642745147392

Names of 642745147392

• Cardinal: 642745147392 can be written as Six hundred forty-two billion, seven hundred forty-five million, one hundred forty-seven thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 6.42745147392 × 10¹¹

Factors of 642745147392

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 96

Divisors of 642745147392

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 31 32 36 38 41 48 57 62 64 72 76 82 93 96 114 123 124 128 144 152 164 171 186 192 228 246 248 256 279 288 304 328 342 361 369 372 384 456 492 496 512 558 576 589 608 656 684 722 738 744 768 779 912 984 992 1024 1083 1116 1152 1178 1216 1271 1312 1368 1444 1476 1488 1536 1558 1767 1824 1968 1984 2048 2166 2232 2304 2337 2356 2432 2542 2624 2736 2888 2952 2976 3072 3116 3249 3534 3648 3813 3936 3968 4096 4332 4464 4608 4674 4712 4864 5084 5248 5301 5472 5776 5904 5952 6144 6232 6498 6859 7011 7068 7296 7626 7872 7936 8192 8664 8928 9216 9348 9424 9728 10168 10496 10602 10944 11191 11439 11552 11808 11904 12288 12464 12996 13718 14022 14136 14592 14801 15252 15744 15872 17328 17856 18432 18696 18848 19456 20336 20577 20992 21204 21888 22382 22878 23104 23616 23808 24149 24576 24928 25992 27436 28044 28272 29184 29602 30504 31488 31744 33573 34656 35712 36864 37392 37696 38912 40672 41154 41984 42408 43776 44403 44764 45756 46208 47232 47616 48298 49856 51984 54872 56088 56544 58368 59204 61008 61731 62976 63488 67146 69312 71424 72447 73728 74784 75392 77824 81344 82308 83968 84816 87552 88806 89528 91512 92416 94464 95232 96596 99712 100719 103968 109744 112176 113088 116736 118408 122016 123462 125952 126976 133209 134292 138624 142848 144894 149568 150784 155648 162688 164616 167936 169632 175104 177612 179056 183024 184832 188928 190464 193192 199424 201438 207936 212629 217341 219488 224352 226176 233472 236816 244032 246924 251904 253952 266418 268584 277248 281219 285696 289788 299136 301568 325376 329232 335872 339264 350208 355224 358112 366048 369664 377856 380928 386384 398848 402876 415872 425258 434682 438976 448704 452352 458831 466944 473632 488064 493848 503808 532836 537168 554496 562438 571392 579576 598272 603136 637887 650752 658464 678528 700416 710448 716224 732096 739328 755712 761856 772768 797696 805752 831744 843657 850516 869364 877952 897408 904704 917662 947264 976128 987696 1007616 1065672 1074336 1108992 1124876 1142784 1159152 1196544 1206272 1275774 1301504 1316928 1357056 1376493 1400832 1420896 1432448 1464192 1478656 1511424 1545536 1595392 1611504 1663488 1687314 1701032 1738728 1755904 1794816 1809408 1835324 1894528 1913661 1952256 1975392 2131344 2148672 2217984 2249752 2285568 2318304 2393088 2412544 2530971 2551548 2603008 2633856 2714112 2752986 2841792 2864896 2928384 2957312 3022848 3091072 3190784 3223008 3326976 3374628 3402064 3477456 3511808 3589632 3618816 3670648 3789056 3827322 3904512 3950784 4129479 4262688 4297344 4435968 4499504 4636608 4786176 4825088 5061942 5103096 5206016 5267712 5428224 5505972 5683584 5729792 5856768 6182144 6381568 6446016 6653952 6749256 6804128 6954912 7023616 7179264 7237632 7341296 7578112 7654644 7809024 7901568 8258958 8525376 8594688 8717789 8871936 8999008 9273216 9572352 10123884 10206192 10412032 10535424 10856448 11011944 11367168 11459584 11713536 12364288 12892032 13307904 13498512 13608256 13909824 14047232 14358528 14475264 14682592 15156224 15309288 15618048 15803136 16517916 17050752 17189376 17435578 17998016 18546432 19144704 20247768 20412384 21070848 21712896 22023888 22734336 22919168 23427072 24728576 25784064 26153367 26615808 26997024 27216512 27819648 28094464 28717056 29365184 30312448 30618576 31236096 31606272 33035832 34101504 34378752 34871156 35996032 37092864 40495536 40824768 42141696 43425792 44047776 45468672 45838336 46854144 49457152 51568128 52306734 53994048 54433024 55639296 56188928 57434112 58730368 60624896 61237152 63212544 66071664 68203008 68757504 69742312 71992064 74185728 78460101 80991072 81649536 84283392 88095552 90937344 91676672 93708288 98914304 103136256 104613468 107988096 108866048 111278592 117460736 121249792 122474304 126425088 132143328 136406016 137515008 139484624 143984128 148371456 156920202 161982144 163299072 168566784 176191104 181874688 197828608 206272512 209226936 215976192 217732096 222557184 234921472 244948608 252850176 264286656 272812032 275030016 278969248 287968256 296742912 313840404 323964288 326598144 352382208 363749376 412545024 418453872 431952384 435464192 445114368 469842944 489897216 505700352 528573312 545624064 557938496 575936512 593485824 627680808 647928576 653196288 704764416 825090048 836907744 863904768 870928384 890228736 939685888 979794432 1057146624 1091248128 1115876992 1151873024 1255361616 1295857152 1306392576 1409528832 1673815488 1727809536 1741856768 1780457472 1879371776 1959588864 2114293248 2231753984 2303746048 2510723232 2591714304 2612785152 2819057664 3347630976 3455619072 3758743552 3919177728 4228586496 4463507968 5021446464 5183428608 5225570304 5638115328 6695261952 6911238144 7838355456 8457172992 8927015936 10042892928 10366857216 11276230656 13390523904 15676710912 16914345984 17854031872 20085785856 20733714432 26781047808 33828691968 35708063744 40171571712 53562095616 71416127488 80343143424 107124191232 160686286848 214248382464 321372573696 642745147392
• Sum of all divisors σ(n): 2072404938240
• Sum of proper divisors (its aliquot sum) s(n): 1429659790848
• 642745147392 is an abundant number, because the sum of its proper divisors (1429659790848) is greater than itself. Its abundance is 786914643456

Bases of 642745147392

• Binary: 1001010110100110100110001010000000000000₂
• Hexadecimal: 0x95A698A000
• Base-36: 879TV5S0

Squares and roots of 642745147392

• 642745147392 squared (642745147392²) is 413121324495963804401664
• 642745147392 cubed (642745147392³) is 265531726603936515569244586050060288
• The square root of 642745147392 is 801713.8812519091
• The cube root of 642745147392 is 8630.0425203215

Scales and comparisons

• 642,745,147,392 seconds is equal to 20,437 years, 15 weeks, 6 days, 22 hours, 43 minutes, 12 seconds.
• To count from 1 to 642,745,147,392 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 642745147392 cubic inches would be around 719.2 feet tall.

Recreational maths with 642745147392

• 642745147392 backwards is 293741547246
• The number of decimal digits it has is: 12
• The sum of 642745147392's digits is 54
• More coming soon!