21001133579090

Names of 21001133579090

• Cardinal: 21001133579090 can be written as Twenty-one trillion, one billion, one hundred thirty-three million, five hundred seventy-nine thousand and ninety.

Scientific notation

• Scientific notation: 2.100113357909 × 10¹³

Factors of 21001133579090

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 91644

Divisors of 21001133579090

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 14 17 34 35 70 71 85 119 142 170 238 355 497 595 710 994 1190 1207 2414 2485 2801 4970 5602 6035 8449 12070 14005 16898 19607 28010 39214 42245 47617 84490 88741 95234 98035 177482 196070 198871 238085 333319 397742 443705 476170 621187 666638 887410 994355 1242374 1392097 1508597 1666595 1988710 2784194 3017194 3105935 3333190 3380807 6211870 6300611 6761614 6960485 7542985 10560179 12601222 13920970 15085970 16904035 21120358 23665649 31503055 33808070 44104277 47331298 52800895 63006110 88208554 105601790 107110387 118328245 214220774 220521385 236656490 248563541 441042770 497127082 535551935 749772709 1071103870 1242817705 1499545418 1739944787 2485635410 3479889574 3748863545 4225580197 7497727090 8451160394 8699723935 17399447870 17648011411 21127900985 29579061379 35296022822 42255801970 59158122758 88240057055 123536079877 147895306895 176480114110 247072159754 295790613790 300016193987 600032387974 617680399385 1235360798770 1500080969935 2100113357909 3000161939870 4200226715818 10500566789545 21001133579090
• Sum of all divisors σ(n): 46405006396416
• Sum of proper divisors (its aliquot sum) s(n): 25403872817326
• 21001133579090 is an abundant number, because the sum of its proper divisors (25403872817326) is greater than itself. Its abundance is 4402739238236

Bases of 21001133579090

• Binary: 100110001100110110101000110110101101101010010₂
• Hexadecimal: 0x1319B51B5B52
• Base-36: 7FZSCP6XE

Squares and roots of 21001133579090

• 21001133579090 squared (21001133579090²) is 441047611606781553285228100
• 21001133579090 cubed (21001133579090³) is 9262499806092624507860791955380040429000
• The square root of 21001133579090 is 4582699.3769054937
• The cube root of 21001133579090 is 27589.7381769041

Scales and comparisons

• 21,001,133,579,090 seconds is equal to 667,771 years, 4 weeks, 3 days, 16 hours, 24 minutes, 50 seconds.
• To count from 1 to 21,001,133,579,090 would take you about one million, six hundred sixty-nine thousand, four hundred twenty-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 21001133579090 cubic inches would be around 2299.1 feet tall.

Recreational maths with 21001133579090

• 21001133579090 backwards is 09097533110012
• The number of decimal digits it has is: 14
• The sum of 21001133579090's digits is 41
• More coming soon!