21491478988000000
21,491,478,988,000,000 is an even composite number composed of six prime numbers multiplied together.
21491478988000000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand, two hundred sixty-eight divisors.
Prime factorization of 21491478988000000:
28 × 56 × 72 × 892 × 109 × 127
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 5 × 5 × 7 × 7 × 89 × 89 × 109 × 127)See below for interesting mathematical facts about the number 21491478988000000 from the Numbermatics database.
Names of 21491478988000000
- Cardinal: 21491478988000000 can be written as Twenty-one quadrillion, four hundred ninety-one trillion, four hundred seventy-eight billion, nine hundred eighty-eight million.
Scientific notation
- Scientific notation: 2.1491478988 × 1016
Factors of 21491478988000000
Divisors of 21491478988000000
- Number of divisors d(n): 2268
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 64 70 80 89 98 100 109 112 125 127 128 140 160 175 178 196 200 218 224 245 250 254 256 280 320 350 356 392 400 436 445 448 490 500 508 545 560 623 625 635 640 700 712 763 784 800 872 875 889 890 896 980 1000 1016 1090 1120 1225 1246 1250 1270 1280 1400 1424 1526 1568 1600 1744 1750 1778 1780 1792 1960 2000 2032 2180 2225 2240 2450 2492 2500 2540 2725 2800 2848 3052 3115 3125 3136 3175 3200 3488 3500 3556 3560 3815 3920 4000 4064 4360 4361 4375 4445 4450 4480 4900 4984 5000 5080 5341 5450 5600 5696 6104 6125 6223 6230 6250 6272 6350 6400 6976 7000 7112 7120 7630 7840 7921 8000 8128 8720 8722 8750 8890 8900 8960 9701 9800 9968 10000 10160 10682 10900 11125 11200 11303 11392 12208 12250 12446 12460 12500 12544 12700 13625 13843 13952 14000 14224 14240 15260 15575 15625 15680 15842 15875 16000 16256 17440 17444 17500 17780 17800 19075 19402 19600 19936 20000 20320 21364 21800 21805 21875 22225 22250 22400 22606 22784 24416 24500 24892 24920 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30702112840000 33580435918750 33844848800000 34386366380800 34496756000000 38377641050000 39433906400000 42306061000000 42982957976000 43860161200000 47972051312500 48295458400000 49292383000000 53728697470000 54825201500000 60369323000000 61404225680000 67160871837500 76755282100000 83951089796875 84612122000000 85965915952000 87720322400000 95944102625000 98584766000000 107457394940000 109650403000000 120738646000000 122808451360000 134321743675000 153510564200000 167902179593750 169224244000000 171931831904000 191888205250000 197169532000000 214914789880000 219300806000000 241477292000000 268643487350000 307021128400000 335804359187500 383776410500000 429829579760000 438601612000000 537286974700000 614042256800000 671608718375000 767552821000000 859659159520000 1074573949400000 1343217436750000 1535105642000000 2149147898800000 2686434873500000 3070211284000000 4298295797600000 5372869747000000 10745739494000000 21491478988000000
- Sum of all divisors σ(n): 64166687830882560
- Sum of proper divisors (its aliquot sum) s(n): 42675208842882560
- 21491478988000000 is an abundant number, because the sum of its proper divisors (42675208842882560) is greater than itself. Its abundance is 21183729854882560
Bases of 21491478988000000
- Binary: 10011000101101001100010111000101100011100001011000000002
- Hexadecimal: 0x4C5A62E2C70B00
- Base-36: 5VM3D5BWT8G
Squares and roots of 21491478988000000
- 21491478988000000 squared (214914789880000002) is 461883669091645504144000000000000
- 21491478988000000 cubed (214914789880000003) is 9926563169183444398655442926272000000000000000000
-
The
square root of 21491478988000000 is 146599723.6968746813 -
The
cube root of 21491478988000000 is 278028.1486774297
Scales and comparisons
How big is 21491478988000000?- 21,491,478,988,000,000 seconds is equal to 683,362,554 years, 16 weeks, 12 hours, 26 minutes, 40 seconds.
-
To count from 1 to 21,491,478,988,000,000 would take you about two billion, fifty million, eighty-seven thousand, six 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 21491478988000000 cubic inches would be around 23169 feet tall.
Recreational maths with 21491478988000000
- 21491478988000000 backwards is 00000088987419412
- The number of decimal digits it has is: 17
- The sum of 21491478988000000's digits is 61
- More coming soon!
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The information we have on file for 21491478988000000 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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