21008233701

Names of 21008233701

• Cardinal: 21008233701 can be written as Twenty-one billion, eight million, two hundred thirty-three thousand, seven hundred one.

Scientific notation

• Scientific notation: 2.1008233701 × 10¹⁰

Factors of 21008233701

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 276

Divisors of 21008233701

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 13 17 21 39 51 63 91 109 117 119 127 153 221 273 327 357 381 663 763 819 889 981 1071 1143 1417 1547 1651 1853 1989 2159 2289 2667 4251 4641 4953 5559 6477 6867 8001 9919 11557 11881 12753 12971 13843 13923 14859 15113 16677 19431 24089 28067 29757 34671 35643 38913 41529 45339 72267 83167 84201 89271 96901 104013 106929 116739 124587 136017 154453 168623 179959 196469 201977 216801 235331 249501 252603 290703 463359 505869 539877 589407 605931 705993 748503 872109 1081171 1259713 1390077 1413839 1508887 1517607 1619631 1647317 1768221 1817793 2117979 2625701 3059303 3243513 3779139 4241517 4526661 4941951 7877103 9177909 9730539 10562209 11337417 12724551 13579983 14825853 18379907 19615531 21415121 23631309 25651079 27533727 31686627 55139721 58846593 64245363 76953237 95059881 137308717 165419163 176539779 179557553 192736089 230859711 333464027 411926151 538672659 1000392081 1235778453 1616017977 2334248189 3001176243 7002744567 21008233701
• Sum of all divisors σ(n): 40225296384
• Sum of proper divisors (its aliquot sum) s(n): 19217062683
• 21008233701 is a deficient number, because the sum of its proper divisors (19217062683) is less than itself. Its deficiency is 1791171018

Bases of 21008233701

• Binary: 10011100100001100000011010011100101₂
• Hexadecimal: 0x4E43034E5
• Base-36: 9NFRCV9

Squares and roots of 21008233701

• 21008233701 squared (21008233701²) is 441345883235832157401
• 21008233701 cubed (21008233701³) is 9271897457992620059891224771101
• The square root of 21008233701 is 144942.1736452161
• The cube root of 21008233701 is 2759.2847031833

Scales and comparisons

• 21,008,233,701 seconds is equal to 667 years, 51 weeks, 5 days, 20 hours, 28 minutes, 21 seconds.
• To count from 1 to 21,008,233,701 would take you about one thousand, three hundred thirty-five 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 21008233701 cubic inches would be around 229.9 feet tall.

Recreational maths with 21008233701

• 21008233701 backwards is 10733280012
• The number of decimal digits it has is: 11
• The sum of 21008233701's digits is 27
• More coming soon!