21729331008
21,729,331,008 is an even composite number composed of five prime numbers multiplied together.
21729331008 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21729331008:
26 × 32 × 7 × 113 × 4049
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 11 × 11 × 11 × 4049)See below for interesting mathematical facts about the number 21729331008 from the Numbermatics database.
Names of 21729331008
- Cardinal: 21729331008 can be written as Twenty-one billion, seven hundred twenty-nine million, three hundred thirty-one thousand and eight.
Scientific notation
- Scientific notation: 2.1729331008 × 1010
Factors of 21729331008
Divisors of 21729331008
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 42 44 48 56 63 64 66 72 77 84 88 96 99 112 121 126 132 144 154 168 176 192 198 224 231 242 252 264 288 308 336 352 363 396 448 462 484 504 528 576 616 672 693 704 726 792 847 924 968 1008 1056 1089 1232 1331 1344 1386 1452 1584 1694 1848 1936 2016 2112 2178 2464 2541 2662 2772 2904 3168 3388 3696 3872 3993 4032 4049 4356 4928 5082 5324 5544 5808 6336 6776 7392 7623 7744 7986 8098 8712 9317 10164 10648 11088 11616 11979 12147 13552 14784 15246 15972 16196 17424 18634 20328 21296 22176 23232 23958 24294 27104 27951 28343 30492 31944 32392 34848 36441 37268 40656 42592 44352 44539 47916 48588 54208 55902 56686 60984 63888 64784 69696 72882 74536 81312 83853 85029 85184 89078 95832 97176 111804 113372 121968 127776 129568 133617 145764 149072 162624 167706 170058 178156 191664 194352 223608 226744 243936 255087 255552 259136 267234 291528 298144 311773 335412 340116 356312 383328 388704 400851 447216 453488 487872 489929 510174 534468 583056 596288 623546 670824 680232 712624 766656 777408 801702 894432 906976 935319 979858 1020348 1068936 1166112 1247092 1341648 1360464 1425248 1469787 1603404 1788864 1813952 1870638 1959716 2040696 2137872 2332224 2494184 2683296 2720928 2805957 2850496 2939574 3206808 3429503 3741276 3919432 4081392 4275744 4409361 4988368 5366592 5389219 5441856 5611914 5879148 6413616 6859006 7482552 7838864 8162784 8551488 8818722 9976736 10288509 10778438 11223828 11758296 12827232 13718012 14965104 15677728 16167657 16325568 17637444 19953472 20577018 21556876 22447656 23516592 25654464 27436024 29930208 30865527 31355456 32335314 35274888 37724533 41154036 43113752 44895312 47033184 48502971 54872048 59860416 61731054 64670628 70549776 75449066 82308072 86227504 89790624 94066368 97005942 109744096 113173599 123462108 129341256 141099552 150898132 164616144 172455008 179581248 194011884 219488192 226347198 246924216 258682512 282199104 301796264 329232288 339520797 344910016 388023768 452694396 493848432 517365024 603592528 658464576 679041594 776047536 905388792 987696864 1034730048 1207185056 1358083188 1552095072 1810777584 1975393728 2414370112 2716166376 3104190144 3621555168 5432332752 7243110336 10864665504 21729331008
- Sum of all divisors σ(n): 78312873600
- Sum of proper divisors (its aliquot sum) s(n): 56583542592
- 21729331008 is an abundant number, because the sum of its proper divisors (56583542592) is greater than itself. Its abundance is 34854211584
Bases of 21729331008
- Binary: 101000011110010101101000111010000002
- Hexadecimal: 0x50F2B4740
- Base-36: 9ZD2Z40
Squares and roots of 21729331008
- 21729331008 squared (217293310082) is 472163826055230296064
- 21729331008 cubed (217293310083) is 10259804066357833992844495552512
-
The
square root of 21729331008 is 147408.7209360423 -
The
cube root of 21729331008 is 2790.5005892541
Scales and comparisons
How big is 21729331008?- 21,729,331,008 seconds is equal to 690 years, 48 weeks, 21 hours, 16 minutes, 48 seconds.
-
To count from 1 to 21,729,331,008 would take you about one thousand, three hundred eighty-one 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 21729331008 cubic inches would be around 232.5 feet tall.
Recreational maths with 21729331008
- 21729331008 backwards is 80013392712
- 21729331008 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21729331008's digits is 36
- More coming soon!
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