21189344202

Names of 21189344202

• Cardinal: 21189344202 can be written as Twenty-one billion, one hundred eighty-nine million, three hundred forty-four thousand, two hundred two.

Scientific notation

• Scientific notation: 2.1189344202 × 10¹⁰

Factors of 21189344202

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 426

Divisors of 21189344202

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 81 117 137 162 234 271 274 351 411 542 702 813 822 1053 1233 1626 1781 2106 2439 2466 3523 3562 3699 4878 5343 7046 7317 7398 10569 10686 11097 14634 16029 21138 21951 22194 31707 32058 37127 43902 48087 63414 73441 74254 95121 96174 111381 144261 146882 190242 220323 222762 285363 288522 334143 440646 482651 570726 660969 668286 954733 965302 1002429 1321938 1447953 1909466 1982907 2004858 2864199 2895906 3007287 3965814 4343859 5728398 5948721 6014574 8592597 8687718 10061417 11897442 13031577 17185194 20122834 25777791 26063154 30184251 39094731 51555582 60368502 77333373 78189462 90552753 130798421 154666746 181105506 261596842 271658259 392395263 543316518 784790526 814974777 1177185789 1629949554 2354371578 3531557367 7063114734 10594672101 21189344202
• Sum of all divisors σ(n): 51696106308
• Sum of proper divisors (its aliquot sum) s(n): 30506762106
• 21189344202 is an abundant number, because the sum of its proper divisors (30506762106) is greater than itself. Its abundance is 9317417904

Bases of 21189344202

• Binary: 10011101110111110111011101111001010₂
• Hexadecimal: 0x4EEFBBBCA
• Base-36: 9QFL6MI

Squares and roots of 21189344202

• 21189344202 squared (21189344202²) is 448988307710831016804
• 21189344202 cubed (21189344202³) is 9513767794758289098517601970408
• The square root of 21189344202 is 145565.6010257917
• The cube root of 21189344202 is 2767.1912256031

Scales and comparisons

• 21,189,344,202 seconds is equal to 673 years, 39 weeks, 2 days, 56 minutes, 42 seconds.
• To count from 1 to 21,189,344,202 would take you about one thousand, three hundred forty-seven 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 21189344202 cubic inches would be around 230.6 feet tall.

Recreational maths with 21189344202

• 21189344202 backwards is 20244398112
• The number of decimal digits it has is: 11
• The sum of 21189344202's digits is 36
• More coming soon!