21213231264
21,213,231,264 is an even composite number composed of five prime numbers multiplied together.
What does the number 21213231264 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 288 divisors.
21213231264 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21213231264:
25 × 35 × 19 × 67 × 2143
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 19 × 67 × 2143)See below for interesting mathematical facts about the number 21213231264 from the Numbermatics database.
Names of 21213231264
- Cardinal: 21213231264 can be written as Twenty-one billion, two hundred thirteen million, two hundred thirty-one thousand, two hundred sixty-four.
Scientific notation
- Scientific notation: 2.1213231264 × 1010
Factors of 21213231264
Divisors of 21213231264
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 67 72 76 81 96 108 114 134 144 152 162 171 201 216 228 243 268 288 304 324 342 402 432 456 486 513 536 603 608 648 684 804 864 912 972 1026 1072 1206 1273 1296 1368 1539 1608 1809 1824 1944 2052 2143 2144 2412 2546 2592 2736 3078 3216 3618 3819 3888 4104 4286 4617 4824 5092 5427 5472 6156 6429 6432 7236 7638 7776 8208 8572 9234 9648 10184 10854 11457 12312 12858 14472 15276 16281 16416 17144 18468 19287 19296 20368 21708 22914 24624 25716 28944 30552 32562 34288 34371 36936 38574 40717 40736 43416 45828 49248 51432 57861 57888 61104 65124 68576 68742 73872 77148 81434 86832 91656 102864 103113 115722 122151 122208 130248 137484 143581 147744 154296 162868 173583 173664 183312 205728 206226 231444 244302 260496 274968 287162 308592 309339 325736 347166 366453 366624 412452 430743 462888 488604 520749 520992 549936 574324 617184 618678 651472 694332 732906 824904 861486 925776 977208 1041498 1099359 1099872 1148648 1237356 1292229 1302944 1388664 1465812 1649808 1722972 1851552 1954416 2082996 2198718 2297296 2474712 2584458 2728039 2777328 2931624 3298077 3299616 3445944 3876687 3908832 4165992 4397436 4594592 4949424 5168916 5456078 5554656 5863248 6596154 6891888 7753374 8184117 8331984 8794872 9894231 9898848 10337832 10912156 11630061 11726496 13192308 13783776 15506748 16368234 16663968 17589744 19788462 20675664 21824312 23260122 24552351 26384616 31013496 32736468 34890183 35179488 39576924 41351328 43648624 46520244 49104702 52769232 62026992 65472936 69780366 73657053 79153848 87297248 93040488 98209404 105538464 124053984 130945872 139560732 147314106 158307696 186080976 196418808 220971159 261891744 279121464 294628212 316615392 372161952 392837616 441942318 558242928 589256424 662913477 785675232 883884636 1116485856 1178512848 1325826954 1767769272 2357025696 2651653908 3535538544 5303307816 7071077088 10606615632 21213231264
- Sum of all divisors σ(n): 66866042880
- Sum of proper divisors (its aliquot sum) s(n): 45652811616
- 21213231264 is an abundant number, because the sum of its proper divisors (45652811616) is greater than itself. Its abundance is 24439580352
Bases of 21213231264
- Binary: 100111100000110100000111000101000002
- Hexadecimal: 0x4F06838A0
- Base-36: 9QTT600
Squares and roots of 21213231264
- 21213231264 squared (212132312642) is 450001180659947037696
- 21213231264 cubed (212132312643) is 9545979114412500652636973727744
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The
square root of 21213231264 is 145647.6270455513 -
The
cube root of 21213231264 is 2768.2306670123
Scales and comparisons
How big is 21213231264?- 21,213,231,264 seconds is equal to 674 years, 26 weeks, 5 days, 12 hours, 14 minutes, 24 seconds.
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To count from 1 to 21,213,231,264 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 21213231264 cubic inches would be around 230.7 feet tall.
Recreational maths with 21213231264
- 21213231264 backwards is 46213231212
- 21213231264 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21213231264's digits is 27
- More coming soon!
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