21318481500
21,318,481,500 is an even composite number composed of seven prime numbers multiplied together.
21318481500 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21318481500:
22 × 3 × 53 × 23 × 53 × 89 × 131
(2 × 2 × 3 × 5 × 5 × 5 × 23 × 53 × 89 × 131)See below for interesting mathematical facts about the number 21318481500 from the Numbermatics database.
Names of 21318481500
- Cardinal: 21318481500 can be written as Twenty-one billion, three hundred eighteen million, four hundred eighty-one thousand, five hundred.
Scientific notation
- Scientific notation: 2.13184815 × 1010
Factors of 21318481500
Divisors of 21318481500
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 23 25 30 46 50 53 60 69 75 89 92 100 106 115 125 131 138 150 159 178 212 230 250 262 265 267 276 300 318 345 356 375 393 445 460 500 524 530 534 575 636 655 690 750 786 795 890 1060 1068 1150 1219 1310 1325 1335 1380 1500 1572 1590 1725 1780 1965 2047 2225 2300 2438 2620 2650 2670 2875 3013 3180 3275 3450 3657 3930 3975 4094 4450 4717 4876 5300 5340 5750 6026 6095 6141 6550 6625 6675 6900 6943 7314 7860 7950 8188 8625 8900 9039 9434 9825 10235 11125 11500 11659 12052 12190 12282 13100 13250 13350 13886 14151 14628 15065 15900 16375 17250 18078 18285 18868 19650 19875 20470 20829 22250 23318 23585 24380 24564 26500 26700 27772 28302 30130 30475 30705 32750 33375 34500 34715 34977 36156 36570 39300 39750 40940 41658 44500 45195 46636 47170 49125 51175 56604 58295 60260 60950 61410 65500 66750 69430 69954 70755 73140 75325 79500 83316 90390 91425 94340 98250 102350 104145 108491 116590 117925 121900 122820 133500 138860 139908 141510 150650 152375 153525 159689 173575 174885 180780 182850 196500 204700 208290 216982 225975 233180 235850 255875 268157 283020 291475 301300 304750 307050 319378 325473 347150 349770 353775 365700 376625 416580 433964 451950 457125 471700 479067 511750 520725 536314 542455 582950 589625 609500 614100 617927 638756 650946 694300 699540 707550 753250 767625 798445 804471 867875 874425 903900 914250 958134 1023500 1041450 1072628 1084910 1129875 1165900 1179250 1235854 1301892 1340785 1415100 1457375 1506500 1535250 1596890 1608942 1627365 1735750 1748850 1768875 1828500 1853781 1916268 2082900 2169820 2259750 2358500 2395335 2471708 2603625 2681570 2712275 2914750 3070500 3089635 3193780 3217884 3254730 3471500 3497700 3537750 3707562 3992225 4022355 4372125 4519500 4790670 5207250 5363140 5424550 5829500 6179270 6509460 6703925 7075500 7415124 7984450 8044710 8136825 8744250 9268905 9581340 10414500 10849100 11976675 12358540 13407850 13561375 14212321 15448175 15968900 16089420 16273650 17488500 18537810 19961125 20111775 23953350 26815700 27122750 28424642 30896350 32547300 33519625 37075620 39922250 40223550 40684125 42636963 46344525 47906700 54245500 56849284 59883375 61792700 67039250 71061605 77240875 79844500 80447100 81368250 85273926 92689050 100558875 119766750 134078500 142123210 154481750 162736500 170547852 185378100 201117750 213184815 231722625 239533500 284246420 308963500 355308025 402235500 426369630 463445250 710616050 852739260 926890500 1065924075 1421232100 1776540125 2131848150 3553080250 4263696300 5329620375 7106160500 10659240750 21318481500
- Sum of all divisors σ(n): 67251824640
- Sum of proper divisors (its aliquot sum) s(n): 45933343140
- 21318481500 is an abundant number, because the sum of its proper divisors (45933343140) is greater than itself. Its abundance is 24614861640
Bases of 21318481500
- Binary: 100111101101010111000110110010111002
- Hexadecimal: 0x4F6AE365C
- Base-36: 9SKH1LO
Squares and roots of 21318481500
- 21318481500 squared (213184815002) is 454477653465842250000
- 21318481500 cubed (213184815003) is 9688773447574968888543375000000
-
The
square root of 21318481500 is 146008.4980403539 -
The
cube root of 21318481500 is 2772.8013426093
Scales and comparisons
How big is 21318481500?- 21,318,481,500 seconds is equal to 677 years, 44 weeks, 5 days, 16 hours, 25 minutes.
-
To count from 1 to 21,318,481,500 would take you about one thousand, three hundred fifty-five 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 21318481500 cubic inches would be around 231.1 feet tall.
Recreational maths with 21318481500
- 21318481500 backwards is 00518481312
- The number of decimal digits it has is: 11
- The sum of 21318481500's digits is 33
- More coming soon!
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The information we have on file for 21318481500 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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