1988990941800

Names of 1988990941800

• Cardinal: 1988990941800 can be written as One trillion, nine hundred eighty-eight billion, nine hundred ninety million, nine hundred forty-one thousand, eight hundred.

Scientific notation

• Scientific notation: 1.9889909418 × 10¹²

Factors of 1988990941800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 19850386

Divisors of 1988990941800

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 167 200 300 334 501 600 668 835 1002 1336 1670 2004 2505 3340 4008 4175 5010 6680 8350 10020 12525 16700 20040 25050 33400 50100 100200 19850209 39700418 59550627 79400836 99251045 119101254 158801672 198502090 238202508 297753135 397004180 476405016 496255225 595506270 794008360 992510450 1191012540 1488765675 1985020900 2382025080 2977531350 3314984903 3970041800 5955062700 6629969806 9944954709 11910125400 13259939612 16574924515 19889909418 26519879224 33149849030 39779818836 49724773545 66299698060 79559637672 82874622575 99449547090 132599396120 165749245150 198899094180 248623867725 331498490300 397798188360 497247735450 662996980600 994495470900 1988990941800
• Sum of all divisors σ(n): 6202793620800
• Sum of proper divisors (its aliquot sum) s(n): 4213802679000
• 1988990941800 is an abundant number, because the sum of its proper divisors (4213802679000) is greater than itself. Its abundance is 2224811737200

Bases of 1988990941800

• Binary: 11100111100011001000110010011101001101000₂
• Hexadecimal: 0x1CF19193A68
• Base-36: PDQ9UOVC

Squares and roots of 1988990941800

• 1988990941800 squared (1988990941800²) is 3956084966562450987240000
• 1988990941800 cubed (1988990941800³) is 7868617163483870897626827382632000000
• The square root of 1988990941800 is 1410315.9014206711
• The cube root of 1988990941800 is 12576.0503780279

Scales and comparisons

• 1,988,990,941,800 seconds is equal to 63,243 years, 39 weeks, 3 days, 11 hours, 50 minutes.
• To count from 1 to 1,988,990,941,800 would take you about one hundred fifty-eight thousand, one hundred nine 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 1988990941800 cubic inches would be around 1048 feet tall.

Recreational maths with 1988990941800

• 1988990941800 backwards is 0081490998891
• The number of decimal digits it has is: 13
• The sum of 1988990941800's digits is 66
• More coming soon!