21195491616
21,195,491,616 is an even composite number composed of six prime numbers multiplied together.
21195491616 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21195491616:
25 × 34 × 13 × 31 × 103 × 197
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 13 × 31 × 103 × 197)See below for interesting mathematical facts about the number 21195491616 from the Numbermatics database.
Names of 21195491616
- Cardinal: 21195491616 can be written as Twenty-one billion, one hundred ninety-five million, four hundred ninety-one thousand, six hundred sixteen.
Scientific notation
- Scientific notation: 2.1195491616 × 1010
Factors of 21195491616
Divisors of 21195491616
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 31 32 36 39 48 52 54 62 72 78 81 93 96 103 104 108 117 124 144 156 162 186 197 206 208 216 234 248 279 288 309 312 324 351 372 394 403 412 416 432 468 496 558 591 618 624 648 702 744 788 806 824 837 864 927 936 992 1053 1116 1182 1209 1236 1248 1296 1339 1404 1488 1576 1612 1648 1674 1773 1854 1872 2106 2232 2364 2418 2472 2511 2561 2592 2678 2781 2808 2976 3152 3193 3224 3296 3348 3546 3627 3708 3744 4017 4212 4464 4728 4836 4944 5022 5122 5319 5356 5562 5616 6107 6304 6386 6448 6696 7092 7254 7416 7683 8034 8343 8424 8928 9456 9579 9672 9888 10044 10244 10638 10712 10881 11124 11232 12051 12214 12772 12896 13392 14184 14508 14832 15366 15957 16068 16686 16848 18321 18912 19158 19344 20088 20291 20488 21276 21424 21762 22248 23049 24102 24428 25544 26784 28368 28737 29016 29664 30732 31914 32136 32643 33372 33696 36153 36642 38316 38688 40176 40582 40976 41509 42552 42848 43524 44496 46098 48204 48856 51088 54963 56736 57474 58032 60873 61464 63828 64272 65286 66744 69147 72306 73284 76632 79391 80352 81164 81952 83018 85104 86211 87048 88992 92196 96408 97712 102176 108459 109926 114948 116064 121746 122928 124527 127656 128544 130572 133488 138294 144612 146568 153264 158782 162328 164889 166036 170208 172422 174096 182619 184392 192816 195424 207441 216918 219852 229896 238173 243492 245856 249054 255312 258633 261144 263783 266976 276588 289224 293136 306528 317564 324656 329778 332072 344844 348192 365238 368784 373581 385632 414882 433836 439704 459792 476346 486984 494667 498108 510624 517266 522288 527566 547857 553176 578448 586272 629021 635128 649312 659556 664144 689688 714519 730476 737568 747162 791349 829764 867672 879408 919584 952692 973968 989334 996216 1034532 1044576 1055132 1095714 1106352 1120743 1156896 1258042 1270256 1319112 1328288 1379376 1429038 1460952 1494324 1582698 1643571 1659528 1735344 1758816 1887063 1905384 1947936 1978668 1992432 2069064 2110264 2143557 2191428 2212704 2241486 2374047 2516084 2540512 2638224 2758752 2858076 2921904 2988648 3165396 3287142 3319056 3362229 3470688 3774126 3810768 3957336 3984864 4138128 4220528 4287114 4382856 4482972 4748094 5032168 5276448 5661189 5716152 5843808 5977296 6330792 6430671 6574284 6638112 6724458 7122141 7548252 7621536 7914672 8177273 8276256 8441056 8574228 8765712 8965944 9496188 10064336 11322378 11432304 11954592 12661584 12861342 13148568 13448916 14244282 15096504 15829344 16354546 16983567 17148456 17531424 17931888 18992376 20128672 21366423 22644756 22864608 24531819 25323168 25722684 26297136 26897832 28488564 30193008 32709092 33967134 34296912 35863776 37984752 42732846 45289512 49063638 50950701 51445368 52594272 53795664 56977128 60386016 65418184 67934268 68593824 73595457 75969504 85465692 90579024 98127276 101901402 102890736 107591328 113954256 130836368 135868536 147190914 170931384 181158048 196254552 203802804 205781472 220786371 227908512 261672736 271737072 294381828 341862768 392509104 407605608 441572742 543474144 588763656 662359113 683725536 785018208 815211216 883145484 1177527312 1324718226 1630422432 1766290968 2355054624 2649436452 3532581936 5298872904 7065163872 10597745808 21195491616
- Sum of all divisors σ(n): 70323821568
- Sum of proper divisors (its aliquot sum) s(n): 49128329952
- 21195491616 is an abundant number, because the sum of its proper divisors (49128329952) is greater than itself. Its abundance is 27932838336
Bases of 21195491616
- Binary: 100111011110101100110001001001000002
- Hexadecimal: 0x4EF598920
- Base-36: 9QJ8Y00
Squares and roots of 21195491616
- 21195491616 squared (211954916162) is 449248864843926291456
- 21195491616 cubed (211954916163) is 9522050548296956859077620432896
-
The
square root of 21195491616 is 145586.7151082131 -
The
cube root of 21195491616 is 2767.4588038901
Scales and comparisons
How big is 21195491616?- 21,195,491,616 seconds is equal to 673 years, 49 weeks, 3 days, 4 hours, 33 minutes, 36 seconds.
-
To count from 1 to 21,195,491,616 would take you about one thousand, three hundred forty-seven 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 21195491616 cubic inches would be around 230.6 feet tall.
Recreational maths with 21195491616
- 21195491616 backwards is 61619459112
- The number of decimal digits it has is: 11
- The sum of 21195491616's digits is 45
- More coming soon!
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