21009606400
21,009,606,400 is an even composite number composed of five prime numbers multiplied together.
21009606400 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 21009606400:
28 × 52 × 172 × 37 × 307
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 17 × 17 × 37 × 307)See below for interesting mathematical facts about the number 21009606400 from the Numbermatics database.
Names of 21009606400
- Cardinal: 21009606400 can be written as Twenty-one billion, nine million, six hundred six thousand, four hundred.
Scientific notation
- Scientific notation: 2.10096064 × 1010
Factors of 21009606400
Divisors of 21009606400
- Number of divisors d(n): 324
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 25 32 34 37 40 50 64 68 74 80 85 100 128 136 148 160 170 185 200 256 272 289 296 307 320 340 370 400 425 544 578 592 614 629 640 680 740 800 850 925 1088 1156 1184 1228 1258 1280 1360 1445 1480 1535 1600 1700 1850 2176 2312 2368 2456 2516 2720 2890 2960 3070 3145 3200 3400 3700 4352 4624 4736 4912 5032 5219 5440 5780 5920 6140 6290 6400 6800 7225 7400 7675 9248 9472 9824 10064 10438 10693 10880 11359 11560 11840 12280 12580 13600 14450 14800 15350 15725 18496 19648 20128 20876 21386 21760 22718 23120 23680 24560 25160 26095 27200 28900 29600 30700 31450 36992 39296 40256 41752 42772 45436 46240 47360 49120 50320 52190 53465 54400 56795 57800 59200 61400 62900 73984 78592 80512 83504 85544 88723 90872 92480 98240 100640 104380 106930 108800 113590 115600 118400 122800 125800 130475 161024 167008 171088 177446 181744 184960 193103 196480 201280 208760 213860 227180 231200 236800 245600 251600 260950 267325 283975 334016 342176 354892 363488 369920 386206 392960 402560 417520 427720 443615 454360 462400 491200 503200 521900 534650 567950 668032 684352 709784 726976 772412 805120 835040 855440 887230 908720 924800 965515 982400 1006400 1043800 1069300 1135900 1336064 1368704 1419568 1453952 1544824 1670080 1710880 1774460 1817440 1849600 1931030 1964800 2012800 2087600 2138600 2218075 2271800 2737408 2839136 2907904 3089648 3282751 3340160 3421760 3548920 3634880 3862060 4025600 4175200 4277200 4436150 4543600 4827575 5678272 6179296 6565502 6680320 6843520 7097840 7269760 7724120 8350400 8554400 8872300 9087200 9655150 11356544 12358592 13131004 13687040 14195680 14539520 15448240 16413755 16700800 17108800 17744600 18174400 19310300 22713088 24717184 26262008 28391360 30896480 32827510 33401600 34217600 35489200 36348800 38620600 49434368 52524016 56782720 61792960 65655020 68435200 70978400 72697600 77241200 82068775 105048032 113565440 123585920 131310040 141956800 154482400 164137550 210096064 247171840 262620080 283913600 308964800 328275100 420192128 525240160 567827200 617929600 656550200 840384256 1050480320 1235859200 1313100400 2100960640 2626200800 4201921280 5252401600 10504803200 21009606400
- Sum of all divisors σ(n): 56918740648
- Sum of proper divisors (its aliquot sum) s(n): 35909134248
- 21009606400 is an abundant number, because the sum of its proper divisors (35909134248) is greater than itself. Its abundance is 14899527848
Bases of 21009606400
- Binary: 100111001000100010100100111000000002
- Hexadecimal: 0x4E4452700
- Base-36: 9NGKS1S
Squares and roots of 21009606400
- 21009606400 squared (210096064002) is 441403561082920960000
- 21009606400 cubed (210096064003) is 9273715081910527131910144000000
-
The
square root of 21009606400 is 144946.9089011559 -
The
cube root of 21009606400 is 2759.3448000151
Scales and comparisons
How big is 21009606400?- 21,009,606,400 seconds is equal to 668 years, 2 weeks, 17 hours, 46 minutes, 40 seconds.
-
To count from 1 to 21,009,606,400 would take you about one thousand, three hundred thirty-six 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 21009606400 cubic inches would be around 229.9 feet tall.
Recreational maths with 21009606400
- 21009606400 backwards is 00460690012
- The number of decimal digits it has is: 11
- The sum of 21009606400's digits is 28
- More coming soon!
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