21499021440
21,499,021,440 is an even composite number composed of six prime numbers multiplied together.
21499021440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21499021440:
27 × 32 × 5 × 13 × 17 × 16889
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 13 × 17 × 16889)See below for interesting mathematical facts about the number 21499021440 from the Numbermatics database.
Names of 21499021440
- Cardinal: 21499021440 can be written as Twenty-one billion, four hundred ninety-nine million, twenty-one thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.149902144 × 1010
Factors of 21499021440
Divisors of 21499021440
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 30 32 34 36 39 40 45 48 51 52 60 64 65 68 72 78 80 85 90 96 102 104 117 120 128 130 136 144 153 156 160 170 180 192 195 204 208 221 234 240 255 260 272 288 306 312 320 340 360 384 390 408 416 442 468 480 510 520 544 576 585 612 624 640 663 680 720 765 780 816 832 884 936 960 1020 1040 1088 1105 1152 1170 1224 1248 1326 1360 1440 1530 1560 1632 1664 1768 1872 1920 1989 2040 2080 2176 2210 2340 2448 2496 2652 2720 2880 3060 3120 3264 3315 3536 3744 3978 4080 4160 4420 4680 4896 4992 5304 5440 5760 6120 6240 6528 6630 7072 7488 7956 8160 8320 8840 9360 9792 9945 10608 10880 12240 12480 13260 14144 14976 15912 16320 16889 17680 18720 19584 19890 21216 24480 24960 26520 28288 31824 32640 33778 35360 37440 39780 42432 48960 50667 53040 63648 67556 70720 74880 79560 84445 84864 97920 101334 106080 127296 135112 141440 152001 159120 168890 202668 212160 219557 253335 254592 270224 287113 304002 318240 337780 405336 424320 439114 506670 540448 574226 608004 636480 658671 675560 760005 810672 861339 878228 1013340 1080896 1097785 1148452 1216008 1272960 1317342 1351120 1435565 1520010 1621344 1722678 1756456 1976013 2026680 2161792 2195570 2296904 2432016 2584017 2634684 2702240 2871130 3040020 3242688 3293355 3445356 3512912 3732469 3952026 4053360 4306695 4391140 4593808 4864032 5168034 5269368 5404480 5742260 6080040 6485376 6586710 6890712 7025824 7464938 7904052 8106720 8613390 8782280 9187616 9728064 9880065 10336068 10538736 10808960 11197407 11484520 12160080 12920085 13173420 13781424 14051648 14929876 15808104 16213440 17226780 17564560 18375232 18662345 19456128 19760130 20672136 21077472 22394814 22969040 24320160 25840170 26346840 27562848 28103296 29859752 31616208 32426880 33592221 34453560 35129120 36750464 37324690 39520260 41344272 42154944 44789628 45938080 48640320 51680340 52693680 55125696 55987035 59719504 63232416 67184442 68907120 70258240 74649380 79040520 82688544 84309888 89579256 91876160 97280640 103360680 105387360 110251392 111974070 119439008 126464832 134368884 137814240 140516480 149298760 158081040 165377088 167961105 179158512 183752320 206721360 210774720 223948140 238878016 252929664 268737768 275628480 298597520 316162080 330754176 335922210 358317024 413442720 421549440 447896280 477756032 537475536 551256960 597195040 632324160 671844420 716634048 826885440 895792560 1074951072 1194390080 1264648320 1343688840 1433268096 1653770880 1791585120 2149902144 2388780160 2687377680 3583170240 4299804288 5374755360 7166340480 10749510720 21499021440
- Sum of all divisors σ(n): 84657409200
- Sum of proper divisors (its aliquot sum) s(n): 63158387760
- 21499021440 is an abundant number, because the sum of its proper divisors (63158387760) is greater than itself. Its abundance is 41659366320
Bases of 21499021440
- Binary: 101000000010111000100001000100000002
- Hexadecimal: 0x501710880
- Base-36: 9VJYN40
Squares and roots of 21499021440
- 21499021440 squared (214990214402) is 462207922877579673600
- 21499021440 cubed (214990214403) is 9937018043682951898034601984000
-
The
square root of 21499021440 is 146625.4460862779 -
The
cube root of 21499021440 is 2780.6066960815
Scales and comparisons
How big is 21499021440?- 21,499,021,440 seconds is equal to 683 years, 31 weeks, 2 days, 6 hours, 24 minutes.
-
To count from 1 to 21,499,021,440 would take you about one thousand, three hundred sixty-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 21499021440 cubic inches would be around 231.7 feet tall.
Recreational maths with 21499021440
- 21499021440 backwards is 04412099412
- 21499021440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21499021440's digits is 36
- More coming soon!
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