2120870112921

Names of 2120870112921

• Cardinal: 2120870112921 can be written as Two trillion, one hundred twenty billion, eight hundred seventy million, one hundred twelve thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 2.120870112921 × 10¹²

Factors of 2120870112921

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 19791077

Divisors of 2120870112921

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 243 441 567 729 1323 1701 2187 3969 5103 11907 15309 35721 107163 19791067 59373201 138537469 178119603 415612407 534358809 969762283 1246837221 1603076427 2909286849 3740511663 4809229281 8727860547 11221534989 14427687843 26183581641 33664604967 43283063529 78550744923 100993814901 235652234769 302981444703 706956704307 2120870112921
• Sum of all divisors σ(n): 3700138073280
• Sum of proper divisors (its aliquot sum) s(n): 1579267960359
• 2120870112921 is a deficient number, because the sum of its proper divisors (1579267960359) is less than itself. Its deficiency is 541602152562

Bases of 2120870112921

• Binary: 11110110111001101101101011010111010011001₂
• Hexadecimal: 0x1EDCDB5AE99
• Base-36: R2BBB0K9

Squares and roots of 2120870112921

• 2120870112921 squared (2120870112921²) is 4498090035881535291152241
• 2120870112921 cubed (2120870112921³) is 9539864722328896694724899981872205961
• The square root of 2120870112921 is 1456320.7452072503
• The cube root of 2120870112921 is 12848.0738439737

Scales and comparisons

• 2,120,870,112,921 seconds is equal to 67,437 years, 5 weeks, 4 days, 18 hours, 55 minutes, 21 seconds.
• To count from 1 to 2,120,870,112,921 would take you about one hundred sixty-eight thousand, five hundred ninety-two 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 2120870112921 cubic inches would be around 1070.7 feet tall.

Recreational maths with 2120870112921

• 2120870112921 backwards is 1292110780212
• The number of decimal digits it has is: 13
• The sum of 2120870112921's digits is 36
• More coming soon!