21207579120
21,207,579,120 is an even composite number composed of seven prime numbers multiplied together.
21207579120 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21207579120:
24 × 32 × 5 × 7 × 13 × 431 × 751
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 431 × 751)See below for interesting mathematical facts about the number 21207579120 from the Numbermatics database.
Names of 21207579120
- Cardinal: 21207579120 can be written as Twenty-one billion, two hundred seven million, five hundred seventy-nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.120757912 × 1010
Factors of 21207579120
Divisors of 21207579120
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 35 36 39 40 42 45 48 52 56 60 63 65 70 72 78 80 84 90 91 104 105 112 117 120 126 130 140 144 156 168 180 182 195 208 210 234 240 252 260 273 280 312 315 336 360 364 390 420 431 455 468 504 520 546 560 585 624 630 720 728 751 780 819 840 862 910 936 1008 1040 1092 1170 1260 1293 1365 1456 1502 1560 1638 1680 1724 1820 1872 2155 2184 2253 2340 2520 2586 2730 3004 3017 3120 3276 3448 3640 3755 3879 4095 4310 4368 4506 4680 5040 5172 5257 5460 5603 6008 6034 6465 6552 6759 6896 7280 7510 7758 8190 8620 9012 9051 9360 9763 10344 10514 10920 11206 11265 12016 12068 12930 13104 13518 15020 15085 15516 15771 16380 16809 17240 18024 18102 19395 19526 20688 21028 21840 22412 22530 24136 25860 26285 27036 27153 28015 29289 30040 30170 31032 31542 32760 33618 33795 34480 36048 36204 38790 39052 39221 42056 44824 45060 45255 47313 48272 48815 50427 51720 52570 54072 54306 56030 58578 60080 60340 62064 63084 65520 67236 67590 68341 72408 77580 78104 78442 78855 84045 84112 87867 89648 90120 90510 94626 97630 100854 103440 105140 108144 108612 112060 117156 117663 120680 126168 134472 135180 135765 136682 144816 146445 155160 156208 156884 157710 168090 175734 180240 181020 189252 195260 196105 201708 205023 210280 217224 224120 234312 235326 236565 241360 252135 252336 268944 270360 271530 273364 292890 310320 313768 315420 323681 336180 341705 351468 352989 362040 378504 390520 392210 403416 410046 420560 434448 439335 448240 468624 470652 473130 504270 540720 543060 546728 585780 588315 615069 627536 630840 647362 672360 683410 702936 705978 724080 757008 781040 784420 806832 820092 878670 941304 946260 971043 1008540 1025115 1086120 1093456 1171560 1176630 1230138 1261680 1294724 1344720 1366820 1405872 1411956 1568840 1618405 1640184 1757340 1764945 1882608 1892520 1942086 2017080 2050230 2172240 2265767 2343120 2353260 2460276 2589448 2733640 2823912 2913129 3075345 3137680 3236810 3280368 3514680 3529890 3785040 3884172 4034160 4100460 4207853 4531534 4706520 4855215 4920552 5178896 5467280 5647824 5826258 6150690 6473620 6797301 7029360 7059780 7768344 8200920 8415706 9063068 9413040 9710430 9841104 11328835 11652516 12301380 12623559 12947240 13594602 14119560 14565645 15536688 16401840 16831412 18126136 19420860 20391903 21039265 22657670 23305032 24602760 25247118 25894480 27189204 28239120 29131290 29454971 33662824 33986505 36252272 37870677 38841720 40783806 42078530 45315340 46610064 49205520 50494236 54378408 58262580 58909942 63117795 67325648 67973010 75741354 77683440 81567612 84157060 88364913 90630680 100988472 101959515 108756816 116525160 117819884 126235590 135946020 147274855 151482708 163135224 168314120 176729826 181261360 189353385 201976944 203919030 233050320 235639768 252471180 265094739 271892040 294549710 302965416 326270448 336628240 353459652 378706770 407838060 441824565 471279536 504942360 530189478 543784080 589099420 605930832 706919304 757413540 815676120 883649130 1009884720 1060378956 1178198840 1325473695 1413838608 1514827080 1631352240 1767298260 2120757912 2356397680 2650947390 3029654160 3534596520 4241515824 5301894780 7069193040 10603789560 21207579120
- Sum of all divisors σ(n): 87978369024
- Sum of proper divisors (its aliquot sum) s(n): 66770789904
- 21207579120 is an abundant number, because the sum of its proper divisors (66770789904) is greater than itself. Its abundance is 45563210784
Bases of 21207579120
- Binary: 100111100000001000111111001111100002
- Hexadecimal: 0x4F011F9F0
- Base-36: 9QQG0S0
Squares and roots of 21207579120
- 21207579120 squared (212075791202) is 449761412131059974400
- 21207579120 cubed (212075791203) is 9538350732892382216553174528000
-
The
square root of 21207579120 is 145628.2222647795 -
The
cube root of 21207579120 is 2767.9847854365
Scales and comparisons
How big is 21207579120?- 21,207,579,120 seconds is equal to 674 years, 17 weeks, 3 days, 2 hours, 12 minutes.
-
To count from 1 to 21,207,579,120 would take you about one thousand, three hundred forty-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 21207579120 cubic inches would be around 230.7 feet tall.
Recreational maths with 21207579120
- 21207579120 backwards is 02197570212
- 21207579120 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21207579120's digits is 36
- More coming soon!
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