1918328502025845

Names of 1918328502025845

• Cardinal: 1918328502025845 can be written as One quadrillion, nine hundred eighteen trillion, three hundred twenty-eight billion, five hundred two million, twenty-five thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 1.918328502025845 × 10¹⁵

Factors of 1918328502025845

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 395

Divisors of 1918328502025845

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 7 9 13 15 21 27 35 39 45 63 65 81 91 105 117 135 169 189 195 243 273 315 351 367 405 455 507 567 585 729 819 845 945 1053 1101 1183 1215 1365 1521 1701 1755 1835 2187 2457 2535 2569 2835 3159 3303 3549 3645 4095 4563 4771 5103 5265 5505 5915 6561 7371 7605 7707 8505 9477 9909 10647 10935 12285 12845 13689 14313 15309 15795 16515 17745 22113 22815 23121 23855 25515 28431 29727 31941 32805 33397 36855 38535 41067 42939 45927 47385 49545 53235 62023 66339 68445 69363 71565 76545 85293 89181 95823 100191 110565 115605 123201 128817 134689 142155 148635 159705 166985 186069 199017 205335 208089 214695 229635 267543 287469 300573 310115 331695 346815 369603 386451 404067 426465 434161 445905 479115 500955 558207 597051 616005 624267 644085 673445 802629 862407 901719 930345 942823 995085 1040445 1108809 1159353 1212201 1302483 1337715 1437345 1502865 1674621 1750957 1848015 1872801 1932255 2020335 2170805 2407887 2587221 2705157 2791035 2828469 2985255 3121335 3478059 3636603 3907449 4013145 4312035 4508595 4714115 5023863 5252871 5544045 5618403 5796765 6061005 6512415 7761663 8115471 8373105 8485407 8754785 9364005 10434177 10909809 11722347 12039435 12256699 12936105 13525785 14142345 15071589 15758613 16855209 17390295 18183015 19537245 22762441 24346413 25119315 25456221 26264355 28092015 31302531 32729427 35167041 36770097 38808315 40577355 42427035 45214767 47275839 49430863 52170885 54549045 58611735 61283495 68287323 73039239 75357945 76368663 78793065 84276045 98188281 105501123 110310291 113812205 121732065 127281105 135644301 141827517 148292589 156512655 159337087 163647135 175835205 183850485 204861969 219117717 226073835 229105989 236379195 247154315 294564843 316503369 330930873 341436615 346016041 365196195 381843315 406932903 425482551 444877767 478011261 490941405 527505615 551551455 614585907 642601219 678221505 687317967 709137585 741462945 796685435 883694529 949510107 992792619 1024309845 1038048123 1095588585 1145529945 1276447653 1334633301 1434033783 1472824215 1582516845 1654654365 1730080205 1843757721 1927803657 2034664515 2061953901 2127412755 2224388835 2390056305 2848530321 2978377857 3072929535 3114144369 3213006095 3436589835 3829342959 4003899903 4302101349 4418472645 4498208533 4747550535 4963963095 5190240615 5531273163 5783410971 6185861703 6382238265 6673166505 7170168915 8353815847 8935133571 9218788605 9342433107 9639018285 10309769505 11488028877 12011699709 12906304047 13494625599 14242651605 14891889285 15570721845 16593819489 17350232913 19146714795 20019499515 21510506745 22491042665 25061447541 26805400713 27656365815 28027299321 28917054855 30929308515 36035099127 38718912141 40483876797 41769079235 44675667855 46712165535 49781458467 52050698739 57440144385 58476710929 60058498545 64531520235 67473127995 75184342623 80416202139 82969097445 84081897963 86751164565 108105297381 116156736423 121451630391 125307237705 134027003565 140136496605 149344375401 156152096217 175430132787 180175495635 193594560705 202419383985 225553027869 248907292335 252245693889 260253493695 292383554645 324315892143 348470209269 364354891173 375921713115 402081010695 420409489815 468456288651 526290398361 540526486905 580783682115 607258151955 676659083607 746721877005 756737081667 780760481085 877150663935 1045410627807 1093064673519 1127765139345 1261228469445 1405368865953 1578871195083 1621579460715 1742351046345 1821774455865 2029977250821 2270211245001 2342281443255 2631451991805 3279194020557 3383295418035 3783685408335 4216106597859 4736613585249 5227053139035 5465323367595 6089931752463 7026844329765 7894355975415 9837582061671 10149886254105 11351056225005 14209840755747 16395970102785 18269795257389 21080532989295 23683067926245 29512746185013 30449658762315 42629522267241 49187910308355 54809385772167 71049203778735 91348976286945 127888566801723 147563730925065 213147611336205 274046928860835 383665700405169 639442834008615 1918328502025845
• Sum of all divisors σ(n): 4284643873236480
• Sum of proper divisors (its aliquot sum) s(n): 2366315371210635
• 1918328502025845 is an abundant number, because the sum of its proper divisors (2366315371210635) is greater than itself. Its abundance is 447986869184790

Bases of 1918328502025845

• Binary: 110110100001011010110101000111011001111111001110101₂
• Hexadecimal: 0x6D0B5A8ECFE75
• Base-36: IVZNY4BYB9

Squares and roots of 1918328502025845

• 1918328502025845 squared (1918328502025845²) is 3679984241684722404269047964025
• 1918328502025845 cubed (1918328502025845³) is 7059418657829768678793622836332561685180226125
• The square root of 1918328502025845 is 43798727.1735817111
• The cube root of 1918328502025845 is 124253.2221774539

Scales and comparisons

• 1,918,328,502,025,845 seconds is equal to 60,996,912 years, 30 weeks, 2 days, 20 hours, 30 minutes, 45 seconds.
• To count from 1 to 1,918,328,502,025,845 would take you about one hundred eighty-two million, nine hundred ninety thousand, seven hundred thirty-seven 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 1918328502025845 cubic inches would be around 10354.4 feet tall.

Recreational maths with 1918328502025845

• 1918328502025845 backwards is 5485202058238191
• 1918328502025845 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1918328502025845's digits is 63
• More coming soon!