21621533024
21,621,533,024 is an even composite number composed of five prime numbers multiplied together.
21621533024 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21621533024:
25 × 72 × 13 × 412 × 631
(2 × 2 × 2 × 2 × 2 × 7 × 7 × 13 × 41 × 41 × 631)See below for interesting mathematical facts about the number 21621533024 from the Numbermatics database.
Names of 21621533024
- Cardinal: 21621533024 can be written as Twenty-one billion, six hundred twenty-one million, five hundred thirty-three thousand and twenty-four.
Scientific notation
- Scientific notation: 2.1621533024 × 1010
Factors of 21621533024
Divisors of 21621533024
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 32 41 49 52 56 82 91 98 104 112 164 182 196 208 224 287 328 364 392 416 533 574 631 637 656 728 784 1066 1148 1262 1274 1312 1456 1568 1681 2009 2132 2296 2524 2548 2912 3362 3731 4018 4264 4417 4592 5048 5096 6724 7462 8036 8203 8528 8834 9184 10096 10192 11767 13448 14924 16072 16406 17056 17668 20192 20384 21853 23534 25871 26117 26896 29848 30919 32144 32812 35336 43706 47068 51742 52234 53792 57421 59696 61838 64288 65624 70672 82369 87412 94136 103484 104468 114842 119392 123676 131248 141344 152971 164738 174824 181097 188272 206968 208936 229684 247352 262496 305942 329476 336323 349648 362194 376544 401947 413936 417872 459368 494704 611884 658952 672646 699296 724388 803894 827872 835744 918736 989408 1060711 1070797 1223768 1267679 1317904 1345292 1448776 1607788 1837472 2121422 2141594 2354261 2447536 2535358 2635808 2690584 2897552 3215576 4242844 4283188 4708522 4895072 5070716 5381168 5795104 6431152 7424977 8485688 8566376 9417044 10141432 10762336 12862304 13789243 14849954 16479827 16971376 17132752 18834088 20282864 27578486 29699908 32959654 33942752 34265504 37668176 40565728 51974839 55156972 59399816 65919308 75336352 96524701 103949678 110313944 118799632 131838616 193049402 207899356 220627888 237599264 263677232 386098804 415798712 441255776 527354464 675672907 772197608 831597424 1351345814 1544395216 1663194848 2702691628 3088790432 5405383256 10810766512 21621533024
- Sum of all divisors σ(n): 54745168464
- Sum of proper divisors (its aliquot sum) s(n): 33123635440
- 21621533024 is an abundant number, because the sum of its proper divisors (33123635440) is greater than itself. Its abundance is 11502102416
Bases of 21621533024
- Binary: 101000010001011111001101001011000002
- Hexadecimal: 0x508BE6960
- Base-36: 9XKWHNK
Squares and roots of 21621533024
- 21621533024 squared (216215330242) is 467490690307922584576
- 21621533024 cubed (216215330243) is 10107865398905304891245417037824
-
The
square root of 21621533024 is 147042.6231539685 -
The
cube root of 21621533024 is 2785.8784321087
Scales and comparisons
How big is 21621533024?- 21,621,533,024 seconds is equal to 687 years, 25 weeks, 6 days, 5 hours, 23 minutes, 44 seconds.
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To count from 1 to 21,621,533,024 would take you about one thousand, three hundred seventy-four 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 21621533024 cubic inches would be around 232.2 feet tall.
Recreational maths with 21621533024
- 21621533024 backwards is 42033512612
- The number of decimal digits it has is: 11
- The sum of 21621533024's digits is 29
- More coming soon!
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