3998636864915

Names of 3998636864915

• Cardinal: 3998636864915 can be written as Three trillion, nine hundred ninety-eight billion, six hundred thirty-six million, eight hundred sixty-four thousand, nine hundred fifteen.

Scientific notation

• Scientific notation: 3.998636864915 × 10¹²

Factors of 3998636864915

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1034

Divisors of 3998636864915

• Number of divisors d(n): 256
• Complete list of divisors:
  1 5 7 11 31 35 55 59 61 77 127 155 217 295 305 341 385 413 427 635 649 671 733 889 1085 1397 1705 1829 1891 2065 2135 2387 3245 3355 3599 3665 3937 4445 4543 4697 5131 6985 7493 7747 8063 9145 9455 9779 11935 12803 13237 17995 19685 20119 20801 22715 22723 23485 25193 25655 27559 37465 38735 39589 40315 43247 43307 44713 48895 52451 54229 56441 64015 66185 82423 85217 93091 100595 104005 111569 113615 125965 137795 140833 145607 159061 197945 216235 216535 223565 232283 240157 249953 262255 271145 277123 282205 302729 303149 312991 412115 426085 457073 465455 475717 491843 557845 576961 596519 651637 704165 728035 780983 795305 1024001 1161415 1200785 1227259 1249765 1340657 1385615 1386103 1513645 1515745 1564955 1625981 1681099 1749671 2285365 2378585 2459215 2555113 2638067 2641727 2884805 2885821 2982595 3199511 3258185 3330019 3442901 3904915 5027803 5120005 5492369 5678551 6136295 6703285 6930515 7168007 8129905 8405495 8590813 8748355 9384599 9702721 12775565 13190335 13208635 14169263 14429105 14747227 15247133 15997555 16650095 17214505 17885791 18466469 18492089 20200747 25139015 27461845 28392755 29018737 31744031 35194621 35840035 38446583 39749857 42954065 46922995 48513605 60416059 62464061 70846315 73736135 76235665 81780077 89428955 92332345 92460445 99184841 101003735 103230589 106729931 145093685 155861893 158720155 170263439 175973105 176035081 192232915 198749285 203131159 222208217 302080295 312320305 335034509 408900385 422912413 437248427 495924205 516152945 533649655 572460539 779309465 851317195 880175405 899580847 1015655795 1091033251 1111041085 1191844073 1232245567 1675172545 1872897829 1936385891 2114562065 2186242135 2345241563 2862302695 3685379599 4497904235 5455166255 5959220365 6161227835 6297065929 9364489145 9681929455 10386069779 11726207815 13110284803 13554701237 18426897995 25797657193 31485329645 51930348895 65551424015 67773506185 72702488453 114246767569 128988285965 363512442265 571233837845 799727372983 3998636864915
• Sum of all divisors σ(n): 6442010542080
• Sum of proper divisors (its aliquot sum) s(n): 2443373677165
• 3998636864915 is a deficient number, because the sum of its proper divisors (2443373677165) is less than itself. Its deficiency is 1555263187750

Bases of 3998636864915

• Binary: 111010001100000001010101000111010110010011₂
• Hexadecimal: 0x3A301547593
• Base-36: 1F0Y55BBN

Squares and roots of 3998636864915

• 3998636864915 squared (3998636864915²) is 15989096777457259957957225
• 3998636864915 cubed (3998636864915³) is 63934591811034227403692242881673260875
• The square root of 3998636864915 is 1999659.1871904073
• The cube root of 3998636864915 is 15872.2071130859

Scales and comparisons

• 3,998,636,864,915 seconds is equal to 127,144 years, 14 weeks, 5 days, 6 hours, 28 minutes, 35 seconds.
• To count from 1 to 3,998,636,864,915 would take you about three hundred seventeen thousand, eight hundred sixty 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 3998636864915 cubic inches would be around 1322.7 feet tall.

Recreational maths with 3998636864915

• 3998636864915 backwards is 5194686368993
• 3998636864915 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3998636864915's digits is 77
• More coming soon!