21494950740

Names of 21494950740

• Cardinal: 21494950740 can be written as Twenty-one billion, four hundred ninety-four million, nine hundred fifty thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.149495074 × 10¹⁰

Factors of 21494950740

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1362

Divisors of 21494950740

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 73 90 146 180 219 292 365 438 657 730 876 1095 1279 1314 1460 2190 2558 2628 3285 3837 4380 5116 6395 6570 7674 11511 12790 13140 15348 19185 23022 25580 38370 46044 57555 76740 93367 115110 186734 230220 280101 373468 466835 560202 840303 933670 1120404 1400505 1635841 1680606 1867340 2801010 3271682 3361212 4201515 4907523 5602020 6543364 8179205 8403030 9815046 14722569 16358410 16806060 19630092 24537615 29445138 32716820 49075230 58890276 73612845 98150460 119416393 147225690 238832786 294451380 358249179 477665572 597081965 716498358 1074747537 1194163930 1432996716 1791245895 2149495074 2388327860 3582491790 4298990148 5373737685 7164983580 10747475370 21494950740
• Sum of all divisors σ(n): 66146236884
• Sum of proper divisors (its aliquot sum) s(n): 44651286144
• 21494950740 is an abundant number, because the sum of its proper divisors (44651286144) is greater than itself. Its abundance is 23156335404

Bases of 21494950740

• Binary: 10100000001001100101110101101010100₂
• Hexadecimal: 0x50132EB54
• Base-36: 9VHJE50

Squares and roots of 21494950740

• 21494950740 squared (21494950740²) is 462032907315026547600
• 21494950740 cubed (21494950740³) is 9931374582995481302454265224000
• The square root of 21494950740 is 146611.5641414415
• The cube root of 21494950740 is 2780.4311884011

Scales and comparisons

• 21,494,950,740 seconds is equal to 683 years, 24 weeks, 4 days, 3 hours, 39 minutes.
• To count from 1 to 21,494,950,740 would take you about one thousand, three hundred sixty-six 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 21494950740 cubic inches would be around 231.7 feet tall.

Recreational maths with 21494950740

• 21494950740 backwards is 04705949412
• 21494950740 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21494950740's digits is 45
• More coming soon!