81137745701376

Names of 81137745701376

• Cardinal: 81137745701376 can be written as Eighty-one trillion, one hundred thirty-seven billion, seven hundred forty-five million, seven hundred one thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 8.1137745701376 × 10¹³

Factors of 81137745701376

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 31296

Divisors of 81137745701376

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 73 78 84 91 96 104 112 128 146 156 168 182 192 208 219 224 256 257 273 292 312 336 364 384 416 438 448 511 512 514 546 584 624 672 728 768 771 832 876 896 949 1022 1028 1092 1168 1248 1344 1456 1533 1536 1542 1664 1752 1792 1799 1898 2044 2056 2184 2336 2496 2688 2847 2912 3066 3084 3328 3341 3504 3584 3598 3796 4088 4112 4368 4672 4992 5376 5397 5694 5824 6132 6168 6643 6656 6682 7008 7196 7592 8176 8224 8736 9344 9984 10023 10752 10794 11388 11648 12264 12336 13286 13364 14016 14392 15184 16352 16448 17472 18688 18761 19929 19968 20046 21588 22776 23296 23387 24528 24672 26572 26728 28032 28784 30368 30941 32704 32896 34944 37376 37522 39858 40092 43176 45552 46592 46774 49056 49344 53144 53456 56064 56283 57568 60736 61882 65408 65792 69888 70161 75044 79716 80184 86352 91104 92823 93548 98112 98688 106288 106912 112128 112566 115136 121472 123764 130816 131327 131584 139776 140322 150088 159432 160368 172704 182208 185646 187096 196224 197376 212576 213824 216587 225132 230272 242944 243893 247528 261632 262654 280644 300176 318864 320736 345408 364416 371292 374192 392448 393981 394752 402233 425152 427648 433174 450264 460544 485888 487786 495056 525308 561288 600352 637728 641472 649761 690816 728832 731679 742584 748384 784896 787962 804466 850304 855296 866348 900528 921088 975572 990112 1050616 1122576 1200704 1206699 1275456 1282944 1299522 1381632 1457664 1463358 1485168 1496768 1575924 1608932 1700608 1707251 1710592 1732696 1801056 1951144 1980224 2101232 2245152 2258693 2401408 2413398 2550912 2565888 2599044 2763264 2815631 2926716 2970336 2993536 3151848 3217864 3401216 3414502 3465392 3602112 3902288 3960448 4202464 4490304 4517386 4802816 4826796 5101824 5121753 5131776 5198088 5631262 5853432 5940672 5987072 6303696 6435728 6776079 6829004 6930784 7204224 7804576 7920896 7951837 8404928 8446893 8980608 9034772 9605632 9653592 10203648 10243506 10396176 11262524 11706864 11881344 11974144 12607392 12871456 13552158 13658008 13861568 14408448 15609152 15810851 15841792 15903674 16809856 16893786 17961216 18069544 19307184 20487012 20792352 22525048 23413728 23762688 23855511 25214784 25742912 27104316 27316016 27723136 28816896 29363009 31218304 31621702 31807348 33619712 33787572 35922432 36139088 38614368 40974024 41584704 45050096 46827456 47432553 47525376 47711022 50429568 51485824 54208632 54632032 55446272 55662859 58726018 62436608 63243404 63614696 67239424 67575144 72278176 77228736 81948048 83169408 88089027 90100192 93654912 94865106 95422044 100859136 102971648 103373881 108417264 109264064 110892544 111325718 117452036 124873216 126486808 127229392 135150288 144556352 154457472 163896096 166338816 166988577 176178054 180200384 187309824 189730212 190844088 201718272 205541063 205943296 206747762 216834528 218528128 222651436 234904072 252973616 254458784 270300576 289112704 308914944 310121643 327792192 332677632 333977154 352356108 360400768 374619648 379460424 381688176 411082126 413495524 433669056 437056256 445302872 469808144 505947232 508917568 540601152 578225408 580484101 616623189 617829888 620243286 655584384 667954308 704712216 720801536 723617167 758920848 763376352 822164252 826991048 867338112 874112512 890605744 939616288 1011894464 1017835136 1081202304 1156450816 1160968202 1233246378 1240486572 1311168768 1335908616 1409424432 1441603072 1447234334 1517841696 1526752704 1644328504 1653982096 1734676224 1741452303 1781211488 1879232576 2023788928 2035670272 2162404608 2170851501 2321936404 2466492756 2480973144 2622337536 2671817232 2818848864 2894468668 3035683392 3053505408 3288657008 3307964192 3469352448 3482904606 3562422976 3758465152 4047577856 4063388707 4071340544 4324809216 4341703002 4643872808 4932985512 4961946288 5343634464 5637697728 5788937336 6071366784 6107010816 6577314016 6615928384 6965809212 7124845952 7516930304 7546293313 8095155712 8126777414 8683406004 9287745616 9865971024 9923892576 10687268928 11275395456 11577874672 12142733568 12190166121 12214021632 13154628032 13231856768 13931618424 14249691904 15033860608 15092586626 16253554828 17366812008 18575491232 19731942048 19847785152 21374537856 22550790912 22638879939 23155749344 24285467136 24380332242 26309256064 26463713536 27863236848 28499383808 30185173252 32507109656 34733624016 37150982464 39463884096 39695570304 42749075712 45101581824 45277759878 46311498688 48760664484 52618512128 52824053191 52927427072 55726473696 60370346504 65014219312 69467248032 74301964928 78927768192 79391140608 85498151424 90555519756 92622997376 97521328968 105237024256 105648106382 111452947392 120740693008 130028438624 138934496064 148603929856 157855536384 158472159573 158782281216 181111039512 185245994752 195042657936 211296212764 222905894784 241481386016 260056877248 277868992128 297207859712 315711072768 316944319146 362222079024 370491989504 390085315872 422592425528 445811789568 482962772032 520113754496 555737984256 633888638292 724444158048 780170631744 845184851056 891623579136 965925544064 1040227508992 1111475968512 1267777276584 1448888316096 1560341263488 1690369702112 1931851088128 2080455017984 2535554553168 2897776632192 3120682526976 3380739404224 3863702176256 5071109106336 5795553264384 6241365053952 6761478808448 10142218212672 11591106528768 13522957616896 20284436425344 27045915233792 40568872850688 81137745701376
• Sum of all divisors σ(n): 270740642489856
• Sum of proper divisors (its aliquot sum) s(n): 189602896788480
• 81137745701376 is an abundant number, because the sum of its proper divisors (189602896788480) is greater than itself. Its abundance is 108465151087104

Bases of 81137745701376

• Binary: 10010011100101101011010100000101010101000000000₂
• Hexadecimal: 0x49CB5A82AA00
• Base-36: SRE5YVJEO

Squares and roots of 81137745701376

• 81137745701376 squared (81137745701376²) is 6583333777501159566168293376
• 81137745701376 cubed (81137745701376³) is 534156861906168133612726906907930054885376
• The square root of 81137745701376 is 9007649.2883202329
• The cube root of 81137745701376 is 43291.9995995241

Scales and comparisons

• 81,137,745,701,376 seconds is equal to 2,579,929 years, 17 weeks, 3 days, 22 hours, 49 minutes, 36 seconds.
• To count from 1 to 81,137,745,701,376 would take you about six million, four hundred forty-nine thousand, eight hundred twenty-three 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 81137745701376 cubic inches would be around 3607.7 feet tall.

Recreational maths with 81137745701376

• 81137745701376 backwards is 67310754773118
• The number of decimal digits it has is: 14
• The sum of 81137745701376's digits is 60
• More coming soon!