21522736872
21,522,736,872 is an even composite number composed of six prime numbers multiplied together.
21522736872 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 21522736872:
23 × 32 × 74 × 13 × 61 × 157
(2 × 2 × 2 × 3 × 3 × 7 × 7 × 7 × 7 × 13 × 61 × 157)See below for interesting mathematical facts about the number 21522736872 from the Numbermatics database.
Names of 21522736872
- Cardinal: 21522736872 can be written as Twenty-one billion, five hundred twenty-two million, seven hundred thirty-six thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.1522736872 × 1010
Factors of 21522736872
Divisors of 21522736872
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 49 52 56 61 63 72 78 84 91 98 104 117 122 126 147 156 157 168 182 183 196 234 244 252 273 294 312 314 343 364 366 392 427 441 468 471 488 504 546 549 588 628 637 686 728 732 793 819 854 882 936 942 1029 1092 1098 1099 1176 1256 1274 1281 1372 1413 1464 1586 1638 1708 1764 1884 1911 2041 2058 2184 2196 2198 2379 2401 2548 2562 2744 2826 2989 3087 3172 3276 3297 3416 3528 3768 3822 3843 4082 4116 4392 4396 4459 4758 4802 5096 5124 5551 5652 5733 5978 6123 6174 6344 6552 6594 7137 7203 7644 7686 7693 8164 8232 8792 8918 8967 9516 9577 9604 9891 10248 11102 11304 11466 11956 12246 12348 13188 13377 14274 14287 14406 15288 15372 15386 16328 16653 17836 17934 18369 19032 19154 19208 19782 20923 21609 22204 22932 23079 23912 24492 24696 26376 26754 26901 28548 28574 28731 28812 30744 30772 31213 33306 35672 35868 36738 38308 38857 39564 40131 41846 42861 43218 44408 45864 46158 48984 49959 53508 53802 53851 57096 57148 57462 57624 61544 62426 62769 66612 67039 69237 71736 73476 76616 77714 79128 80262 83692 85722 86193 86436 92316 93639 99918 100009 107016 107604 107702 114296 114924 116571 124501 124852 125538 128583 133224 134078 138474 146461 146952 155428 160524 161553 167384 171444 172386 172872 184632 187278 188307 199836 200018 201117 215208 215404 229848 233142 249002 249704 251076 257166 268156 271999 276948 280917 292922 300027 310856 321048 323106 342888 344772 349713 373503 374556 376614 376957 399672 400036 402234 430808 439383 466284 469273 484659 498004 502152 514332 536312 543998 553896 561834 585844 600054 603351 646212 689544 699426 700063 747006 749112 753228 753914 800072 804468 815997 871507 878766 900081 932568 938546 969318 996008 1028664 1087996 1120509 1123668 1130871 1171688 1200108 1206702 1292424 1318149 1398852 1400126 1407819 1494012 1506456 1507828 1608936 1631994 1743014 1757532 1800162 1877092 1903993 1938636 2100189 2175992 2241018 2247336 2261742 2400216 2413404 2447991 2614521 2636298 2797704 2800252 2815638 2988024 3015656 3263988 3284911 3392613 3486028 3515064 3600324 3754184 3807986 3877272 4200378 4223457 4482036 4523484 4826808 4895982 4900441 5229042 5272596 5600504 5631276 5711979 6100549 6300567 6527976 6569822 6785226 6972056 7200648 7615972 7843563 8400756 8446914 8964072 9046968 9791964 9800882 9854733 10458084 10545192 11262552 11423958 12201098 12601134 13139644 13570452 14701323 15231944 15687126 16801512 16893828 17135937 18301647 19583928 19601764 19709466 20916168 22847916 22994377 24402196 25202268 26279288 27140904 29402646 29564199 31374252 33787656 34271874 36603294 39203528 39418932 42703843 44103969 45695832 45988754 48804392 50404536 54904941 58805292 59128398 62748504 68543748 68983131 73206588 78837864 85407686 88207938 91977508 109809882 117610584 118256796 128111529 137087496 137966262 146413176 170815372 176415876 183955016 206949393 219619764 236513592 256223058 275932524 298926901 341630744 352831752 384334587 413898786 439239528 512446116 551865048 597853802 768669174 827797572 896780703 1024892232 1195707604 1537338348 1655595144 1793561406 2391415208 2690342109 3074676696 3587122812 5380684218 7174245624 10761368436 21522736872
- Sum of all divisors σ(n): 74907367080
- Sum of proper divisors (its aliquot sum) s(n): 53384630208
- 21522736872 is an abundant number, because the sum of its proper divisors (53384630208) is greater than itself. Its abundance is 31861893336
Bases of 21522736872
- Binary: 101000000101101101011100110111010002
- Hexadecimal: 0x502DAE6E8
- Base-36: 9VY2Y20
Squares and roots of 21522736872
- 21522736872 squared (215227368722) is 463228202461348344384
- 21522736872 cubed (215227368723) is 9969938713265143166509670926848
-
The
square root of 21522736872 is 146706.2945888827 -
The
cube root of 21522736872 is 2781.6287434779
Scales and comparisons
How big is 21522736872?- 21,522,736,872 seconds is equal to 684 years, 18 weeks, 3 days, 18 hours, 1 minute, 12 seconds.
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To count from 1 to 21,522,736,872 would take you about one thousand, three hundred sixty-eight 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 21522736872 cubic inches would be around 231.8 feet tall.
Recreational maths with 21522736872
- 21522736872 backwards is 27863722512
- The number of decimal digits it has is: 11
- The sum of 21522736872's digits is 45
- More coming soon!
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