21003392900

Names of 21003392900

• Cardinal: 21003392900 can be written as Twenty-one billion, three million, three hundred ninety-two thousand, nine hundred.

Scientific notation

• Scientific notation: 2.10033929 × 10¹⁰

Factors of 21003392900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 78

Divisors of 21003392900

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 10 14 17 20 25 28 34 35 47 50 68 70 85 94 100 119 140 170 175 188 235 238 289 329 340 350 425 470 476 578 595 658 700 799 850 940 1156 1175 1190 1316 1445 1598 1645 1700 2023 2209 2350 2380 2890 2975 3196 3290 3995 4046 4418 4700 5593 5780 5950 6580 7225 7990 8092 8225 8836 10115 11045 11186 11900 13583 14450 15463 15980 16450 19975 20230 22090 22372 27166 27965 28900 30926 32900 37553 39950 40460 44180 50575 54332 55225 55930 61852 67915 75106 77315 79900 95081 101150 103823 110450 111860 135830 139825 150212 154630 187765 190162 202300 207646 220900 262871 271660 279650 309260 339575 375530 380324 386575 415292 475405 519115 525742 559300 638401 679150 726761 751060 773150 938825 950810 1038230 1051484 1276802 1314355 1358300 1453522 1546300 1764991 1877650 1901620 2076460 2377025 2553604 2595575 2628710 2907044 3192005 3529982 3633805 3755300 4468807 4754050 5191150 5257420 6384010 6571775 7059964 7267610 8824955 8937614 9508100 10382300 12354937 12768020 13143550 14535220 15960025 17649910 17875228 18169025 22344035 24709874 26287100 30004847 31920050 35299820 36338050 44124775 44688070 49419748 60009694 61774685 63840100 72676100 88249550 89376140 111720175 120019388 123549370 150024235 176499100 210033929 223440350 247098740 300048470 308873425 420067858 446880700 600096940 617746850 750121175 840135716 1050169645 1235493700 1500242350 2100339290 3000484700 4200678580 5250848225 10501696450 21003392900
• Sum of all divisors σ(n): 56535548160
• Sum of proper divisors (its aliquot sum) s(n): 35532155260
• 21003392900 is an abundant number, because the sum of its proper divisors (35532155260) is greater than itself. Its abundance is 14528762360

Bases of 21003392900

• Binary: 10011100011111001100101011110000100₂
• Hexadecimal: 0x4E3E65784
• Base-36: 9NCVLOK

Squares and roots of 21003392900

• 21003392900 squared (21003392900²) is 441142513311770410000
• 21003392900 cubed (21003392900³) is 9265489531980594115824089000000
• The square root of 21003392900 is 144925.4736062641
• The cube root of 21003392900 is 2759.0727517741

Scales and comparisons

• 21,003,392,900 seconds is equal to 667 years, 43 weeks, 5 days, 19 hours, 48 minutes, 20 seconds.
• To count from 1 to 21,003,392,900 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 21003392900 cubic inches would be around 229.9 feet tall.

Recreational maths with 21003392900

• 21003392900 backwards is 00929330012
• The number of decimal digits it has is: 11
• The sum of 21003392900's digits is 29
• More coming soon!