21331230720
21,331,230,720 is an even composite number composed of six prime numbers multiplied together.
21331230720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21331230720:
214 × 3 × 5 × 29 × 41 × 73
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 29 × 41 × 73)See below for interesting mathematical facts about the number 21331230720 from the Numbermatics database.
Names of 21331230720
- Cardinal: 21331230720 can be written as Twenty-one billion, three hundred thirty-one million, two hundred thirty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.133123072 × 1010
Factors of 21331230720
Divisors of 21331230720
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 41 48 58 60 64 73 80 82 87 96 116 120 123 128 145 146 160 164 174 192 205 219 232 240 246 256 290 292 320 328 348 365 384 410 435 438 464 480 492 512 580 584 615 640 656 696 730 768 820 870 876 928 960 984 1024 1095 1160 1168 1189 1230 1280 1312 1392 1460 1536 1640 1740 1752 1856 1920 1968 2048 2117 2190 2320 2336 2378 2460 2560 2624 2784 2920 2993 3072 3280 3480 3504 3567 3712 3840 3936 4096 4234 4380 4640 4672 4756 4920 5120 5248 5568 5840 5945 5986 6144 6351 6560 6960 7008 7134 7424 7680 7872 8192 8468 8760 8979 9280 9344 9512 9840 10240 10496 10585 11136 11680 11890 11972 12288 12702 13120 13920 14016 14268 14848 14965 15360 15744 16384 16936 17520 17835 17958 18560 18688 19024 19680 20480 20992 21170 22272 23360 23780 23944 24576 25404 26240 27840 28032 28536 29696 29930 30720 31488 31755 33872 35040 35670 35916 37120 37376 38048 39360 40960 41984 42340 44544 44895 46720 47560 47888 49152 50808 52480 55680 56064 57072 59392 59860 61440 62976 63510 67744 70080 71340 71832 74240 74752 76096 78720 81920 83968 84680 86797 89088 89790 93440 95120 95776 101616 104960 111360 112128 114144 118784 119720 122880 125952 127020 135488 140160 142680 143664 148480 149504 152192 157440 167936 169360 173594 178176 179580 186880 190240 191552 203232 209920 222720 224256 228288 237568 239440 245760 251904 254040 260391 270976 280320 285360 287328 296960 299008 304384 314880 335872 338720 347188 356352 359160 373760 380480 383104 406464 419840 433985 445440 448512 456576 475136 478880 503808 508080 520782 541952 560640 570720 574656 593920 598016 608768 629760 671744 677440 694376 712704 718320 747520 760960 766208 812928 839680 867970 890880 897024 913152 957760 1007616 1016160 1041564 1083904 1121280 1141440 1149312 1187840 1196032 1217536 1259520 1301955 1354880 1388752 1425408 1436640 1495040 1521920 1532416 1625856 1679360 1735940 1781760 1794048 1826304 1915520 2015232 2032320 2083128 2167808 2242560 2282880 2298624 2375680 2435072 2519040 2603910 2709760 2777504 2873280 2990080 3043840 3064832 3251712 3358720 3471880 3563520 3588096 3652608 3831040 4064640 4166256 4335616 4485120 4565760 4597248 4870144 5038080 5207820 5419520 5555008 5746560 5980160 6087680 6129664 6503424 6943760 7127040 7305216 7662080 8129280 8332512 8671232 8970240 9131520 9194496 9740288 10076160 10415640 10839040 11110016 11493120 12175360 12259328 13006848 13887520 14610432 15324160 16258560 16665024 17342464 17940480 18263040 18388992 19480576 20831280 21678080 22220032 22986240 24350720 24518656 26013696 27775040 29220864 30648320 32517120 33330048 34684928 36526080 36777984 41662560 43356160 44440064 45972480 48701440 49037312 52027392 55550080 58441728 61296640 65034240 66660096 73052160 73555968 83325120 86712320 88880128 91944960 97402880 104054784 111100160 122593280 130068480 133320192 146104320 147111936 166650240 173424640 177760256 183889920 222200320 245186560 260136960 266640384 292208640 333300480 355520512 367779840 444400640 520273920 533280768 666600960 711041024 735559680 888801280 1066561536 1333201920 1422082048 1777602560 2133123072 2666403840 3555205120 4266246144 5332807680 7110410240 10665615360 21331230720
- Sum of all divisors σ(n): 73324681920
- Sum of proper divisors (its aliquot sum) s(n): 51993451200
- 21331230720 is an abundant number, because the sum of its proper divisors (51993451200) is greater than itself. Its abundance is 30662220480
Bases of 21331230720
- Binary: 100111101110111000011000000000000002
- Hexadecimal: 0x4F770C000
- Base-36: 9SS2AYO
Squares and roots of 21331230720
- 21331230720 squared (213312307202) is 455021404029871718400
- 21331230720 cubed (213312307203) is 9706166551899531397193269248000
-
The
square root of 21331230720 is 146052.1506859793 -
The
cube root of 21331230720 is 2773.3539774927
Scales and comparisons
How big is 21331230720?- 21,331,230,720 seconds is equal to 678 years, 13 weeks, 6 days, 5 hours, 52 minutes.
-
To count from 1 to 21,331,230,720 would take you about one thousand, three hundred fifty-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 21331230720 cubic inches would be around 231.1 feet tall.
Recreational maths with 21331230720
- 21331230720 backwards is 02703213312
- 21331230720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21331230720's digits is 24
- More coming soon!
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