21340285272

Names of 21340285272

• Cardinal: 21340285272 can be written as Twenty-one billion, three hundred forty million, two hundred eighty-five thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.1340285272 × 10¹⁰

Factors of 21340285272

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2027

Divisors of 21340285272

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 43 54 72 81 86 108 129 162 172 216 243 258 324 344 387 486 516 648 729 774 972 1032 1161 1458 1548 1849 1944 1979 2322 2916 3096 3483 3698 3958 4644 5547 5832 5937 6966 7396 7916 9288 10449 11094 11874 13932 14792 15832 16641 17811 20898 22188 23748 27864 31347 33282 35622 41796 44376 47496 49923 53433 62694 66564 71244 83592 85097 99846 106866 125388 133128 142488 149769 160299 170194 199692 213732 250776 255291 299538 320598 340388 399384 427464 449307 480897 510582 599076 641196 680776 765873 898614 961794 1021164 1198152 1282392 1347921 1442691 1531746 1797228 1923588 2042328 2297619 2695842 2885382 3063492 3594456 3659171 3847176 4595238 5391684 5770764 6126984 6892857 7318342 9190476 10783368 10977513 11541528 13785714 14636684 18380952 20678571 21955026 27571428 29273368 32932539 41357142 43910052 55142856 62035713 65865078 82714284 87820104 98797617 124071426 131730156 165428568 197595234 248142852 263460312 296392851 395190468 496285704 592785702 790380936 889178553 1185571404 1778357106 2371142808 2667535659 3556714212 5335071318 7113428424 10670142636 21340285272
• Sum of all divisors σ(n): 61450755300
• Sum of proper divisors (its aliquot sum) s(n): 40110470028
• 21340285272 is an abundant number, because the sum of its proper divisors (40110470028) is greater than itself. Its abundance is 18770184756

Bases of 21340285272

• Binary: 10011110111111110101110100101011000₂
• Hexadecimal: 0x4F7FAE958
• Base-36: 9SXGDI0

Squares and roots of 21340285272

• 21340285272 squared (21340285272²) is 455407775490340113984
• 21340285272 cubed (21340285272³) is 9718531844050787712723556443648
• The square root of 21340285272 is 146083.1450647199
• The cube root of 21340285272 is 2773.7463274999

Scales and comparisons

• 21,340,285,272 seconds is equal to 678 years, 28 weeks, 6 days, 1 hour, 1 minute, 12 seconds.
• To count from 1 to 21,340,285,272 would take you about one thousand, three hundred fifty-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 21340285272 cubic inches would be around 231.1 feet tall.

Recreational maths with 21340285272

• 21340285272 backwards is 27258204312
• 21340285272 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21340285272's digits is 36
• More coming soon!