21017932992
21,017,932,992 is an even composite number composed of five prime numbers multiplied together.
21017932992 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred seventy-eight divisors.
Prime factorization of 21017932992:
26 × 32 × 72 × 412 × 443
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 7 × 41 × 41 × 443)See below for interesting mathematical facts about the number 21017932992 from the Numbermatics database.
Names of 21017932992
- Cardinal: 21017932992 can be written as Twenty-one billion, seventeen million, nine hundred thirty-two thousand, nine hundred ninety-two.
Scientific notation
- Scientific notation: 2.1017932992 × 1010
Factors of 21017932992
Divisors of 21017932992
- Number of divisors d(n): 378
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 41 42 48 49 56 63 64 72 82 84 96 98 112 123 126 144 147 164 168 192 196 224 246 252 287 288 294 328 336 369 392 441 443 448 492 504 574 576 588 656 672 738 784 861 882 886 984 1008 1148 1176 1312 1329 1344 1476 1568 1681 1722 1764 1772 1968 2009 2016 2296 2352 2583 2624 2658 2952 3101 3136 3362 3444 3528 3544 3936 3987 4018 4032 4592 4704 5043 5166 5316 5904 6027 6202 6724 6888 7056 7088 7872 7974 8036 9184 9303 9408 10086 10332 10632 11767 11808 12054 12404 13448 13776 14112 14176 15129 15948 16072 18081 18163 18368 18606 20172 20664 21264 21707 23534 23616 24108 24808 26896 27552 27909 28224 28352 30258 31896 32144 35301 36162 36326 37212 40344 41328 42528 43414 47068 48216 49616 53792 54489 55104 55818 60516 63792 64288 65121 70602 72324 72652 74424 80688 82369 82656 85056 86828 94136 96432 99232 105903 107584 108978 111636 121032 127141 127584 128576 130242 141204 144648 145304 148848 161376 163467 164738 165312 173656 188272 192864 195363 198464 211806 217956 223272 242064 247107 254282 255168 260484 282408 289296 290608 297696 322752 326934 329476 347312 376544 381423 385728 390726 423612 435912 446544 484128 494214 508564 520968 564816 578592 581216 595392 653868 658952 694624 741321 744683 753088 762846 781452 847224 871824 889987 893088 968256 988428 1017128 1041936 1129632 1144269 1157184 1162432 1307736 1317904 1389248 1482642 1489366 1525692 1562904 1694448 1743648 1779974 1786176 1976856 2034256 2083872 2234049 2259264 2288538 2615472 2635808 2669961 2965284 2978732 3051384 3125808 3388896 3487296 3559948 3953712 4068512 4167744 4468098 4577076 5212781 5230944 5271616 5339922 5930568 5957464 6102768 6251616 6702147 6777792 7119896 7907424 8009883 8137024 8936196 9154152 10425562 10461888 10679844 11861136 11914928 12205536 12503232 13404294 14239792 15638343 15814848 16019766 17872392 18308304 20851124 21359688 23722272 23829856 24411072 26808588 28479584 31276686 32039532 35744784 36489467 36616608 41702248 42719376 46915029 47444544 47659712 53617176 56959168 62553372 64079064 71489568 72978934 73233216 83404496 85438752 93830058 107234352 109468401 125106744 128158128 142979136 145957868 166808992 170877504 187660116 214468704 218936802 250213488 256316256 291915736 328405203 333617984 375320232 428937408 437873604 500426976 512632512 583831472 656810406 750640464 875747208 1000853952 1167662944 1313620812 1501280928 1751494416 2335325888 2627241624 3002561856 3502988832 5254483248 7005977664 10508966496 21017932992
- Sum of all divisors σ(n): 71992984284
- Sum of proper divisors (its aliquot sum) s(n): 50975051292
- 21017932992 is an abundant number, because the sum of its proper divisors (50975051292) is greater than itself. Its abundance is 29957118300
Bases of 21017932992
- Binary: 100111001001100010000110100110000002
- Hexadecimal: 0x4E4C434C0
- Base-36: 9NLJ8W0
Squares and roots of 21017932992
- 21017932992 squared (210179329922) is 441753507256202072064
- 21017932992 cubed (210179329923) is 9284745614491840927052707135488
-
The
square root of 21017932992 is 144975.6289588013 -
The
cube root of 21017932992 is 2759.7092825487
Scales and comparisons
How big is 21017932992?- 21,017,932,992 seconds is equal to 668 years, 15 weeks, 6 days, 2 hours, 43 minutes, 12 seconds.
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To count from 1 to 21,017,932,992 would take you about one thousand, three hundred thirty-six 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 21017932992 cubic inches would be around 230 feet tall.
Recreational maths with 21017932992
- 21017932992 backwards is 29923971012
- The number of decimal digits it has is: 11
- The sum of 21017932992's digits is 45
- More coming soon!
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