2171028720
2,171,028,720 is an even composite number composed of seven prime numbers multiplied together.
2171028720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 2171028720:
24 × 3 × 5 × 7 × 41 × 43 × 733
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 41 × 43 × 733)See below for interesting mathematical facts about the number 2171028720 from the Numbermatics database.
Names of 2171028720
- Cardinal: 2171028720 can be written as Two billion, one hundred seventy-one million, twenty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.17102872 × 109
Factors of 2171028720
Divisors of 2171028720
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 41 42 43 48 56 60 70 80 82 84 86 105 112 120 123 129 140 164 168 172 205 210 215 240 246 258 280 287 301 328 336 344 410 420 430 492 516 560 574 602 615 645 656 688 733 820 840 860 861 903 984 1032 1148 1204 1230 1290 1435 1466 1505 1640 1680 1720 1722 1763 1806 1968 2064 2199 2296 2408 2460 2580 2870 2932 3010 3280 3440 3444 3526 3612 3665 4305 4398 4515 4592 4816 4920 5131 5160 5289 5740 5864 6020 6888 7052 7224 7330 8610 8796 8815 9030 9840 10262 10320 10578 10995 11480 11728 12040 12341 13776 14104 14448 14660 15393 17220 17592 17630 18060 20524 21156 21990 22960 24080 24682 25655 26445 28208 29320 30053 30786 31519 34440 35184 35260 36120 37023 41048 42312 43980 49364 51310 52890 58640 60106 61572 61705 63038 68880 70520 72240 74046 76965 82096 84624 87960 90159 94557 98728 102620 105780 120212 123144 123410 126076 141040 148092 150265 153930 157595 175920 180318 185115 189114 197456 205240 210371 211560 220633 240424 246288 246820 252152 296184 300530 307860 315190 360636 370230 378228 410480 420742 423120 441266 450795 472785 480848 493640 504304 592368 601060 615720 630380 631113 661899 721272 740460 756456 841484 882532 901590 945570 987280 1051855 1103165 1202120 1231440 1260760 1262226 1292279 1323798 1442544 1480920 1512912 1682968 1765064 1803180 1891140 2103710 2206330 2404240 2521520 2524452 2584558 2647596 2961840 3155565 3309495 3365936 3530128 3606360 3782280 3876837 4207420 4412660 5048904 5169116 5295192 6311130 6461395 6618990 7212720 7564560 7753674 8414840 8825320 9045953 10097808 10338232 10590384 12622260 12922790 13237980 15507348 16829680 17650640 18091906 19384185 20676464 25244520 25845580 26475960 27137859 31014696 36183812 38768370 45229765 50489040 51691160 52951920 54275718 62029392 72367624 77536740 90459530 103382320 108551436 135689295 144735248 155073480 180919060 217102872 271378590 310146960 361838120 434205744 542757180 723676240 1085514360 2171028720
- Sum of all divisors σ(n): 8073483264
- Sum of proper divisors (its aliquot sum) s(n): 5902454544
- 2171028720 is an abundant number, because the sum of its proper divisors (5902454544) is greater than itself. Its abundance is 3731425824
Bases of 2171028720
- Binary: 100000010110011101000100111100002
- Hexadecimal: 0x816744F0
- Base-36: ZWKOHC
Squares and roots of 2171028720
- 2171028720 squared (21710287202) is 4713365703064838400
- 2171028720 cubed (21710287203) is 10232852309216756188558848000
-
The
square root of 2171028720 is 46594.2992221151 -
The
cube root of 2171028720 is 1294.8571410117
Scales and comparisons
How big is 2171028720?- 2,171,028,720 seconds is equal to 69 years, 1 week, 4 days, 15 hours, 32 minutes.
-
To count from 1 to 2,171,028,720 would take you about one hundred thirty-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 2171028720 cubic inches would be around 107.9 feet tall.
Recreational maths with 2171028720
- 2171028720 backwards is 0278201712
- 2171028720 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 2171028720's digits is 30
- More coming soon!
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