9991691980762401

Names of 9991691980762401

• Cardinal: 9991691980762401 can be written as Nine quadrillion, nine hundred ninety-one trillion, six hundred ninety-one billion, nine hundred eighty million, seven hundred sixty-two thousand, four hundred one.

Scientific notation

• Scientific notation: 9.991691980762401 × 10¹⁵

Factors of 9991691980762401

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 256

Divisors of 9991691980762401

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 9 13 21 27 39 49 63 81 91 117 147 189 233 243 273 343 351 441 567 637 699 729 819 1029 1053 1323 1631 1701 1911 2097 2187 2457 3029 3087 3159 3969 4459 4893 5103 5733 6291 6561 7371 9087 9261 9477 11417 11907 13377 14679 15309 17199 18873 19683 21203 22113 27261 27783 28431 34251 35721 40131 44037 45927 51597 54289 56619 59049 63609 66339 79919 81783 83349 85293 102753 107163 120393 132111 137781 148421 154791 162867 169857 177147 190827 199017 239757 245349 250047 255879 308259 321489 361179 380023 396333 413343 445263 464373 488601 509571 572481 597051 705757 719271 736047 750141 767637 924777 964467 1038947 1083537 1140069 1188999 1240029 1335789 1393119 1465803 1528713 1717443 1791153 2117271 2157813 2208141 2250423 2302911 2660161 2774331 2893401 3116841 3250611 3420207 3566997 4007367 4179357 4397409 4586139 4940299 5152329 5373459 6351813 6473439 6624423 6751269 7980483 8322993 8680203 9350523 9751833 10260621 10700991 12022101 12538071 12649337 13192227 13758417 14820897 15456987 16120377 18621127 19055439 19420317 19873269 20253807 23941449 24968979 28051569 29255499 30781863 32102973 34582093 36066303 37614213 37948011 39576681 41275251 44462691 46370961 55863381 57166317 58260951 59619807 60761421 71824347 74906937 84154707 87766497 88545359 92345589 96308919 103746279 108198909 112842639 113844033 118730043 133388073 139112883 164441381 167590143 171498951 174782853 178859421 215473041 224720811 242074651 252464121 263299491 265636077 277036767 288926757 311238837 324596727 341532099 356190129 400164219 417338649 493324143 502770429 514496853 524348559 536578263 619817513 646419123 674162433 726223953 757392363 789898473 796908231 831110301 933716511 973790181 1024596297 1068570387 1151089667 1200492657 1252015947 1479972429 1508311287 1543490559 1573045677 1859452539 1939257369 2022487299 2178671859 2272177089 2390724693 2493330903 2801149533 2921370543 3073788891 3205711161 3453269001 3601477971 3756047841 4338722591 4439917287 4524933861 4630471677 4719137031 5578357617 5817772107 6536015577 6816531267 7172174079 7479992709 8057627669 8403448599 8764111629 9221366673 9617133483 10359807003 10804433913 13016167773 13319751861 13574801583 13891415031 14157411093 16735072851 17453316321 19608046731 20449593801 21516522237 22439978127 24172883007 25210345797 26292334887 27664100019 31079421009 32413301739 39048503319 39959255583 40724404749 41674245093 50205218553 52359948963 56403393683 58824140193 61348781403 64549566711 67319934381 72518649021 75631037391 82992300057 93238263027 97239905217 117145509957 119877766749 122173214247 125022735279 150615655659 157079846889 169210181049 176472420579 184046344209 193648700133 217555947063 226893112173 248976900171 279714789081 291719715651 351436529871 359633300247 366519642741 451846966977 471239540667 507630543147 529417261737 580946100399 652667841189 680679336519 746930700513 839144367243 875159146953 1054309589613 1078899900741 1099558928223 1355540900931 1522891629441 1588251785211 1742838301197 1958003523567 2042038009557 2240792101539 2517433101729 3162928768839 3236699702223 3298676784669 4066622702793 4568674888323 4764755355633 5228514903591 5874010570701 6126114028671 7552299305187 9488786306517 9710099106669 12199868108379 13706024664969 14294266066899 15685544710773 17622031712103 22656897915561 28466358919551 29130297320007 36599604325137 41118073994907 42882798200697 52866095136309 67970693746683 85399076758653 109798812975411 123354221984721 158598285408927 203912081240049 256197230275959 370062665954163 475794856226781 768591690827877 1110187997862489 1427384568680343 3330563993587467 9991691980762401
• Sum of all divisors σ(n): 18903750203520000
• Sum of proper divisors (its aliquot sum) s(n): 8912058222757599
• 9991691980762401 is a deficient number, because the sum of its proper divisors (8912058222757599) is less than itself. Its deficiency is 1079633758004802

Bases of 9991691980762401

• Binary: 100011011111110110010000010011001101111110110100100001₂
• Hexadecimal: 0x237F641337ED21
• Base-36: 2QDRBXFI529

Squares and roots of 9991691980762401

• 9991691980762401 squared (9991691980762401²) is 99833908638431672315069215284801
• 9991691980762401 cubed (9991691980762401³) is 997509664350783931828314056910720652398327567201
• The square root of 9991691980762401 is 99958451.2723281493
• The cube root of 9991691980762401 is 215383.7888565057

Scales and comparisons

• 9,991,691,980,762,401 seconds is equal to 317,704,898 years, 34 weeks, 16 hours, 13 minutes, 21 seconds.
• To count from 1 to 9,991,691,980,762,401 would take you about nine hundred fifty-three million, one hundred fourteen thousand, six hundred ninety-five 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 9991691980762401 cubic inches would be around 17948.6 feet tall.

Recreational maths with 9991691980762401

• 9991691980762401 backwards is 1042670891961999
• 9991691980762401 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 9991691980762401's digits is 81
• More coming soon!