21724017504

Names of 21724017504

• Cardinal: 21724017504 can be written as Twenty-one billion, seven hundred twenty-four million, seventeen thousand, five hundred four.

Scientific notation

• Scientific notation: 2.1724017504 × 10¹⁰

Factors of 21724017504

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 319

Divisors of 21724017504

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 307 336 343 392 588 614 672 686 784 921 1029 1176 1228 1372 1568 1842 2058 2149 2352 2401 2456 2744 3684 4116 4298 4704 4802 4912 5488 6447 7203 7368 8232 8596 9604 9824 10976 12894 14406 14736 15043 16464 17192 19208 25788 28812 29472 30086 32928 34384 38416 45129 51576 57624 60172 68768 76832 90258 94249 103152 105301 115248 120344 180516 188498 206304 210602 230496 240688 282747 315903 361032 376996 421204 481376 565494 631806 659743 722064 737107 753992 842408 1130988 1263612 1319486 1444128 1474214 1507984 1684816 1979229 2211321 2261976 2527224 2638972 2948428 3015968 3369632 3958458 4422642 4523952 4618201 5054448 5277944 5896856 7916916 8845284 9047904 9236402 10108896 10555888 11793712 13854603 15833832 17690568 18472804 21111776 23587424 27709206 31667664 32327407 35381136 36945608 55418412 63335328 64654814 70762272 73891216 96982221 110836824 129309628 147782432 193964442 221673648 226291849 258619256 387928884 443347296 452583698 517238512 678875547 775857768 905167396 1034477024 1357751094 1551715536 1810334792 2715502188 3103431072 3620669584 5431004376 7241339168 10862008752 21724017504
• Sum of all divisors σ(n): 66743247564
• Sum of proper divisors (its aliquot sum) s(n): 45019230060
• 21724017504 is an abundant number, because the sum of its proper divisors (45019230060) is greater than itself. Its abundance is 23295212556

Bases of 21724017504

• Binary: 10100001110110110100011001101100000₂
• Hexadecimal: 0x50EDA3360
• Base-36: 9Z9X36O

Squares and roots of 21724017504

• 21724017504 squared (21724017504²) is 471932936514098390016
• 21724017504 cubed (21724017504³) is 10252279373546394167485802840064
• The square root of 21724017504 is 147390.6968027493
• The cube root of 21724017504 is 2790.2731156949

Scales and comparisons

• 21,724,017,504 seconds is equal to 690 years, 39 weeks, 2 days, 9 hours, 18 minutes, 24 seconds.
• To count from 1 to 21,724,017,504 would take you about one thousand, three hundred eighty-one 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 21724017504 cubic inches would be around 232.5 feet tall.

Recreational maths with 21724017504

• 21724017504 backwards is 40571042712
• The number of decimal digits it has is: 11
• The sum of 21724017504's digits is 33
• More coming soon!