1988457538394992

Names of 1988457538394992

• Cardinal: 1988457538394992 can be written as One quadrillion, nine hundred eighty-eight trillion, four hundred fifty-seven billion, five hundred thirty-eight million, three hundred ninety-four thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.988457538394992 × 10¹⁵

Factors of 1988457538394992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 164057

Divisors of 1988457538394992

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 14 16 28 56 59 89 112 118 178 236 356 413 472 623 712 826 944 1246 1424 1652 2492 3304 4984 5251 6608 9968 10502 21004 24203 36757 42008 48406 73514 84016 96812 139697 147028 169421 193624 279394 294056 338842 387248 558788 588112 677684 977879 1117576 1355368 1427977 1955758 2154067 2235152 2710736 2855954 3911516 4308134 5711908 7823032 8242123 8616268 9995839 11423816 12433033 15078469 15646064 16484246 17232536 19991678 22847632 24866066 30156938 32968492 34465072 39983356 49732132 57694861 60313876 65936984 79966712 87031231 99464264 115389722 120627752 127089953 131873968 159933424 174062462 198928528 230779444 241255504 254179906 348124924 461558888 508359812 696249848 733548947 889629671 923117776 1016719624 1392499696 1467097894 1779259342 2033439248 2934195788 3381086491 3558518684 5134842629 5868391576 6762172982 7117037368 10269685258 11736783152 13524345964 14234074736 20539370516 23667605437 27048691928 41078741032 47335210874 54097383856 82157482064 94670421748 189340843496 199484102969 300916697699 378681686992 398968205938 601833395398 797936411876 1203666790796 1396388720783 1595872823752 2106416883893 2407333581592 2792777441566 3191745647504 4212833767786 4814667163184 5585554883132 8425667535572 11171109766264 16851335071144 17754085164241 22342219532528 33702670142288 35508170328482 71016340656964 124278596149687 142032681313928 248557192299374 284065362627856 497114384598748 994228769197496 1988457538394992
• Sum of all divisors σ(n): 4528170524966400
• Sum of proper divisors (its aliquot sum) s(n): 2539712986571408
• 1988457538394992 is an abundant number, because the sum of its proper divisors (2539712986571408) is greater than itself. Its abundance is 551255448176416

Bases of 1988457538394992

• Binary: 111000100000111110111011001001110100001101101110000₂
• Hexadecimal: 0x7107DD93A1B70
• Base-36: JKUKS5WOZ4

Squares and roots of 1988457538394992

• 1988457538394992 squared (1988457538394992²) is 3953963381999871083855410680064
• 1988457538394992 cubed (1988457538394992³) is 7862288293475401075903414548013183497771839488
• The square root of 1988457538394992 is 44592124.1745108169
• The cube root of 1988457538394992 is 125749.2607127557

Scales and comparisons

• 1,988,457,538,394,992 seconds is equal to 63,226,799 years, 6 days, 12 hours, 49 minutes, 52 seconds.
• To count from 1 to 1,988,457,538,394,992 would take you about one hundred eighty-nine million, six hundred eighty thousand, three hundred ninety-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 1988457538394992 cubic inches would be around 10479.1 feet tall.

Recreational maths with 1988457538394992

• 1988457538394992 backwards is 2994938357548891
• The number of decimal digits it has is: 16
• The sum of 1988457538394992's digits is 94
• More coming soon!