21041605872
21,041,605,872 is an even composite number composed of five prime numbers multiplied together.
21041605872 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred divisors.
Prime factorization of 21041605872:
24 × 34 × 72 × 127 × 2609
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 7 × 7 × 127 × 2609)See below for interesting mathematical facts about the number 21041605872 from the Numbermatics database.
Names of 21041605872
- Cardinal: 21041605872 can be written as Twenty-one billion, forty-one million, six hundred five thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.1041605872 × 1010
Factors of 21041605872
Divisors of 21041605872
- Number of divisors d(n): 300
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 63 72 81 84 98 108 112 126 127 144 147 162 168 189 196 216 252 254 294 324 336 378 381 392 432 441 504 508 567 588 648 756 762 784 882 889 1008 1016 1134 1143 1176 1296 1323 1512 1524 1764 1778 2032 2268 2286 2352 2609 2646 2667 3024 3048 3429 3528 3556 3969 4536 4572 5218 5292 5334 6096 6223 6858 7056 7112 7827 7938 8001 9072 9144 10287 10436 10584 10668 12446 13716 14224 15654 15876 16002 18263 18288 18669 20574 20872 21168 21336 23481 24003 24892 27432 31308 31752 32004 36526 37338 41148 41744 42672 46962 48006 49784 54789 54864 56007 62616 63504 64008 70443 72009 73052 74676 82296 93924 96012 99568 109578 112014 125232 127841 128016 140886 144018 146104 149352 164367 164592 168021 187848 192024 211329 219156 224028 255682 281772 288036 292208 298704 328734 331343 336042 375696 383523 384048 422658 438312 448056 493101 504063 511364 563544 576072 657468 662686 672084 767046 845316 876624 896112 986202 994029 1008126 1022728 1127088 1150569 1152144 1314936 1325372 1344168 1479303 1534092 1690632 1972404 1988058 2016252 2045456 2301138 2319401 2629872 2650744 2688336 2958606 2982087 3068184 3381264 3451707 3944808 3976116 4032504 4602276 4638802 5301488 5917212 5964174 6136368 6903414 6958203 7889616 7952232 8065008 8946261 9204552 9277604 10355121 11834424 11928348 13806828 13916406 15904464 16235807 17892522 18409104 18555208 20710242 20874609 23668848 23856696 26838783 27613656 27832812 32471614 35785044 37110416 41420484 41749218 47713392 48707421 53677566 55227312 55665624 62623827 64943228 71570088 82840968 83498436 97414842 107355132 111331248 125247654 129886456 143140176 146122263 165681936 166996872 187871481 194829684 214710264 250495308 259772912 292244526 333993744 375742962 389659368 429420528 438366789 500990616 584489052 751485924 779318736 876733578 1001981232 1168978104 1315100367 1502971848 1753467156 2337956208 2630200734 3005943696 3506934312 5260401468 7013868624 10520802936 21041605872
- Sum of all divisors σ(n): 71428642560
- Sum of proper divisors (its aliquot sum) s(n): 50387036688
- 21041605872 is an abundant number, because the sum of its proper divisors (50387036688) is greater than itself. Its abundance is 29345430816
Bases of 21041605872
- Binary: 100111001100010110101101100111100002
- Hexadecimal: 0x4E62D6CF0
- Base-36: 9NZMN00
Squares and roots of 21041605872
- 21041605872 squared (210416058722) is 442749177672584880384
- 21041605872 cubed (210416058723) is 9316153696738633312506392014848
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The
square root of 21041605872 is 145057.2503255181 -
The
cube root of 21041605872 is 2760.7449973753
Scales and comparisons
How big is 21041605872?- 21,041,605,872 seconds is equal to 669 years, 3 weeks, 2 hours, 31 minutes, 12 seconds.
-
To count from 1 to 21,041,605,872 would take you about one thousand, three 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 21041605872 cubic inches would be around 230.1 feet tall.
Recreational maths with 21041605872
- 21041605872 backwards is 27850614012
- 21041605872 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21041605872's digits is 36
- More coming soon!
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