21431814040
21,431,814,040 is an even composite number composed of seven prime numbers multiplied together.
21431814040 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21431814040:
23 × 5 × 72 × 13 × 31 × 43 × 631
(2 × 2 × 2 × 5 × 7 × 7 × 13 × 31 × 43 × 631)See below for interesting mathematical facts about the number 21431814040 from the Numbermatics database.
Names of 21431814040
- Cardinal: 21431814040 can be written as Twenty-one billion, four hundred thirty-one million, eight hundred fourteen thousand and forty.
Scientific notation
- Scientific notation: 2.143181404 × 1010
Factors of 21431814040
Divisors of 21431814040
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 4 5 7 8 10 13 14 20 26 28 31 35 40 43 49 52 56 62 65 70 86 91 98 104 124 130 140 155 172 182 196 215 217 245 248 260 280 301 310 344 364 392 403 430 434 455 490 520 559 602 620 631 637 728 806 860 868 910 980 1085 1118 1204 1240 1262 1274 1333 1505 1519 1612 1720 1736 1820 1960 2015 2107 2170 2236 2408 2524 2548 2666 2795 2821 3010 3038 3155 3185 3224 3640 3913 4030 4214 4340 4417 4472 5048 5096 5332 5590 5642 6020 6076 6310 6370 6665 7595 7826 8060 8203 8428 8680 8834 9331 10535 10664 11180 11284 12040 12152 12620 12740 13330 14105 15190 15652 16120 16406 16856 17329 17668 18662 19561 19565 19747 21070 22085 22360 22568 25240 25480 26660 27133 27391 28210 30380 30919 31304 32812 34658 35336 37324 39122 39130 39494 41015 42140 44170 46655 53320 54266 54782 56420 57421 60760 61838 65317 65624 69316 74648 78244 78260 78988 82030 84280 86645 88340 93310 97805 98735 108532 109564 112840 114842 121303 123676 130634 135665 136927 136955 138632 154595 156488 156520 157976 164060 173290 176680 186620 189931 195610 197470 217064 219128 229684 242606 247352 254293 261268 271330 273854 273910 287105 309190 326585 328120 346580 352729 373240 379862 391220 394940 401947 459368 485212 508586 522536 542660 547708 547820 574210 606515 618380 653170 684635 693160 705458 759724 782440 789880 803894 841123 849121 949655 958489 970424 1017172 1085320 1095416 1095640 1148420 1213030 1236760 1271465 1306340 1329517 1369270 1410916 1519448 1607788 1682246 1698242 1763645 1780051 1899310 1916978 2009735 2034344 2296840 2426060 2469103 2542930 2612680 2659034 2738540 2821832 3215576 3364492 3396484 3527290 3560102 3798620 3833956 4019470 4205615 4245605 4792445 4852120 4938206 5085860 5318068 5477080 5887861 6647585 6728984 6792968 7054580 7120204 7597240 7667912 8038940 8411230 8491210 8900255 9584890 9876412 10171720 10636136 10934599 11775722 12345515 12460357 13295170 14109160 14240408 16077880 16822460 16982420 17283721 17800510 19169780 19752824 21869198 23551444 24691030 24920714 26590340 29439305 33644920 33964840 34567442 35601020 38339560 41215027 43738396 47102888 49382060 49841428 53180680 54672995 58878610 62301785 69134884 71202040 76542193 82430054 86418605 87476792 98764120 99682856 109345990 117757220 124603570 138269768 153084386 164860108 172837210 206075135 218691980 235514440 249207140 306168772 329720216 345674420 382710965 412150270 437383960 498414280 535795351 612337544 691348840 765421930 824300540 1071590702 1530843860 1648601080 2143181404 2678976755 3061687720 4286362808 5357953510 10715907020 21431814040
- Sum of all divisors σ(n): 63909457920
- Sum of proper divisors (its aliquot sum) s(n): 42477643880
- 21431814040 is an abundant number, because the sum of its proper divisors (42477643880) is greater than itself. Its abundance is 21045829840
Bases of 21431814040
- Binary: 100111111010110111110000111100110002
- Hexadecimal: 0x4FD6F8798
- Base-36: 9UFY5JS
Squares and roots of 21431814040
- 21431814040 squared (214318140402) is 459322653045141121600
- 21431814040 cubed (214318140403) is 9844117684422904243688227264000
-
The
square root of 21431814040 is 146396.0861498695 -
The
cube root of 21431814040 is 2777.7062165361
Scales and comparisons
How big is 21431814040?- 21,431,814,040 seconds is equal to 681 years, 24 weeks, 1 day, 9 hours, 40 minutes, 40 seconds.
-
To count from 1 to 21,431,814,040 would take you about one thousand, three hundred sixty-two 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 21431814040 cubic inches would be around 231.5 feet tall.
Recreational maths with 21431814040
- 21431814040 backwards is 04041813412
- 21431814040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21431814040's digits is 28
- More coming soon!
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