21243868200
21,243,868,200 is an even composite number composed of five prime numbers multiplied together.
21243868200 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 21243868200:
23 × 32 × 52 × 373 × 233
(2 × 2 × 2 × 3 × 3 × 5 × 5 × 37 × 37 × 37 × 233)See below for interesting mathematical facts about the number 21243868200 from the Numbermatics database.
Names of 21243868200
- Cardinal: 21243868200 can be written as Twenty-one billion, two hundred forty-three million, eight hundred sixty-eight thousand, two hundred.
Scientific notation
- Scientific notation: 2.12438682 × 1010
Factors of 21243868200
Divisors of 21243868200
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 37 40 45 50 60 72 74 75 90 100 111 120 148 150 180 185 200 222 225 233 296 300 333 360 370 444 450 466 555 600 666 699 740 888 900 925 932 1110 1165 1332 1369 1398 1480 1665 1800 1850 1864 2097 2220 2330 2664 2738 2775 2796 3330 3495 3700 4107 4194 4440 4660 5476 5550 5592 5825 6660 6845 6990 7400 8214 8325 8388 8621 9320 10485 10952 11100 11650 12321 13320 13690 13980 16428 16650 16776 17242 17475 20535 20970 22200 23300 24642 25863 27380 27960 32856 33300 34225 34484 34950 41070 41940 43105 46600 49284 50653 51726 52425 54760 61605 66600 68450 68968 69900 77589 82140 83880 86210 98568 101306 102675 103452 104850 123210 129315 136900 139800 151959 155178 164280 172420 202612 205350 206904 209700 215525 246420 253265 258630 273800 303918 308025 310356 318977 344840 387945 405224 410700 419400 431050 455877 492840 506530 517260 607836 616050 620712 637954 646575 759795 775890 821400 862100 911754 956931 1013060 1034520 1215672 1232100 1266325 1275908 1293150 1519590 1551780 1594885 1724200 1823508 1913862 1939725 2026120 2279385 2464200 2532650 2551816 2586300 2870793 3039180 3103560 3189770 3647016 3798975 3827724 3879450 4558770 4784655 5065300 5172600 5741586 6078360 6379540 7597950 7655448 7758900 7974425 9117540 9569310 10130600 11396925 11483172 11802149 12759080 14353965 15195900 15517800 15948850 18235080 19138620 22793850 22966344 23604298 23923275 28707930 30391800 31897700 35406447 38277240 45587700 47208596 47846550 57415860 59010745 63795400 70812894 71769825 91175400 94417192 95693100 106219341 114831720 118021490 141625788 143539650 177032235 191386200 212438682 236042980 283251576 287079300 295053725 354064470 424877364 472085960 531096705 574158600 590107450 708128940 849754728 885161175 1062193410 1180214900 1416257880 1770322350 2124386820 2360429800 2655483525 3540644700 4248773640 5310967050 7081289400 10621934100 21243868200
- Sum of all divisors σ(n): 73640431800
- Sum of proper divisors (its aliquot sum) s(n): 52396563600
- 21243868200 is an abundant number, because the sum of its proper divisors (52396563600) is greater than itself. Its abundance is 31152695400
Bases of 21243868200
- Binary: 100111100100011101110110100001010002
- Hexadecimal: 0x4F23BB428
- Base-36: 9RC1TM0
Squares and roots of 21243868200
- 21243868200 squared (212438682002) is 451301936098971240000
- 21243868200 cubed (212438682003) is 9587398848891367178150568000000
-
The
square root of 21243868200 is 145752.7639532095 -
The
cube root of 21243868200 is 2769.5626864615
Scales and comparisons
How big is 21243868200?- 21,243,868,200 seconds is equal to 675 years, 25 weeks, 3 days, 2 hours, 30 minutes.
-
To count from 1 to 21,243,868,200 would take you about one thousand, three hundred fifty 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 21243868200 cubic inches would be around 230.8 feet tall.
Recreational maths with 21243868200
- 21243868200 backwards is 00286834212
- 21243868200 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21243868200's digits is 36
- More coming soon!
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