21084365379
21,084,365,379 is an odd composite number composed of seven prime numbers multiplied together.
21084365379 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21084365379:
3 × 73 × 11 × 17 × 19 × 73 × 79
(3 × 7 × 7 × 7 × 11 × 17 × 19 × 73 × 79)See below for interesting mathematical facts about the number 21084365379 from the Numbermatics database.
Names of 21084365379
- Cardinal: 21084365379 can be written as Twenty-one billion, eighty-four million, three hundred sixty-five thousand, three hundred seventy-nine.
Scientific notation
- Scientific notation: 2.1084365379 × 1010
Factors of 21084365379
Divisors of 21084365379
- Number of divisors d(n): 256
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Complete list of divisors:
1 3 7 11 17 19 21 33 49 51 57 73 77 79 119 133 147 187 209 219 231 237 323 343 357 399 511 539 553 561 627 803 833 869 931 969 1029 1241 1309 1343 1387 1463 1501 1533 1617 1659 2261 2409 2499 2607 2793 3553 3577 3723 3773 3871 3927 4029 4161 4389 4503 5621 5767 5831 6083 6517 6783 8687 9163 9401 9709 10241 10507 10659 10731 11319 11613 13651 14773 15257 15827 16511 16863 17301 17493 18249 19551 23579 24871 25039 25517 26061 27097 27489 28203 29127 30723 31521 39347 40369 40953 42581 44319 45771 47481 49533 60809 63437 64141 65807 67963 70737 71687 73549 74613 75117 76551 81291 95557 98039 103411 106799 109573 110789 115577 118041 121107 127743 165053 174097 178619 182427 190311 192423 197421 203889 215061 220647 259369 275429 280687 282583 286671 294117 298067 310233 320397 328719 332367 346731 425663 444059 460649 475741 495159 514843 522291 535857 668899 686273 723877 747593 767011 778107 809039 826287 842061 847749 894201 1078429 1155371 1205303 1218679 1250333 1276989 1332177 1381947 1427223 1544529 1815583 1862741 1964809 1978081 2006697 2058819 2171631 2242779 2301033 2427117 3108413 3235287 3466113 3615909 3656037 3750999 4682293 4803911 5067139 5233151 5369077 5446749 5588223 5663273 5894427 5934243 7549003 8087597 8437121 8752331 9325239 12709081 13039187 13753663 14046879 14411733 15201417 15699453 16107231 16989819 20490151 21758891 22647009 24262791 25311363 26256993 33627377 37583539 38127243 39117561 41260989 52843021 59059847 61470453 65276673 88963567 91274309 96275641 100882131 112750617 143431057 158529063 177179541 266890701 273822927 288826923 369901147 413418929 430293171 638920163 1004017399 1109703441 1240256787 1916760489 3012052197 7028121793 21084365379
- Sum of all divisors σ(n): 40919040000
- Sum of proper divisors (its aliquot sum) s(n): 19834674621
- 21084365379 is a deficient number, because the sum of its proper divisors (19834674621) is less than itself. Its deficiency is 1249690758
Bases of 21084365379
- Binary: 100111010001011100111100010010000112
- Hexadecimal: 0x4E8B9E243
- Base-36: 9OP34G3
Squares and roots of 21084365379
- 21084365379 squared (210843653792) is 444550463435173813641
- 21084365379 cubed (210843653793) is 9373064400470984167179698334939
-
The
square root of 21084365379 is 145204.5639055469 -
The
cube root of 21084365379 is 2762.6138062873
Scales and comparisons
How big is 21084365379?- 21,084,365,379 seconds is equal to 670 years, 21 weeks, 5 days, 9 minutes, 39 seconds.
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To count from 1 to 21,084,365,379 would take you about one thousand, three hundred forty 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 21084365379 cubic inches would be around 230.2 feet tall.
Recreational maths with 21084365379
- 21084365379 backwards is 97356348012
- The number of decimal digits it has is: 11
- The sum of 21084365379's digits is 48
- More coming soon!
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