21264147840
21,264,147,840 is an even composite number composed of five prime numbers multiplied together.
21264147840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21264147840:
27 × 3 × 5 × 133 × 712
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 13 × 13 × 13 × 71 × 71)See below for interesting mathematical facts about the number 21264147840 from the Numbermatics database.
Names of 21264147840
- Cardinal: 21264147840 can be written as Twenty-one billion, two hundred sixty-four million, one hundred forty-seven thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.126414784 × 1010
Factors of 21264147840
Divisors of 21264147840
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 71 78 80 96 104 120 128 130 142 156 160 169 192 195 208 213 240 260 284 312 320 338 355 384 390 416 426 480 507 520 568 624 640 676 710 780 832 845 852 923 960 1014 1040 1065 1136 1248 1352 1420 1560 1664 1690 1704 1846 1920 2028 2080 2130 2197 2272 2496 2535 2704 2769 2840 3120 3380 3408 3692 4056 4160 4260 4394 4544 4615 4992 5041 5070 5408 5538 5680 6240 6591 6760 6816 7384 8112 8320 8520 8788 9088 9230 10082 10140 10816 10985 11076 11360 11999 12480 13182 13520 13632 13845 14768 15123 16224 17040 17576 18460 20164 20280 21632 21970 22152 22720 23998 24960 25205 26364 27040 27264 27690 29536 30246 32448 32955 34080 35152 35997 36920 40328 40560 43940 44304 45440 47996 50410 52728 54080 55380 59072 59995 60492 64896 65533 65910 68160 70304 71994 73840 75615 80656 81120 87880 88608 95992 100820 105456 108160 110760 118144 119990 120984 131066 131820 136320 140608 143988 147680 151230 155987 161312 162240 175760 177216 179985 191984 196599 201640 210912 221520 239980 241968 262132 263640 281216 287976 295360 302460 311974 322624 324480 327665 351520 354432 359970 383968 393198 403280 421824 443040 467961 479960 483936 524264 527280 575952 590720 604920 623948 645248 655330 703040 719940 767936 779935 786396 806560 843648 851929 886080 935922 959920 967872 982995 1048528 1054560 1151904 1209840 1247896 1310660 1406080 1439880 1535872 1559870 1572792 1613120 1703858 1772160 1871844 1919840 1935744 1965990 2097056 2109120 2303808 2339805 2419680 2495792 2555787 2621320 2879760 3119740 3145584 3226240 3407716 3743688 3839680 3931980 4194112 4218240 4259645 4607616 4679610 4839360 4991584 5111574 5242640 5759520 6239480 6291168 6815432 7487376 7679360 7863960 8388224 8519290 9359220 9678720 9983168 10223148 10485280 11075077 11519040 12478960 12582336 12778935 13630864 14974752 15727920 17038580 18718440 19966336 20446296 20970560 22150154 23038080 24957920 25164672 25557870 27261728 29949504 31455840 33225231 34077160 37436880 40892592 41941120 44300308 49915840 51115740 54523456 55375385 59899008 62911680 66450462 68154320 74873760 81785184 88600616 99831680 102231480 109046912 110750770 125823360 132900924 136308640 149747520 163570368 166126155 177201232 204462960 221501540 265801848 272617280 299495040 327140736 332252310 354402464 408925920 443003080 531603696 545234560 664504620 708804928 817851840 886006160 1063207392 1329009240 1417609856 1635703680 1772012320 2126414784 2658018480 3544024640 4252829568 5316036960 7088049280 10632073920 21264147840
- Sum of all divisors σ(n): 74473912800
- Sum of proper divisors (its aliquot sum) s(n): 53209764960
- 21264147840 is an abundant number, because the sum of its proper divisors (53209764960) is greater than itself. Its abundance is 31945617120
Bases of 21264147840
- Binary: 100111100110111000100100101100000002
- Hexadecimal: 0x4F3712580
- Base-36: 9RO4HHC
Squares and roots of 21264147840
- 21264147840 squared (212641478402) is 452163983361376665600
- 21264147840 cubed (212641478403) is 9614881790119613563244642304000
-
The
square root of 21264147840 is 145822.3159876431 -
The
cube root of 21264147840 is 2770.4436916067
Scales and comparisons
How big is 21264147840?- 21,264,147,840 seconds is equal to 676 years, 6 weeks, 6 days, 19 hours, 44 minutes.
-
To count from 1 to 21,264,147,840 would take you about one thousand, three hundred fifty-two 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 21264147840 cubic inches would be around 230.9 feet tall.
Recreational maths with 21264147840
- 21264147840 backwards is 04874146212
- 21264147840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21264147840's digits is 39
- More coming soon!
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