21216713472
21,216,713,472 is an even composite number composed of five prime numbers multiplied together.
21216713472 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21216713472:
28 × 32 × 31 × 127 × 2339
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 31 × 127 × 2339)See below for interesting mathematical facts about the number 21216713472 from the Numbermatics database.
Names of 21216713472
- Cardinal: 21216713472 can be written as Twenty-one billion, two hundred sixteen million, seven hundred thirteen thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 2.1216713472 × 1010
Factors of 21216713472
Divisors of 21216713472
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 64 72 93 96 124 127 128 144 186 192 248 254 256 279 288 372 381 384 496 508 558 576 744 762 768 992 1016 1116 1143 1152 1488 1524 1984 2032 2232 2286 2304 2339 2976 3048 3937 3968 4064 4464 4572 4678 5952 6096 7017 7874 7936 8128 8928 9144 9356 11811 11904 12192 14034 15748 16256 17856 18288 18712 21051 23622 23808 24384 28068 31496 32512 35433 35712 36576 37424 42102 47244 48768 56136 62992 70866 71424 72509 73152 74848 84204 94488 97536 112272 125984 141732 145018 146304 149696 168408 188976 217527 224544 251968 283464 290036 292608 297053 299392 336816 377952 435054 449088 503936 566928 580072 594106 598784 652581 673632 755904 870108 891159 898176 1007872 1133856 1160144 1188212 1305162 1347264 1511808 1740216 1782318 1796352 2267712 2320288 2376424 2610324 2673477 2694528 3023616 3480432 3564636 4535424 4640576 4752848 5220648 5346954 5389056 6960864 7129272 9070848 9208643 9281152 9505696 10441296 10693908 13921728 14258544 18417286 18562304 19011392 20882592 21387816 27625929 27843456 28517088 36834572 38022784 41765184 42775632 55251858 55686912 57034176 73669144 76045568 82877787 83530368 85551264 110503716 114068352 147338288 165755574 167060736 171102528 221007432 228136704 294676576 331511148 342205056 442014864 589353152 663022296 684410112 884029728 1178706304 1326044592 1768059456 2357412608 2652089184 3536118912 5304178368 7072237824 10608356736 21216713472
- Sum of all divisors σ(n): 63670763520
- Sum of proper divisors (its aliquot sum) s(n): 42454050048
- 21216713472 is an abundant number, because the sum of its proper divisors (42454050048) is greater than itself. Its abundance is 21237336576
Bases of 21216713472
- Binary: 100111100001001110101011011000000002
- Hexadecimal: 0x4F09D5B00
- Base-36: 9QVVSW0
Squares and roots of 21216713472
- 21216713472 squared (212167134722) is 450148930552946294784
- 21216713472 cubed (212167134723) is 9550680879269088061836176130048
-
The
square root of 21216713472 is 145659.5807765489 -
The
cube root of 21216713472 is 2768.3821295195
Scales and comparisons
How big is 21216713472?- 21,216,713,472 seconds is equal to 674 years, 32 weeks, 3 days, 19 hours, 31 minutes, 12 seconds.
-
To count from 1 to 21,216,713,472 would take you about one thousand, three hundred forty-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 21216713472 cubic inches would be around 230.7 feet tall.
Recreational maths with 21216713472
- 21216713472 backwards is 27431761212
- 21216713472 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21216713472's digits is 36
- More coming soon!
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