81443395020800

Names of 81443395020800

• Cardinal: 81443395020800 can be written as Eighty-one trillion, four hundred forty-three billion, three hundred ninety-five million, twenty thousand, eight hundred.

Scientific notation

• Scientific notation: 8.14433950208 × 10¹³

Factors of 81443395020800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 61783

Divisors of 81443395020800

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 32 34 37 40 41 50 64 68 74 80 82 85 100 128 136 148 160 164 170 185 200 205 256 272 296 320 328 340 370 400 410 425 512 544 592 629 640 656 680 697 740 800 820 850 925 1024 1025 1088 1184 1258 1280 1312 1360 1394 1480 1517 1600 1640 1700 1850 2048 2050 2176 2368 2516 2560 2624 2720 2788 2960 3034 3145 3200 3280 3400 3485 3700 4100 4352 4736 5032 5120 5248 5440 5576 5920 6068 6290 6400 6560 6800 6970 7400 7585 8200 8704 9472 10064 10240 10496 10880 11152 11840 12136 12580 12800 13120 13600 13940 14800 15170 15725 16400 17408 17425 18944 20128 20992 21760 22304 23680 24272 25160 25600 25789 26240 27200 27880 29600 30340 31450 32800 34816 34850 37888 37925 40256 41984 43520 44608 47360 48544 50320 51200 51578 52480 54400 55760 59200 60680 61681 62900 65600 69700 75776 75850 80512 83968 87040 89216 94720 97088 100640 103156 104960 108800 111520 118400 121360 123362 125800 128945 131200 139400 151700 161024 174080 178432 189440 194176 201280 206312 209920 217600 223040 236800 242720 246724 251600 257890 262400 278800 303400 308405 322048 356864 378880 388352 402560 412624 419840 435200 446080 473600 485440 493448 503200 515780 524800 557600 606800 616810 644096 644725 713728 776704 805120 825248 870400 892160 947200 970880 986896 1006400 1031560 1048577 1049600 1115200 1213600 1233620 1288192 1289450 1427456 1542025 1553408 1610240 1650496 1784320 1894400 1941760 1973792 2012800 2063120 2097154 2099200 2230400 2282197 2427200 2467240 2528921 2578900 3084050 3106816 3220480 3300992 3568640 3883520 3947584 4025600 4126240 4194308 4460800 4564394 4854400 4934480 5057842 5157800 5242885 6168100 6440960 6601984 7137280 7767040 7895168 8051200 8252480 8388616 8921600 9128788 9708800 9868960 10115684 10315600 10485770 11410985 12336200 12644605 13203968 15534080 15790336 16102400 16504960 16777232 17843200 18257576 19417600 19737920 20231368 20631200 20971540 22821970 24672400 25289210 26214425 26407936 31580672 32204800 33009920 33554464 35686400 36515152 38797349 38835200 39475840 40462736 41262400 41943080 42991657 45643940 49344800 50578420 52428850 52815872 57054925 63161344 63223025 66019840 67108928 73030304 77594698 77670400 78951680 80925472 82524800 83886160 85983314 91287880 93570077 98689600 101156840 104857700 114109850 126322688 126446050 132039680 134217856 146060608 155189396 157903360 161850944 165049600 167772320 171966628 182575760 187140154 193986745 197379200 202313680 209715400 214958285 228219700 252892100 264079360 268435712 292121216 310378792 315806720 323701888 330099200 335544640 343933256 365151520 374280308 387973490 394758400 404627360 419430800 429916570 456439400 467850385 505784200 536871424 584242432 620757584 631613440 647403776 660198400 671089280 687866512 730303040 748560616 775946980 789516800 809254720 838861600 859833140 912878800 935700770 969933725 1011568400 1073742848 1074791425 1168484864 1241515168 1294807552 1320396800 1342178560 1375733024 1460606080 1497121232 1551893960 1579033600 1590691309 1618509440 1677723200 1719666280 1825757600 1871401540 1939867450 2023136800 2147485696 2149582850 2336969728 2339251925 2483030336 2589615104 2684357120 2751466048 2921212160 2994242464 3103787920 3158067200 3181382618 3237018880 3355446400 3439332560 3651515200 3742803080 3879734900 4046273600 4299165700 4673939456 4678503850 4966060672 5179230208 5368714240 5502932096 5842424320 5988484928 6207575840 6362765236 6474037760 6710892800 6878665120 7303030400 7485606160 7759469800 7953456545 8092547200 8598331400 9357007700 9932121344 10737428480 11005864192 11684848640 11976969856 12415151680 12725530472 12948075520 13421785600 13757330240 14606060800 14971212320 15518939600 15906913090 16185094400 17196662800 18714015400 19864242688 22011728384 23369697280 23953939712 24830303360 25451060944 25896151040 26843571200 27514660480 29212121600 29942424640 31037879200 31813826180 32370188800 34393325600 37428030800 39728485376 39767282725 44023456768 47907879424 49660606720 50902121888 53687142400 55029320960 58424243200 59884849280 62075758400 63627652360 64740377600 68786651200 74856061600 79456970752 79534565450 88046913536 95815758848 99321213440 101804243776 110058641920 116848486400 119769698560 124151516800 127255304720 129480755200 137573302400 149712123200 159069130900 191631517696 198642426880 203608487552 220117283840 239539397120 248303033600 254510609440 275146604800 299424246400 318138261800 397284853760 407216975104 440234567680 479078794240 496606067200 509021218880 550293209600 598848492800 636276523600 814433950208 958157588480 993212134400 1018042437760 1100586419200 1197696985600 1272553047200 1628867900416 1986424268800 2036084875520 2201172838400 2395393971200 2545106094400 3257735800832 4072169751040 4790787942400 5090212188800 8144339502080 10180424377600 16288679004160 20360848755200 40721697510400 81443395020800
• Sum of all divisors σ(n): 224946602964720
• Sum of proper divisors (its aliquot sum) s(n): 143503207943920
• 81443395020800 is an abundant number, because the sum of its proper divisors (143503207943920) is greater than itself. Its abundance is 62059812923120

Bases of 81443395020800

• Binary: 10010100001001010000100101000010010100000000000₂
• Hexadecimal: 0x4A1284A12800
• Base-36: SVAKUL7NK

Squares and roots of 81443395020800

• 81443395020800 squared (81443395020800²) is 6633026592514070232432640000
• 81443395020800 cubed (81443395020800³) is 540216204957594418122045971247398912000000
• The square root of 81443395020800 is 9024599.4382465531
• The cube root of 81443395020800 is 43346.2924131579

Scales and comparisons

• 81,443,395,020,800 seconds is equal to 2,589,648 years, 2 weeks, 19 hours, 33 minutes, 20 seconds.
• To count from 1 to 81,443,395,020,800 would take you about six million, four hundred seventy-four thousand, one hundred twenty 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 81443395020800 cubic inches would be around 3612.2 feet tall.

Recreational maths with 81443395020800

• 81443395020800 backwards is 00802059334418
• The number of decimal digits it has is: 14
• The sum of 81443395020800's digits is 47
• More coming soon!