21442839120
21,442,839,120 is an even composite number composed of six prime numbers multiplied together.
21442839120 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21442839120:
24 × 32 × 5 × 19 × 449 × 3491
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 19 × 449 × 3491)See below for interesting mathematical facts about the number 21442839120 from the Numbermatics database.
Names of 21442839120
- Cardinal: 21442839120 can be written as Twenty-one billion, four hundred forty-two million, eight hundred thirty-nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.144283912 × 1010
Factors of 21442839120
Divisors of 21442839120
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 36 38 40 45 48 57 60 72 76 80 90 95 114 120 144 152 171 180 190 228 240 285 304 342 360 380 449 456 570 684 720 760 855 898 912 1140 1347 1368 1520 1710 1796 2245 2280 2694 2736 3420 3491 3592 4041 4490 4560 5388 6735 6840 6982 7184 8082 8531 8980 10473 10776 13470 13680 13964 16164 17062 17455 17960 20205 20946 21552 25593 26940 27928 31419 32328 34124 34910 35920 40410 41892 42655 51186 52365 53880 55856 62838 64656 66329 68248 69820 76779 80820 83784 85310 102372 104730 107760 125676 127965 132658 136496 139640 153558 157095 161640 167568 170620 198987 204744 209460 251352 255930 265316 279280 307116 314190 323280 331645 341240 383895 397974 409488 418920 502704 511860 530632 596961 614232 628380 663290 682480 767790 795948 837840 994935 1023720 1061264 1193922 1228464 1256760 1326580 1535580 1567459 1591896 1989870 2047440 2387844 2513520 2653160 2984805 3071160 3134918 3183792 3979740 4702377 4775688 5306320 5969610 6142320 6269836 7837295 7959480 9404754 9551376 11939220 12539672 14107131 15674590 15918960 18809508 23511885 23878440 25079344 28214262 29781721 31349180 37619016 47023770 47756880 56428524 59563442 62698360 70535655 75238032 89345163 94047540 112857048 119126884 125396720 141071310 148908605 178690326 188095080 225714096 238253768 268035489 282142620 297817210 357380652 376190160 446725815 476507536 536070978 564285240 595634420 714761304 893451630 1072141956 1128570480 1191268840 1340177445 1429522608 1786903260 2144283912 2382537680 2680354890 3573806520 4288567824 5360709780 7147613040 10721419560 21442839120
- Sum of all divisors σ(n): 75992904000
- Sum of proper divisors (its aliquot sum) s(n): 54550064880
- 21442839120 is an abundant number, because the sum of its proper divisors (54550064880) is greater than itself. Its abundance is 33107225760
Bases of 21442839120
- Binary: 100111111100001011111000010010100002
- Hexadecimal: 0x4FE17C250
- Base-36: 9UMIGK0
Squares and roots of 21442839120
- 21442839120 squared (214428391202) is 459795349526202374400
- 21442839120 cubed (214428391203) is 9859317708014525738821206528000
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The
square root of 21442839120 is 146433.7362768567 -
The
cube root of 21442839120 is 2778.1824428817
Scales and comparisons
How big is 21442839120?- 21,442,839,120 seconds is equal to 681 years, 42 weeks, 3 days, 12 minutes.
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To count from 1 to 21,442,839,120 would take you about one thousand, three hundred sixty-three 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 21442839120 cubic inches would be around 231.5 feet tall.
Recreational maths with 21442839120
- 21442839120 backwards is 02193824412
- 21442839120 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21442839120's digits is 36
- More coming soon!
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