21048630907172

Names of 21048630907172

• Cardinal: 21048630907172 can be written as Twenty-one trillion, forty-eight billion, six hundred thirty million, nine hundred seven thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 2.1048630907172 × 10¹³

Factors of 21048630907172

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5337040

Divisors of 21048630907172

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 11 22 29 44 58 116 121 242 281 319 484 562 638 1124 1276 3091 3509 6182 7018 8149 12364 14036 16298 32596 34001 68002 89639 136004 179278 358556 986029 1972058 3944116 5336717 10673434 21346868 58703887 117407774 154764793 234815548 309529586 619059172 645742757 1291485514 1499617477 1702412723 2582971028 2999234954 3404825446 5998469908 6809650892 16495792247 18726539953 32991584494 37453079906 43488906833 65983168988 74906159812 86977813666 173955627332 181453714717 362907429434 478377975163 725814858868 956755950326 1913511900652 5262157726793 10524315453586 21048630907172
• Sum of all divisors σ(n): 42033378514680
• Sum of proper divisors (its aliquot sum) s(n): 20984747607508
• 21048630907172 is a deficient number, because the sum of its proper divisors (20984747607508) is less than itself. Its deficiency is 63883299664

Bases of 21048630907172

• Binary: 100110010010011000100001010110001000100100100₂
• Hexadecimal: 0x1324C42B1124
• Base-36: 7GLLVDRTW

Squares and roots of 21048630907172

• 21048630907172 squared (21048630907172²) is 443044863066356371681037584
• 21048630907172 cubed (21048630907172³) is 9325487798002295233289280532340147152448
• The square root of 21048630907172 is 4587878.6935981645
• The cube root of 21048630907172 is 27610.5220099927

Scales and comparisons

• 21,048,630,907,172 seconds is equal to 669,281 years, 18 weeks, 3 days, 6 hours, 39 minutes, 32 seconds.
• To count from 1 to 21,048,630,907,172 would take you about one million, six hundred seventy-three thousand, two hundred three 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 21048630907172 cubic inches would be around 2300.9 feet tall.

Recreational maths with 21048630907172

• 21048630907172 backwards is 27170903684012
• The number of decimal digits it has is: 14
• The sum of 21048630907172's digits is 50
• More coming soon!