1997947863520

Names of 1997947863520

• Cardinal: 1997947863520 can be written as One trillion, nine hundred ninety-seven billion, nine hundred forty-seven million, eight hundred sixty-three thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.99794786352 × 10¹²

Factors of 1997947863520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3845

Divisors of 1997947863520

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 877 1093 1120 1754 1861 2186 3508 3722 4372 4385 5465 6139 7016 7444 7651 8744 8770 9305 10930 12278 13027 14032 14888 15302 17488 17540 18610 21860 24556 26054 28064 29776 30604 30695 34976 35080 37220 38255 43720 49112 52108 59552 61208 61390 65135 70160 74440 76510 87440 98224 104216 122416 122780 130270 140320 148880 153020 174880 196448 208432 244832 245560 260540 297760 306040 416864 491120 521080 612080 958561 982240 1042160 1224160 1632097 1917122 2034073 2084320 3264194 3834244 4068146 4792805 6528388 6709927 7668488 8136292 8160485 9585610 10170365 11424679 13056776 13419854 14238511 15336976 16272584 16320970 19171220 20340730 22849358 26113552 26839708 28477022 30673952 32545168 32641940 33549635 38342440 40681460 45698716 52227104 53679416 56954044 57123395 65090336 65283880 67099270 71192555 76684880 81362920 91397432 107358832 113908088 114246790 130567760 134198540 142385110 153369760 162725840 182794864 214717664 227816176 228493580 261135520 268397080 284770220 325451680 365589728 455632352 456987160 536794160 569540440 913974320 1073588320 1139080880 1783882021 1827948640 2278161760 3567764042 7135528084 8919410105 12487174147 14271056168 17838820210 24974348294 28542112336 35677640420 49948696588 57084224672 62435870735 71355280840 99897393176 124871741470 142710561680 199794786352 249743482940 285421123360 399589572704 499486965880 998973931760 1997947863520
• Sum of all divisors σ(n): 5408456006016
• Sum of proper divisors (its aliquot sum) s(n): 3410508142496
• 1997947863520 is an abundant number, because the sum of its proper divisors (3410508142496) is greater than itself. Its abundance is 1412560278976

Bases of 1997947863520

• Binary: 11101000100101110111110010000000111100000₂
• Hexadecimal: 0x1D12EF901E0
• Base-36: PHUEKLWG

Squares and roots of 1997947863520

• 1997947863520 squared (1997947863520²) is 3991795665344132546790400
• 1997947863520 cubed (1997947863520³) is 7975399621182706527427576113246208000
• The square root of 1997947863520 is 1413487.8363537481
• The cube root of 1997947863520 is 12594.8998076773

Scales and comparisons

• 1,997,947,863,520 seconds is equal to 63,528 years, 29 weeks, 1 day, 13 hours, 38 minutes, 40 seconds.
• To count from 1 to 1,997,947,863,520 would take you about one hundred fifty-eight thousand, eight hundred twenty-one 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 1997947863520 cubic inches would be around 1049.6 feet tall.

Recreational maths with 1997947863520

• 1997947863520 backwards is 0253687497991
• 1997947863520 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1997947863520's digits is 70
• More coming soon!