21001086216
21,001,086,216 is an even composite number composed of five prime numbers multiplied together.
21001086216 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 21001086216:
23 × 33 × 112 × 672 × 179
(2 × 2 × 2 × 3 × 3 × 3 × 11 × 11 × 67 × 67 × 179)See below for interesting mathematical facts about the number 21001086216 from the Numbermatics database.
Names of 21001086216
- Cardinal: 21001086216 can be written as Twenty-one billion, one million, eighty-six thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 2.1001086216 × 1010
Factors of 21001086216
Divisors of 21001086216
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 67 72 88 99 108 121 132 134 179 198 201 216 242 264 268 297 358 363 396 402 484 536 537 594 603 716 726 737 792 804 968 1074 1089 1188 1206 1432 1452 1474 1608 1611 1809 1969 2148 2178 2211 2376 2412 2904 2948 3222 3267 3618 3938 4296 4356 4422 4489 4824 4833 5896 5907 6444 6534 6633 7236 7876 8107 8712 8844 8978 9666 11814 11993 12888 13068 13266 13467 14472 15752 16214 17688 17721 17956 19332 19899 21659 23628 23986 24321 26136 26532 26934 32428 35442 35912 35979 38664 39798 40401 43318 47256 47972 48642 49379 53064 53163 53868 64856 64977 70884 71958 72963 79596 80802 86636 95944 97284 98758 106326 107736 107937 121203 129954 131923 141768 143916 145926 148137 159192 161604 173272 194568 194931 197516 212652 215874 218889 242406 259908 263846 287832 291852 296274 323208 323811 389862 395032 395769 425304 431748 437778 444411 484812 519816 527692 543169 583704 584793 592548 647622 779724 791538 803531 863496 875556 888822 969624 1055384 1086338 1169586 1185096 1187307 1295244 1333233 1451153 1559448 1583076 1607062 1629507 1751112 1777644 2172676 2339172 2374614 2410593 2590488 2666466 2902306 3166152 3214124 3259014 3555288 3561921 4345352 4353459 4678344 4749228 4821186 4888521 5332932 5804612 6428248 6518028 7123842 7231779 8706918 8838841 9498456 9642372 9777042 10665864 11609224 13036056 13060377 14247684 14463558 14665563 17413836 17677682 19284744 19554084 21695337 26120754 26516523 28495368 28927116 29331126 34827672 35355364 39108168 39181131 43390674 52241508 53033046 57854232 58662252 70710728 78362262 79549569 86781348 97227251 104483016 106066092 117324504 156724524 159099138 173562696 194454502 212132184 238648707 291681753 313449048 318198276 388909004 477297414 583363506 636396552 777818008 875045259 954594828 1166727012 1750090518 1909189656 2333454024 2625135777 3500181036 5250271554 7000362072 10500543108 21001086216
- Sum of all divisors σ(n): 65456748000
- Sum of proper divisors (its aliquot sum) s(n): 44455661784
- 21001086216 is an abundant number, because the sum of its proper divisors (44455661784) is greater than itself. Its abundance is 23454575568
Bases of 21001086216
- Binary: 100111000111100001100100101000010002
- Hexadecimal: 0x4E3C32508
- Base-36: 9NBI5U0
Squares and roots of 21001086216
- 21001086216 squared (210010862162) is 441045622251865198656
- 21001086216 cubed (210010862163) is 9262437138100789103784623325696
-
The
square root of 21001086216 is 144917.5152146903 -
The
cube root of 21001086216 is 2758.9717436179
Scales and comparisons
How big is 21001086216?- 21,001,086,216 seconds is equal to 667 years, 40 weeks, 3 hours, 3 minutes, 36 seconds.
-
To count from 1 to 21,001,086,216 would take you about one thousand, three hundred thirty-five 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 21001086216 cubic inches would be around 229.9 feet tall.
Recreational maths with 21001086216
- 21001086216 backwards is 61268010012
- 21001086216 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21001086216's digits is 27
- More coming soon!
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