81980459525120

Names of 81980459525120

• Cardinal: 81980459525120 can be written as Eighty-one trillion, nine hundred eighty billion, four hundred fifty-nine million, five hundred twenty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 8.198045952512 × 10¹³

Factors of 81980459525120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 642

Divisors of 81980459525120

• Number of divisors d(n): 704
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 23 26 32 40 46 52 64 65 80 92 104 115 128 130 160 169 184 208 230 256 260 299 320 338 368 416 460 512 520 529 598 599 640 676 736 832 845 920 1024 1040 1058 1196 1198 1280 1352 1472 1495 1664 1690 1840 2080 2116 2197 2392 2396 2560 2645 2704 2944 2990 2995 3328 3380 3680 3887 4160 4232 4394 4784 4792 5120 5290 5408 5888 5980 5990 6656 6760 6877 7360 7774 7787 8320 8464 8788 9568 9584 10580 10816 10985 11776 11960 11980 12167 13312 13520 13754 13777 14720 15548 15574 16640 16928 17576 19136 19168 19435 21160 21632 21970 23552 23920 23960 24334 27040 27508 27554 29440 31096 31148 33280 33856 34385 35152 38272 38336 38870 38935 42320 43264 43940 47840 47920 48668 50531 54080 55016 55108 58880 60835 62192 62296 66560 67712 68770 68885 70304 76544 76672 77740 77870 84640 86528 87880 89401 95680 95840 97336 101062 101231 108160 110032 110216 117760 121670 124384 124592 135424 137540 137770 140608 153088 153344 155480 155740 158171 169280 173056 175760 178802 179101 191360 191680 194672 202124 202462 216320 220064 220432 243340 248768 249184 252655 270848 275080 275540 281216 306176 306688 310960 311480 316342 316871 338560 351520 357604 358202 382720 383360 389344 404248 404924 432640 440128 440864 447005 486680 497536 498368 505310 506155 541696 550160 551080 562432 613376 621920 622960 632684 633742 677120 703040 715208 716404 765440 766720 778688 790855 808496 809848 865280 880256 881728 894010 895505 973360 995072 996736 1010620 1012310 1100320 1102160 1124864 1162213 1243840 1245920 1265368 1267484 1316003 1354240 1406080 1430416 1432808 1530880 1533440 1557376 1581710 1584355 1616992 1619696 1760512 1763456 1788020 1791010 1946720 1990144 1993472 2021240 2024620 2056223 2200640 2204320 2249728 2324426 2328313 2487680 2491840 2530736 2534968 2632006 2708480 2812160 2860832 2865616 3066880 3114752 3163420 3168710 3233984 3239392 3521024 3526912 3576040 3582020 3893440 3980288 3986944 4042480 4049240 4112446 4119323 4401280 4408640 4648852 4656626 4975360 4983680 5061472 5069936 5264012 5624320 5721664 5731232 5811065 6229504 6326840 6337420 6467968 6478784 6580015 7042048 7053824 7152080 7164040 7288033 7786880 7973888 8084960 8098480 8224892 8238646 8802560 8817280 9297704 9313252 9950720 9967360 10122944 10139872 10281115 10528024 11248640 11443328 11462464 11622130 11641565 12459008 12653680 12674840 12935936 12957568 13160030 14107648 14304160 14328080 14576066 15573760 16169920 16196960 16449784 16477292 17605120 17634560 18595408 18626504 19901440 19934720 20245888 20279744 20562230 20596615 21056048 22886656 22924928 23244260 23283130 25307360 25349680 25871872 25915136 26320060 26730899 28608320 28656160 29152132 30268069 31147520 32339840 32393920 32899568 32954584 35210240 35269120 36440165 37190816 37253008 39869440 40491776 40559488 41124460 41193230 42112096 45773312 45849856 46488520 46566260 50614720 50699360 51743744 51830272 52640120 53461798 53551199 57216640 57312320 58304264 60536138 62295040 64679680 64787840 65799136 65909168 70538240 72880330 74381632 74506016 80983552 81118976 82248920 82386460 84224192 91546624 91699712 92977040 93132520 94744429 101229440 101398720 103660544 105280240 106923596 107102398 114433280 114624640 116608528 121072276 129359360 129575680 131598272 131818336 133654495 145760660 148763264 149012032 151340345 161967104 162237952 164497840 164772920 168448384 183399424 185954080 186265040 189488858 202458880 202797440 210560480 213847192 214204796 228866560 229249280 233217056 242144552 258718720 259151360 263196544 263636672 267308990 267755995 291521320 297526528 298024064 302680690 324475904 328995680 329545840 336896768 371908160 372530080 378977716 404917760 405594880 421120960 427694384 428409592 457733120 458498560 466434112 473722145 484289104 518302720 526393088 527273344 534617980 535511990 583042640 595053056 596048128 605361380 657991360 659091680 673793536 696165587 743816320 745060160 757955432 809835520 811189760 842241920 855388768 856819184 916997120 932868224 947444290 968578208 1052786176 1054546688 1069235960 1071023980 1166085280 1190106112 1192096256 1210722760 1231677577 1315982720 1318183360 1347587072 1392331174 1487632640 1490120320 1515910864 1622379520 1684483840 1710777536 1713638368 1865736448 1894888580 1937156416 2105572352 2109093376 2138471920 2142047960 2332170560 2384192512 2421445520 2463355154 2631965440 2636366720 2784662348 2975265280 2980240640 3031821728 3368967680 3421555072 3427276736 3480827935 3731472896 3789777160 3874312832 4218186752 4276943840 4284095920 4664341120 4842891040 4926710308 5263930880 5272733440 5569324696 5950530560 5960481280 6063643456 6158387885 6737935360 6843110144 6854553472 6961655870 7462945792 7579554320 7748625664 8553887680 8568191840 9328682240 9685782080 9853420616 10527861760 10545466880 11138649392 11920962560 12127286912 12316775770 13686220288 13709106944 13923311740 15159108640 15497251328 16011808501 17107775360 17136383680 18657364480 19371564160 19706841232 21090933760 22277298784 24254573824 24633551540 27372440576 27418213888 27846623480 30318217280 30994502656 32023617002 34215550720 34272767360 37314728960 38743128320 39413682464 44554597568 48509147648 49267103080 54836427776 55693246960 60636434560 64047234004 68431101440 68545534720 77486256640 78827364928 80059042505 89109195136 97018295296 98534206160 111386493920 121272869120 128094468008 136862202880 137091069440 154972513280 157654729856 160118085010 178218390272 197068412320 222772987840 242545738240 256188936016 274182138880 315309459712 320236170020 356436780544 394136824640 445545975680 485091476480 512377872032 630618919424 640472340040 712873561088 788273649280 891091951360 1024755744064 1261237838848 1280944680080 1576547298560 1782183902720 2049511488128 2561889360160 3153094597120 3564367805440 4099022976256 5123778720320 6306189194240 8198045952512 10247557440640 16396091905024 20495114881280 40990229762560 81980459525120
• Sum of all divisors σ(n): 223092213120000
• Sum of proper divisors (its aliquot sum) s(n): 141111753594880
• 81980459525120 is an abundant number, because the sum of its proper divisors (141111753594880) is greater than itself. Its abundance is 59131294069760

Bases of 81980459525120

• Binary: 10010101000111110010000001010110010010000000000₂
• Hexadecimal: 0x4A8F902B2400
• Base-36: T25AWXFCW

Squares and roots of 81980459525120

• 81980459525120 squared (81980459525120²) is 6720795743949838535911014400
• 81980459525120 cubed (81980459525120³) is 550973923463478497212812155645201481728000
• The square root of 81980459525120 is 9054306.1316215723
• The cube root of 81980459525120 is 43441.3636391679

Scales and comparisons

• 81,980,459,525,120 seconds is equal to 2,606,725 years, 1 week, 4 days, 4 hours, 5 minutes, 20 seconds.
• To count from 1 to 81,980,459,525,120 would take you about six million, five hundred sixteen thousand, eight hundred twelve 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 81980459525120 cubic inches would be around 3620.1 feet tall.

Recreational maths with 81980459525120

• 81980459525120 backwards is 02152595408918
• The number of decimal digits it has is: 14
• The sum of 81980459525120's digits is 59
• More coming soon!