21356248368
21,356,248,368 is an even composite number composed of seven prime numbers multiplied together.
What does the number 21356248368 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 320 divisors.
21356248368 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21356248368:
24 × 3 × 7 × 13 × 17 × 19 × 15137
(2 × 2 × 2 × 2 × 3 × 7 × 13 × 17 × 19 × 15137)See below for interesting mathematical facts about the number 21356248368 from the Numbermatics database.
Names of 21356248368
- Cardinal: 21356248368 can be written as Twenty-one billion, three hundred fifty-six million, two hundred forty-eight thousand, three hundred sixty-eight.
Scientific notation
- Scientific notation: 2.1356248368 × 1010
Factors of 21356248368
Divisors of 21356248368
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 17 19 21 24 26 28 34 38 39 42 48 51 52 56 57 68 76 78 84 91 102 104 112 114 119 133 136 152 156 168 182 204 208 221 228 238 247 266 272 273 304 312 323 336 357 364 399 408 442 456 476 494 532 546 624 646 663 714 728 741 798 816 884 912 952 969 988 1064 1092 1292 1326 1428 1456 1482 1547 1596 1729 1768 1904 1938 1976 2128 2184 2261 2584 2652 2856 2964 3094 3192 3458 3536 3876 3952 4199 4368 4522 4641 5168 5187 5304 5712 5928 6188 6384 6783 6916 7752 8398 9044 9282 10374 10608 11856 12376 12597 13566 13832 15137 15504 16796 18088 18564 20748 24752 25194 27132 27664 29393 30274 33592 36176 37128 41496 45411 50388 54264 58786 60548 67184 74256 82992 88179 90822 100776 105959 108528 117572 121096 176358 181644 196781 201552 211918 235144 242192 257329 287603 317877 352716 363288 393562 423836 470288 514658 575206 590343 635754 705432 726576 771987 787124 847672 862809 1029316 1150412 1180686 1271508 1377467 1410864 1543974 1574248 1695344 1725618 1801303 2013221 2058632 2300824 2361372 2543016 2754934 3087948 3148496 3345277 3451236 3602606 3738839 4026442 4117264 4132401 4601648 4722744 4889251 5086032 5403909 5509868 6039663 6175896 6690554 6902472 7205212 7477678 8052884 8264802 9445488 9778502 10035831 10807818 11019736 11216517 12079326 12351792 13381108 13804944 14410424 14667753 14955356 16105768 16529604 19557004 20071662 21615636 22039472 22433034 23416939 24158652 26171873 26762216 28820848 29335506 29910712 32211536 33059208 34224757 39114008 40143324 43231272 44866068 46833878 48317304 52343746 53524432 58671012 59821424 63560263 66118416 68449514 70250817 78228016 78515619 80286648 86462544 89732136 93667756 96634608 102674271 104687492 117342024 127120526 136899028 140501634 157031238 160573296 179464272 187335512 190680789 205348542 209374984 234684048 254241052 273798056 281003268 314062476 374671024 381361578 410697084 418749968 444921841 508482104 547596112 562006536 628124952 762723156 821394168 889843682 1016964208 1124013072 1256249904 1334765523 1525446312 1642788336 1779687364 2669531046 3050892624 3559374728 5339062092 7118749456 10678124184 21356248368
- Sum of all divisors σ(n): 75685155840
- Sum of proper divisors (its aliquot sum) s(n): 54328907472
- 21356248368 is an abundant number, because the sum of its proper divisors (54328907472) is greater than itself. Its abundance is 32972659104
Bases of 21356248368
- Binary: 100111110001110111001111101001100002
- Hexadecimal: 0x4F8EE7D30
- Base-36: 9T6YIPC
Squares and roots of 21356248368
- 21356248368 squared (213562483682) is 456089344355702663424
- 21356248368 cubed (213562483683) is 9740357316058665017242053292032
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The
square root of 21356248368 is 146137.7718729829 -
The
cube root of 21356248368 is 2774.4377669169
Scales and comparisons
How big is 21356248368?- 21,356,248,368 seconds is equal to 679 years, 3 weeks, 1 day, 19 hours, 12 minutes, 48 seconds.
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To count from 1 to 21,356,248,368 would take you about one thousand, three hundred fifty-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 21356248368 cubic inches would be around 231.2 feet tall.
Recreational maths with 21356248368
- 21356248368 backwards is 86384265312
- 21356248368 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21356248368's digits is 48
- More coming soon!
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