21355996800
21,355,996,800 is an even composite number composed of five prime numbers multiplied together.
21355996800 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21355996800:
27 × 3 × 52 × 23 × 3112
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 23 × 311 × 311)See below for interesting mathematical facts about the number 21355996800 from the Numbermatics database.
Names of 21355996800
- Cardinal: 21355996800 can be written as Twenty-one billion, three hundred fifty-five million, nine hundred ninety-six thousand, eight hundred.
Scientific notation
- Scientific notation: 2.13559968 × 1010
Factors of 21355996800
Divisors of 21355996800
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 23 24 25 30 32 40 46 48 50 60 64 69 75 80 92 96 100 115 120 128 138 150 160 184 192 200 230 240 276 300 311 320 345 368 384 400 460 480 552 575 600 622 640 690 736 800 920 933 960 1104 1150 1200 1244 1380 1472 1555 1600 1725 1840 1866 1920 2208 2300 2400 2488 2760 2944 3110 3200 3450 3680 3732 4416 4600 4665 4800 4976 5520 6220 6900 7153 7360 7464 7775 8832 9200 9330 9600 9952 11040 12440 13800 14306 14720 14928 15550 18400 18660 19904 21459 22080 23325 24880 27600 28612 29856 31100 35765 36800 37320 39808 42918 44160 46650 49760 55200 57224 59712 62200 71530 73600 74640 85836 93300 96721 99520 107295 110400 114448 119424 124400 143060 149280 171672 178825 186600 193442 199040 214590 220800 228896 248800 286120 290163 298560 343344 357650 373200 386884 429180 457792 483605 497600 536475 572240 580326 597120 686688 715300 746400 773768 858360 915584 967210 995200 1072950 1144480 1160652 1373376 1430600 1450815 1492800 1547536 1716720 1934420 2145900 2224583 2288960 2321304 2418025 2746752 2861200 2901630 2985600 3095072 3433440 3868840 4291800 4449166 4577920 4642608 4836050 5722400 5803260 6190144 6673749 6866880 7254075 7737680 8583600 8898332 9285216 9672100 11122915 11444800 11606520 12380288 13347498 13733760 14508150 15475360 17167200 17796664 18570432 19344200 22245830 22889600 23213040 26694996 29016300 30950720 33368745 34334400 35593328 37140864 38688400 44491660 46426080 53389992 55614575 58032600 61901440 66737490 68668800 71186656 77376800 88983320 92852160 106779984 111229150 116065200 133474980 142373312 154753600 166843725 177966640 185704320 213559968 222458300 232130400 266949960 284746624 309507200 333687450 355933280 427119936 444916600 464260800 533899920 667374900 711866560 854239872 889833200 928521600 1067799840 1334749800 1423733120 1779666400 2135599680 2669499600 3559332800 4271199360 5338999200 7118665600 10677998400 21355996800
- Sum of all divisors σ(n): 73636403040
- Sum of proper divisors (its aliquot sum) s(n): 52280406240
- 21355996800 is an abundant number, because the sum of its proper divisors (52280406240) is greater than itself. Its abundance is 30924409440
Bases of 21355996800
- Binary: 100111110001110101010100110100000002
- Hexadecimal: 0x4F8EAA680
- Base-36: 9T6T4LC
Squares and roots of 21355996800
- 21355996800 squared (213559968002) is 456078599321610240000
- 21355996800 cubed (213559968003) is 9740013107660790456287232000000
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The
square root of 21355996800 is 146136.9111484159 -
The
cube root of 21355996800 is 2774.4268729545
Scales and comparisons
How big is 21355996800?- 21,355,996,800 seconds is equal to 679 years, 2 weeks, 5 days, 21 hours, 20 minutes.
-
To count from 1 to 21,355,996,800 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 21355996800 cubic inches would be around 231.2 feet tall.
Recreational maths with 21355996800
- 21355996800 backwards is 00869955312
- 21355996800 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21355996800's digits is 48
- More coming soon!
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