121720601002

Names of 121720601002

• Cardinal: 121720601002 can be written as One hundred twenty-one billion, seven hundred twenty million, six hundred one thousand and two.

Scientific notation

• Scientific notation: 1.21720601002 × 10¹¹

Factors of 121720601002

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1827

Divisors of 121720601002

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 7 11 13 14 22 26 49 71 77 91 98 142 143 154 182 286 497 539 637 781 923 994 1001 1078 1274 1562 1723 1846 2002 3446 3479 5041 5467 6461 6958 7007 10082 10153 10934 12061 12922 14014 18953 20306 22399 24122 35287 37906 38269 44798 45227 55451 65533 70574 71071 76538 84427 90454 110902 122333 131066 132671 142142 156793 168854 244666 246389 247009 265342 313586 388157 458731 492778 494018 497497 720863 776314 856331 917462 928697 994994 1097551 1345663 1441726 1590329 1712662 1724723 1857394 2195102 2691326 2717099 3180658 3211117 3449446 5046041 5434198 5994317 6422234 8685643 9419641 10092082 11132303 11988634 12073061 17371286 17493619 18839282 22264606 24146122 34987238 35322287 60799501 65937487 70644574 77926121 95542073 112913359 121599002 122455333 131874974 155852242 191084146 225826718 244910666 425596507 668794511 790393513 851193014 857187331 1242046949 1337589022 1580787026 1714374662 2484093898 4681561577 5532754591 8694328643 9363123154 11065509182 17388657286 60860300501 121720601002
• Sum of all divisors σ(n): 253231919136
• Sum of proper divisors (its aliquot sum) s(n): 131511318134
• 121720601002 is an abundant number, because the sum of its proper divisors (131511318134) is greater than itself. Its abundance is 9790717132

Bases of 121720601002

• Binary: 1110001010111000111001111100110101010₂
• Hexadecimal: 0x1C571CF9AA
• Base-36: 1JX1AWTM

Squares and roots of 121720601002

• 121720601002 squared (121720601002²) is 14815904708288083404004
• 121720601002 cubed (121720601002³) is 1803400825481187002490068853212008
• The square root of 121720601002 is 348884.7961748979
• The cube root of 121720601002 is 4955.8866266743

Scales and comparisons

• 121,720,601,002 seconds is equal to 3,870 years, 17 weeks, 4 days, 6 hours, 3 minutes, 22 seconds.
• To count from 1 to 121,720,601,002 would take you about seven thousand, seven hundred forty 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 121720601002 cubic inches would be around 413 feet tall.

Recreational maths with 121720601002

• 121720601002 backwards is 200106027121
• 121720601002 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121720601002's digits is 22
• More coming soon!