21216747024

Names of 21216747024

• Cardinal: 21216747024 can be written as Twenty-one billion, two hundred sixteen million, seven hundred forty-seven thousand and twenty-four.

Scientific notation

• Scientific notation: 2.1216747024 × 10¹⁰

Factors of 21216747024

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 124

Divisors of 21216747024

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 19 22 24 33 36 38 44 48 57 66 72 76 88 89 99 114 132 144 152 171 176 178 198 209 228 264 267 304 342 356 396 418 456 528 534 627 684 712 792 801 836 912 979 1068 1254 1368 1424 1584 1602 1672 1691 1881 1958 2136 2508 2736 2937 3204 3344 3382 3762 3916 4272 5016 5073 5874 6408 6764 7524 7832 7921 8811 10032 10146 11748 12816 13528 15048 15219 15664 15842 17622 18601 20292 23496 23763 27056 30096 30438 31684 35244 37202 40584 46992 47526 55803 60876 63368 70488 71289 74404 81168 87131 95052 111606 121752 126736 140976 142578 148808 150499 167409 174262 190104 223212 243504 261393 285156 297616 300998 334818 348524 380208 446424 451497 522786 570312 601996 669636 697048 704969 784179 892848 902994 1045572 1140624 1203992 1339272 1354491 1394096 1409938 1568358 1655489 1805988 2091144 2114907 2407984 2678544 2708982 2819876 3136716 3310978 3611976 4182288 4229814 4966467 5417964 5639752 6273432 6344721 6621956 7223952 7754659 8459628 9932934 10835928 11279504 12546864 12689442 13243912 13394411 14899401 15509318 16919256 19865868 21671856 23263977 25378884 26487824 26788822 29798802 31018636 33838512 39731736 40183233 46527954 50757768 53577644 59597604 62037272 69791931 79463472 80366466 93055908 101515536 107155288 119195208 120549699 124074544 139583862 147338521 160732932 186111816 214310576 238390416 241099398 279167724 294677042 321465864 372223632 442015563 482198796 558335448 589354084 642931728 884031126 964397592 1116670896 1178708168 1326046689 1768062252 1928795184 2357416336 2652093378 3536124504 5304186756 7072249008 10608373512 21216747024
• Sum of all divisors σ(n): 68959425600
• Sum of proper divisors (its aliquot sum) s(n): 47742678576
• 21216747024 is an abundant number, because the sum of its proper divisors (47742678576) is greater than itself. Its abundance is 26525931552

Bases of 21216747024

• Binary: 10011110000100111011101111000010000₂
• Hexadecimal: 0x4F09DDE10
• Base-36: 9QVWIS0

Squares and roots of 21216747024

• 21216747024 squared (21216747024²) is 450150354280412856576
• 21216747024 cubed (21216747024³) is 9550726189531495136250186829824
• The square root of 21216747024 is 145659.6959491541
• The cube root of 21216747024 is 2768.3835888203

Scales and comparisons

• 21,216,747,024 seconds is equal to 674 years, 32 weeks, 4 days, 4 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,216,747,024 would take you about one thousand, three hundred forty-nine 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 21216747024 cubic inches would be around 230.7 feet tall.

Recreational maths with 21216747024

• 21216747024 backwards is 42074761212
• 21216747024 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21216747024's digits is 36
• More coming soon!