1991409643080704

Names of 1991409643080704

• Cardinal: 1991409643080704 can be written as One quadrillion, nine hundred ninety-one trillion, four hundred nine billion, six hundred forty-three million, eighty thousand, seven hundred four.

Scientific notation

• Scientific notation: 1.991409643080704 × 10¹⁵

Factors of 1991409643080704

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 8601

Divisors of 1991409643080704

• Number of divisors d(n): 330
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 49 56 64 77 88 98 112 128 154 176 196 224 256 308 343 352 392 448 512 539 616 686 704 784 896 1024 1078 1232 1372 1408 1568 1792 2156 2401 2464 2744 2816 3136 3584 3773 4312 4802 4928 5488 5632 6272 7168 7546 8581 8624 9604 9856 10976 11264 12544 15092 17162 17248 19208 19712 21952 25088 26411 30184 34324 34496 38416 39424 43904 50176 52822 60067 60368 68648 68992 76832 78848 87808 94391 105644 120134 120736 137296 137984 153664 175616 188782 211288 240268 241472 274592 275968 307328 351232 377564 420469 422576 480536 482944 549184 551936 614656 660737 755128 840938 845152 961072 965888 1098368 1229312 1321474 1510256 1681876 1690304 1922144 1931776 2196736 2458624 2642948 2943283 3020512 3363752 3380608 3844288 3863552 4393472 4625159 5285896 5886566 6041024 6727504 6761216 7688576 8786944 9250318 10571792 11773132 12082048 13455008 13522432 15377152 18500636 20602981 21143584 23546264 24164096 26910016 27044864 30754304 32376113 37001272 41205962 42287168 47092528 48328192 53820032 61508608 64752226 73633561 74002544 82411924 84574336 94185056 96656384 107640064 129504452 147267122 148005088 164823848 169148672 188370112 215280128 226632791 259008904 294534244 296010176 329647696 338297344 376740224 430560256 453265582 515434927 518017808 589068488 592020352 659295392 676594688 753480448 809969171 906531164 1030869854 1036035616 1178136976 1184040704 1318590784 1506960896 1619938342 1813062328 2061739708 2072071232 2356273952 2368081408 2637181568 3013921792 3239876684 3608044489 3626124656 4123479416 4144142464 4712547904 4736162816 5274363136 5669784197 6479753368 7216088978 7252249312 8246958832 8288284928 9425095808 10548726272 11339568394 12959506736 14432177956 14504498624 16493917664 16576569856 18850191616 21097452544 22679136788 25256311423 25919013472 28864355912 29008997248 32987835328 33153139712 37700383232 39688489379 45358273576 50512622846 51838026944 57728711824 58017994496 65975670656 75400766464 79376978758 90716547152 101025245692 103676053888 115457423648 116035988992 131951341312 158753957516 176794179961 181433094304 202050491384 207352107776 230914847296 232071977984 263902682624 277819425653 317507915032 353588359922 362866188608 404100982768 414704215552 461829694592 527805365248 555638851306 635015830064 707176719844 725732377216 808201965536 829408431104 923659389184 1111277702612 1270031660128 1414353439688 1451464754432 1616403931072 1847318778368 1944735979571 2222555405224 2540063320256 2828706879376 2902929508864 3232807862144 3694637556736 3889471959142 4445110810448 5080126640512 5657413758752 5805859017728 6465615724288 7778943918284 8890221620896 10160253281024 11314827517504 12931231448576 15557887836568 17780443241792 20320506562048 22629655035008 25862462897152 31115775673136 35560886483584 40641013124096 45259310070016 62231551346272 71121772967168 90518620140032 124463102692544 142243545934336 181037240280064 248926205385088 284487091868672 497852410770176 995704821540352 1991409643080704
• Sum of all divisors σ(n): 5066856627426252
• Sum of proper divisors (its aliquot sum) s(n): 3075446984345548
• 1991409643080704 is an abundant number, because the sum of its proper divisors (3075446984345548) is greater than itself. Its abundance is 1084037341264844

Bases of 1991409643080704

• Binary: 111000100110010110100110000011000001100110000000000₂
• Hexadecimal: 0x7132D3060CC00
• Base-36: JLW8YKTERK

Squares and roots of 1991409643080704

• 1991409643080704 squared (1991409643080704²) is 3965712366554816896663857135616
• 1991409643080704 cubed (1991409643080704³) is 7897357848441661906946179572268421071360753664
• The square root of 1991409643080704 is 44625213.0872302281
• The cube root of 1991409643080704 is 125811.4599160049

Scales and comparisons

• 1,991,409,643,080,704 seconds is equal to 63,320,666 years, 42 weeks, 2 days, 20 hours, 11 minutes, 44 seconds.
• To count from 1 to 1,991,409,643,080,704 would take you about one hundred eighty-nine million, nine hundred sixty-two thousand 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 1991409643080704 cubic inches would be around 10484.3 feet tall.

Recreational maths with 1991409643080704

• 1991409643080704 backwards is 4070803469041991
• The number of decimal digits it has is: 16
• The sum of 1991409643080704's digits is 65
• More coming soon!