20721998868480
20,721,998,868,480 is an even composite number composed of seven prime numbers multiplied together.
20721998868480 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two thousand, eight hundred eight divisors.
Prime factorization of 20721998868480:
212 × 32 × 5 × 7 × 132 × 292 × 113
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 13 × 29 × 29 × 113)See below for interesting mathematical facts about the number 20721998868480 from the Numbermatics database.
Names of 20721998868480
- Cardinal: 20721998868480 can be written as Twenty trillion, seven hundred twenty-one billion, nine hundred ninety-eight million, eight hundred sixty-eight thousand, four hundred eighty.
Scientific notation
- Scientific notation: 2.072199886848 × 1013
Factors of 20721998868480
Divisors of 20721998868480
- Number of divisors d(n): 2808
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 29 30 32 35 36 39 40 42 45 48 52 56 58 60 63 64 65 70 72 78 80 84 87 90 91 96 104 105 112 113 116 117 120 126 128 130 140 144 145 156 160 168 169 174 180 182 192 195 203 208 210 224 226 232 234 240 252 256 260 261 273 280 288 290 312 315 320 336 338 339 348 360 364 377 384 390 406 416 420 435 448 452 455 464 468 480 504 507 512 520 522 546 560 565 576 580 585 609 624 630 640 672 676 678 696 720 728 754 768 780 791 812 819 832 840 841 845 870 896 904 910 928 936 960 1008 1014 1015 1017 1024 1040 1044 1092 1120 1130 1131 1152 1160 1170 1183 1218 1248 1260 1280 1305 1344 1352 1356 1365 1392 1440 1456 1469 1508 1521 1536 1560 1582 1624 1638 1664 1680 1682 1690 1695 1740 1792 1808 1820 1827 1856 1872 1885 1920 2016 2028 2030 2034 2048 2080 2088 2184 2240 2260 2262 2304 2320 2340 2366 2373 2436 2496 2520 2523 2535 2560 2610 2639 2688 2704 2712 2730 2784 2880 2912 2938 3016 3042 3045 3072 3120 3164 3248 3276 3277 3328 3360 3364 3380 3390 3393 3480 3549 3584 3616 3640 3654 3712 3744 3770 3840 3955 4032 4056 4060 4068 4095 4096 4160 4176 4205 4368 4407 4480 4520 4524 4608 4640 4680 4732 4746 4872 4901 4992 5040 5046 5070 5085 5120 5220 5278 5376 5408 5424 5460 5568 5655 5760 5824 5876 5887 5915 6032 6084 6090 6144 6240 6328 6496 6552 6554 6656 6720 6728 6760 6780 6786 6960 7098 7119 7168 7232 7280 7308 7345 7424 7488 7540 7569 7605 7680 7910 7917 8064 8112 8120 8136 8190 8320 8352 8410 8736 8814 8960 9040 9048 9135 9216 9280 9360 9464 9492 9744 9802 9831 9984 10080 10092 10140 10170 10240 10283 10440 10556 10647 10752 10816 10848 10920 10933 11136 11310 11520 11648 11752 11774 11830 11865 12064 12168 12180 12288 12480 12615 12656 12992 13104 13108 13195 13221 13312 13440 13456 13520 13560 13572 13920 14196 14238 14336 14464 14560 14616 14690 14703 14848 14976 15080 15138 15210 15360 15820 15834 16128 16224 16240 16272 16380 16385 16640 16704 16820 16965 17472 17628 17661 17745 17920 18080 18096 18270 18432 18560 18720 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- Sum of all divisors σ(n): 92874312449568
- Sum of proper divisors (its aliquot sum) s(n): 72152313581088
- 20721998868480 is an abundant number, because the sum of its proper divisors (72152313581088) is greater than itself. Its abundance is 51430314712608
Bases of 20721998868480
- Binary: 1001011011000101101110110000110110000000000002
- Hexadecimal: 0x12D8B761B000
- Base-36: 7CFJZ3LS0
Squares and roots of 20721998868480
- 20721998868480 squared (207219988684802) is 429401237105286400337510400
- 20721998868480 cubed (207219988684803) is 8898051949419656978420222798900232192000
-
The
square root of 20721998868480 is 4552142.2284985781 -
The
cube root of 20721998868480 is 27466.9570592145
Scales and comparisons
How big is 20721998868480?- 20,721,998,868,480 seconds is equal to 658,895 years, 24 weeks, 1 day, 20 hours, 48 minutes.
-
To count from 1 to 20,721,998,868,480 would take you about one million, six hundred forty-seven thousand, two hundred thirty-eight 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 20721998868480 cubic inches would be around 2288.9 feet tall.
Recreational maths with 20721998868480
- 20721998868480 backwards is 08486889912702
- 20721998868480 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 20721998868480's digits is 72
- More coming soon!
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"Number 20721998868480 - Facts about the integer". Numbermatics.com. 2024. Web. 10 June 2024.
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Numbermatics. (2024). Number 20721998868480 - Facts about the integer. Retrieved 10 June 2024, from https://numbermatics.com/n/20721998868480/
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The information we have on file for 20721998868480 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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