21107820800
21,107,820,800 is an even composite number composed of five prime numbers multiplied together.
21107820800 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 21107820800:
28 × 52 × 112 × 97 × 281
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 11 × 11 × 97 × 281)See below for interesting mathematical facts about the number 21107820800 from the Numbermatics database.
Names of 21107820800
- Cardinal: 21107820800 can be written as Twenty-one billion, one hundred seven million, eight hundred twenty thousand, eight hundred.
Scientific notation
- Scientific notation: 2.11078208 × 1010
Factors of 21107820800
Divisors of 21107820800
- Number of divisors d(n): 324
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 97 100 110 121 128 160 176 194 200 220 242 256 275 281 320 352 388 400 440 484 485 550 562 605 640 704 776 800 880 968 970 1067 1100 1124 1210 1280 1405 1408 1552 1600 1760 1936 1940 2134 2200 2248 2420 2425 2810 2816 3025 3091 3104 3200 3520 3872 3880 4268 4400 4496 4840 4850 5335 5620 6050 6182 6208 6400 7025 7040 7744 7760 8536 8800 8992 9680 9700 10670 11240 11737 12100 12364 12416 14050 14080 15455 15488 15520 17072 17600 17984 19360 19400 21340 22480 23474 24200 24728 24832 26675 27257 28100 30910 30976 31040 34001 34144 35200 35968 38720 38800 42680 44960 46948 48400 49456 53350 54514 56200 58685 61820 62080 68002 68288 70400 71936 77275 77440 77600 85360 89920 93896 96800 98912 106700 109028 112400 117370 123640 124160 136004 136285 136576 154550 154880 155200 170005 170720 179840 187792 193600 197824 213400 218056 224800 234740 247280 272008 272570 273152 293425 299827 309100 310400 340010 341440 359680 375584 387200 395648 426800 436112 449600 469480 494560 544016 545140 586850 599654 618200 620800 680020 681425 682880 751168 774400 791296 850025 853600 872224 899200 938960 989120 1088032 1090280 1173700 1199308 1236400 1360040 1362850 1365760 1499135 1502336 1700050 1707200 1744448 1798400 1877920 1978240 2176064 2180560 2347400 2398616 2472800 2720080 2725700 2998270 3004672 3298097 3400100 3414400 3488896 3755840 3956480 4352128 4361120 4694800 4797232 4945600 5440160 5451400 5996540 6596194 6800200 6828800 6977792 7495675 7511680 8704256 8722240 9389600 9594464 9891200 10880320 10902800 11993080 13192388 13600400 14991350 15023360 16490485 17444480 18779200 19188928 19782400 21760640 21805600 23986160 26384776 27200800 29982700 32980970 34888960 37558400 38377856 43521280 43611200 47972320 52769552 54401600 59965400 65961940 75116800 76755712 82452425 87222400 95944640 105539104 108803200 119930800 131923880 164904850 174444800 191889280 211078208 217606400 239861600 263847760 329809700 383778560 422156416 479723200 527695520 659619400 844312832 959446400 1055391040 1319238800 1918892800 2110782080 2638477600 4221564160 5276955200 10553910400 21107820800
- Sum of all divisors σ(n): 58224989508
- Sum of proper divisors (its aliquot sum) s(n): 37117168708
- 21107820800 is an abundant number, because the sum of its proper divisors (37117168708) is greater than itself. Its abundance is 16009347908
Bases of 21107820800
- Binary: 100111010100001111111001001000000002
- Hexadecimal: 0x4EA1FC900
- Base-36: 9P31URK
Squares and roots of 21107820800
- 21107820800 squared (211078208002) is 445540098924912640000
- 21107820800 cubed (211078208003) is 9404380567321328660774912000000
-
The
square root of 21107820800 is 145285.3082730667 -
The
cube root of 21107820800 is 2763.6378550735
Scales and comparisons
How big is 21107820800?- 21,107,820,800 seconds is equal to 671 years, 8 weeks, 3 days, 11 hours, 33 minutes, 20 seconds.
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To count from 1 to 21,107,820,800 would take you about one thousand, three hundred forty-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 21107820800 cubic inches would be around 230.3 feet tall.
Recreational maths with 21107820800
- 21107820800 backwards is 00802870112
- The number of decimal digits it has is: 11
- The sum of 21107820800's digits is 29
- More coming soon!
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