21378409472
21,378,409,472 is an even composite number composed of six prime numbers multiplied together.
21378409472 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred fifty-two divisors.
Prime factorization of 21378409472:
210 × 7 × 23 × 31 × 47 × 89
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 23 × 31 × 47 × 89)See below for interesting mathematical facts about the number 21378409472 from the Numbermatics database.
Names of 21378409472
- Cardinal: 21378409472 can be written as Twenty-one billion, three hundred seventy-eight million, four hundred nine thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 2.1378409472 × 1010
Factors of 21378409472
Divisors of 21378409472
- Number of divisors d(n): 352
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Complete list of divisors:
1 2 4 7 8 14 16 23 28 31 32 46 47 56 62 64 89 92 94 112 124 128 161 178 184 188 217 224 248 256 322 329 356 368 376 434 448 496 512 623 644 658 712 713 736 752 868 896 992 1024 1081 1246 1288 1316 1424 1426 1457 1472 1504 1736 1792 1984 2047 2162 2492 2576 2632 2759 2848 2852 2914 2944 3008 3472 3584 3968 4094 4183 4324 4984 4991 5152 5264 5518 5696 5704 5828 5888 6016 6944 7168 7567 7936 8188 8366 8648 9968 9982 10199 10304 10528 11036 11392 11408 11656 11776 12032 13888 14329 15134 15872 16376 16732 17296 19313 19936 19964 20398 20608 21056 22072 22784 22816 23312 23552 24064 27776 28658 29281 30268 31744 32752 33464 33511 34592 38626 39872 39928 40796 41216 42112 44144 45568 45632 46624 48128 55552 57316 58562 60536 63457 65504 66928 67022 69184 77252 79744 79856 81592 82432 84224 88288 91136 91264 93248 96209 111104 114632 117124 121072 126914 129673 131008 133856 134044 138368 154504 159488 159712 163184 164864 168448 176576 182528 186496 192418 222208 229264 234248 234577 242144 253828 259346 262016 267712 268088 276736 309008 318976 319424 326368 336896 353152 365056 372992 384836 444199 458528 468496 469154 484288 507656 518692 524032 535424 536176 553472 618016 637952 638848 652736 673463 706304 730112 745984 769672 888398 907711 917056 936992 938308 968576 1015312 1037384 1048064 1070848 1072352 1106944 1236032 1277696 1305472 1346926 1412608 1491968 1539344 1776796 1815422 1834112 1873984 1876616 1937152 2030624 2074768 2096128 2141696 2144704 2472064 2555392 2610944 2693852 2825216 2982479 3078688 3553592 3630844 3668224 3747968 3753232 3874304 4061248 4149536 4283392 4289408 4944128 5110784 5221888 5387704 5964958 6157376 7107184 7261688 7336448 7495936 7506464 7748608 8122496 8299072 8578816 9888256 10443776 10775408 11929916 12314752 14214368 14523376 14672896 14991872 15012928 16244992 16598144 17157632 19776512 20877353 21550816 23859832 24629504 28428736 29046752 29983744 30025856 32489984 33196288 34315264 41754706 43101632 47719664 49259008 56857472 58093504 60051712 64979968 66392576 83509412 86203264 95439328 98518016 113714944 116187008 120103424 132785152 167018824 172406528 190878656 227429888 232374016 240206848 334037648 344813056 381757312 454859776 464748032 668075296 689626112 763514624 929496064 1336150592 1527029248 2672301184 3054058496 5344602368 10689204736 21378409472
- Sum of all divisors σ(n): 54331637760
- Sum of proper divisors (its aliquot sum) s(n): 32953228288
- 21378409472 is an abundant number, because the sum of its proper divisors (32953228288) is greater than itself. Its abundance is 11574818816
Bases of 21378409472
- Binary: 100111110100100000010100100000000002
- Hexadecimal: 0x4FA40A400
- Base-36: 9TK5IBK
Squares and roots of 21378409472
- 21378409472 squared (213784094722) is 457036391552499318784
- 21378409472 cubed (213784094723) is 9770711122214652221965413122048
-
The
square root of 21378409472 is 146213.5748554147 -
The
cube root of 21378409472 is 2775.3971012817
Scales and comparisons
How big is 21378409472?- 21,378,409,472 seconds is equal to 679 years, 39 weeks, 6 days, 7 hours, 4 minutes, 32 seconds.
-
To count from 1 to 21,378,409,472 would take you about one thousand, three hundred fifty-nine 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 21378409472 cubic inches would be around 231.3 feet tall.
Recreational maths with 21378409472
- 21378409472 backwards is 27490487312
- 21378409472 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21378409472's digits is 47
- More coming soon!
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The information we have on file for 21378409472 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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