21422939904
21,422,939,904 is an even composite number composed of five prime numbers multiplied together.
21422939904 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21422939904:
28 × 32 × 47 × 181 × 1093
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 47 × 181 × 1093)See below for interesting mathematical facts about the number 21422939904 from the Numbermatics database.
Names of 21422939904
- Cardinal: 21422939904 can be written as Twenty-one billion, four hundred twenty-two million, nine hundred thirty-nine thousand, nine hundred four.
Scientific notation
- Scientific notation: 2.1422939904 × 1010
Factors of 21422939904
Divisors of 21422939904
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 47 48 64 72 94 96 128 141 144 181 188 192 256 282 288 362 376 384 423 543 564 576 724 752 768 846 1086 1093 1128 1152 1448 1504 1629 1692 2172 2186 2256 2304 2896 3008 3258 3279 3384 4344 4372 4512 5792 6016 6516 6558 6768 8507 8688 8744 9024 9837 11584 12032 13032 13116 13536 17014 17376 17488 18048 19674 23168 25521 26064 26232 27072 34028 34752 34976 36096 39348 46336 51042 51371 52128 52464 54144 68056 69504 69952 76563 78696 102084 102742 104256 104928 108288 136112 139008 139904 153126 154113 157392 197833 204168 205484 208512 209856 272224 279808 306252 308226 314784 395666 408336 410968 417024 419712 462339 544448 593499 612504 616452 629568 791332 816672 821936 839424 924678 1088896 1186998 1225008 1232904 1259136 1582664 1633344 1643872 1780497 1849356 2177792 2373996 2450016 2465808 2518272 3165328 3266688 3287744 3560994 3698712 4747992 4900032 4931616 6330656 6533376 6575488 7121988 7397424 9298151 9495984 9800064 9863232 12661312 13150976 14243976 14794848 18596302 18991968 19600128 19726464 25322624 27894453 28487952 29589696 37192604 37983936 39452928 50645248 55788906 56975904 59179392 74385208 75967872 83683359 111577812 113951808 118358784 148770416 151935744 167366718 223155624 227903616 297540832 334733436 446311248 455807232 595081664 669466872 892622496 1190163328 1338933744 1785244992 2380326656 2677867488 3570489984 5355734976 7140979968 10711469952 21422939904
- Sum of all divisors σ(n): 63488373312
- Sum of proper divisors (its aliquot sum) s(n): 42065433408
- 21422939904 is an abundant number, because the sum of its proper divisors (42065433408) is greater than itself. Its abundance is 20642493504
Bases of 21422939904
- Binary: 100111111001110100000011111000000002
- Hexadecimal: 0x4FCE81F00
- Base-36: 9UANY80
Squares and roots of 21422939904
- 21422939904 squared (214229399042) is 458942354130395529216
- 21422939904 cubed (214229399043) is 9831894471935749602144644235264
-
The
square root of 21422939904 is 146365.7743599915 -
The
cube root of 21422939904 is 2777.3227811809
Scales and comparisons
How big is 21422939904?- 21,422,939,904 seconds is equal to 681 years, 9 weeks, 3 days, 16 hours, 38 minutes, 24 seconds.
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To count from 1 to 21,422,939,904 would take you about one thousand, three hundred sixty-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 21422939904 cubic inches would be around 231.4 feet tall.
Recreational maths with 21422939904
- 21422939904 backwards is 40993922412
- The number of decimal digits it has is: 11
- The sum of 21422939904's digits is 45
- More coming soon!
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