642749109120

Names of 642749109120

• Cardinal: 642749109120 can be written as Six hundred forty-two billion, seven hundred forty-nine million, one hundred nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 6.4274910912 × 10¹¹

Factors of 642749109120

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1910

Divisors of 642749109120

• Number of divisors d(n): 1024
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 23 24 27 30 32 36 38 40 45 46 47 48 54 57 60 64 69 72 76 80 90 92 94 95 96 108 114 115 120 128 135 138 141 144 152 160 171 180 184 188 190 192 207 216 228 230 235 240 270 276 282 285 288 304 320 342 345 360 368 376 380 384 414 423 432 437 456 460 470 480 513 540 552 564 570 576 608 621 640 684 690 705 720 736 752 760 828 846 855 864 874 893 912 920 940 960 1026 1035 1080 1081 1104 1128 1140 1152 1216 1242 1269 1311 1368 1380 1410 1440 1472 1504 1520 1656 1692 1710 1728 1748 1786 1811 1824 1840 1880 1920 2052 2070 2115 2160 2162 2185 2208 2256 2280 2432 2484 2538 2565 2622 2679 2736 2760 2820 2880 2944 3008 3040 3105 3243 3312 3384 3420 3456 3496 3572 3622 3648 3680 3760 3933 4104 4140 4230 4320 4324 4370 4416 4465 4512 4560 4968 5076 5130 5244 5358 5405 5433 5472 5520 5640 5760 6016 6080 6210 6345 6486 6555 6624 6768 6840 6992 7144 7244 7296 7360 7520 7866 8037 8208 8280 8460 8640 8648 8740 8832 8930 9024 9055 9120 9729 9936 10152 10260 10488 10716 10810 10866 10944 11040 11280 11799 12160 12420 12690 12972 13110 13248 13395 13536 13680 13984 14288 14488 14720 15040 15732 16074 16215 16299 16416 16560 16920 17280 17296 17480 17860 18048 18110 18240 19458 19665 19872 20304 20520 20539 20976 21432 21620 21732 21888 22080 22560 23598 24111 24840 25380 25944 26220 26496 26790 27072 27165 27360 27968 28576 28976 29187 30080 31464 32148 32430 32598 32832 33120 33840 34409 34592 34960 35720 36220 36480 38916 39330 39744 40185 40608 41040 41078 41653 41952 42864 43240 43464 44160 45120 47196 48222 48645 48897 49680 50760 51888 52440 53580 54144 54330 54720 55936 57152 57952 58374 58995 61617 62928 64296 64860 65196 65664 66240 67680 68818 69184 69920 71440 72440 77832 78660 79488 80370 81216 81495 82080 82156 83306 83904 85117 85728 86480 86928 90240 94392 96444 97290 97794 99360 101520 102695 103227 103776 104880 107160 108660 109440 114304 115904 116748 117990 120555 123234 124959 125856 128592 129720 130392 132480 135360 137636 138368 139840 142880 144880 145935 155664 157320 160740 162432 162990 164160 164312 166612 167808 170234 171456 172045 172960 173856 184851 188784 192888 194580 195588 198720 203040 205390 206454 207552 208265 209760 214320 217320 231808 233496 235980 241110 244485 246468 249918 251712 255351 257184 259440 260784 270720 275272 279680 285760 289760 291870 308085 309681 311328 314640 321480 325980 328320 328624 333224 340468 342912 344090 345920 347712 369702 374877 377568 385776 389160 391176 397440 406080 410780 412908 415104 416530 419520 425585 428640 434640 466992 471960 482220 488970 492936 499836 503424 510702 514368 516135 518880 521568 550544 554553 571520 579520 583740 616170 619362 622656 624795 629280 642960 651960 657248 666448 680936 688180 691840 695424 739404 749754 755136 766053 771552 778320 782352 791407 812160 821560 825816 833060 839040 851170 857280 869280 924255 929043 933984 943920 964440 977940 985872 999672 1021404 1028736 1032270 1037760 1043136 1101088 1109106 1124631 1159040 1167480 1232340 1238724 1245312 1249590 1258560 1276755 1285920 1303920 1314496 1332896 1361872 1376360 1478808 1499508 1510272 1532106 1543104 1548405 1556640 1564704 1582814 1617223 1643120 1651632 1666120 1702340 1714560 1738560 1848510 1858086 1867968 1874385 1887840 1928880 1955880 1957691 1971744 1999344 2042808 2064540 2075520 2086272 2202176 2218212 2249262 2298159 2334960 2374221 2464680 2477448 2499180 2517120 2553510 2571840 2607840 2628992 2665792 2723744 2752720 2772765 2957616 2999016 3064212 3086208 3096810 3113280 3129408 3165628 3234446 3286240 3303264 3332240 3404680 3477120 3697020 3716172 3735936 3748770 3775680 3830265 3857760 3911760 3915382 3943488 3957035 3998688 4085616 4129080 4404352 4436424 4498524 4596318 4645215 4669920 4748442 4851669 4929360 4954896 4998360 5107020 5143680 5215680 5331584 5447488 5505440 5545530 5623155 5873073 5915232 5998032 6128424 6193620 6226560 6258816 6331256 6468892 6572480 6606528 6664480 6809360 7122663 7394040 7432344 7497540 7551360 7660530 7715520 7823520 7830764 7886976 7914070 7997376 8086115 8171232 8258160 8872848 8997048 9192636 9290430 9339840 9496884 9703338 9788455 9858720 9909792 9996720 10214040 10431360 10894976 11010880 11091060 11246310 11490795 11746146 11830464 11871105 11996064 12256848 12387240 12662512 12937784 13144960 13213056 13328960 13618720 14245326 14555007 14788080 14864688 14995080 15321060 15431040 15647040 15661528 15828140 15994752 16172230 16342464 16516320 17619219 17745696 17994096 18385272 18580860 18679680 18993768 19406676 19576910 19717440 19819584 19993440 20428080 21367989 22021760 22182120 22492620 22981590 23492292 23660928 23742210 23992128 24258345 24513696 24774480 25325024 25875568 26657920 27237440 28490652 29110014 29365365 29576160 29729376 29990160 30642120 31294080 31323056 31656280 32344460 32684928 33032640 35238438 35491392 35613315 35988192 36770544 37161720 37196129 37987536 38813352 39153820 39434880 39639168 39986880 40856160 42735978 43665021 44364240 44985240 45963180 46984584 47484420 47984256 48516690 49027392 49548960 50650048 51751136 52857657 54474880 56981304 58220028 58730730 59152320 59458752 59980320 61284240 62646112 63312560 64688920 66065280 70476876 70982784 71226630 71976384 72775035 73541088 74323440 74392258 75975072 77626704 78307640 79973760 81712320 85471956 87330042 88096095 88728480 89970480 91926360 93969168 94968840 97033380 98054784 99097920 101300096 103502272 105715314 106839945 111588387 113962608 116440056 117461460 118304640 118917504 119960640 122568480 125292224 126625120 129377840 140953752 142453260 143952768 145550070 147082176 148646880 148784516 151950144 155253408 156615280 163424640 170943912 174660084 176192190 177456960 179940960 183852720 185980645 187938336 189937680 194066760 198195840 207004544 211430628 213679890 218325105 223176774 227925216 232880112 234922920 239921280 245136960 250584448 253250240 258755680 264288285 281907504 284906520 291100140 294164352 297293760 297569032 303900288 310506816 313230560 334765161 341887824 349320168 352384380 354913920 359881920 367705440 371961290 375876672 379875360 388133520 422861256 427359780 436650210 446353548 455850432 465760224 469845840 490273920 506500480 517511360 528576570 557941935 563815008 569813040 582200280 594587520 595138064 621013632 626461120 669530322 683775648 698640336 704768760 719763840 735410880 743922580 751753344 759750720 776267040 845722512 854719560 873300420 892707096 911700864 931520448 939691680 1004295483 1035022720 1057153140 1115883870 1127630016 1139626080 1164400560 1190276128 1252922240 1339060644 1367551296 1397280672 1409537520 1470821760 1487845160 1519501440 1552534080 1673825805 1691445024 1709439120 1746600840 1785414192 1863040896 1879383360 2008590966 2114306280 2231767740 2255260032 2279252160 2328801120 2380552256 2678121288 2735102592 2794561344 2819075040 2975690320 3105068160 3347651610 3382890048 3418878240 3493201680 3570828384 3758766720 4017181932 4228612560 4463535480 4558504320 4657602240 4761104512 5021477415 5356242576 5589122688 5638150080 5951380640 6695303220 6765780096 6837756480 6986403360 7141656768 8034363864 8457225120 8927070960 9315204480 10042954830 10712485152 11276300160 11902761280 13390606440 13675512960 13972806720 14283313536 16068727728 16914450240 17854141920 20085909660 21424970304 23805522560 26781212880 27945613440 32137455456 33828900480 35708283840 40171819320 42849940608 53562425760 64274910912 71416567680 80343638640 107124851520 128549821824 160687277280 214249703040 321374554560 642749109120
• Sum of all divisors σ(n): 2555006976000
• Sum of proper divisors (its aliquot sum) s(n): 1912257866880
• 642749109120 is an abundant number, because the sum of its proper divisors (1912257866880) is greater than itself. Its abundance is 1269508757760

Bases of 642749109120

• Binary: 1001010110100110110101010001001110000000₂
• Hexadecimal: 0x95A6D51380
• Base-36: 879W82O0

Squares and roots of 642749109120

• 642749109120 squared (642749109120²) is 413126417274553667174400
• 642749109120 cubed (642749109120³) is 265536636657156748021974587670528000
• The square root of 642749109120 is 801716.3520348079
• The cube root of 642749109120 is 8630.0602514605

Scales and comparisons

• 642,749,109,120 seconds is equal to 20,437 years, 22 weeks, 3 days, 19 hours, 12 minutes.
• To count from 1 to 642,749,109,120 would take you about forty thousand, eight hundred seventy-four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 642749109120 cubic inches would be around 719.2 feet tall.

Recreational maths with 642749109120

• 642749109120 backwards is 021901947246
• 642749109120 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642749109120's digits is 45
• More coming soon!