20821159424
20,821,159,424 is an even composite number composed of six prime numbers multiplied together.
20821159424 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 20821159424:
29 × 13 × 19 × 31 × 47 × 113
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 19 × 31 × 47 × 113)See below for interesting mathematical facts about the number 20821159424 from the Numbermatics database.
Names of 20821159424
- Cardinal: 20821159424 can be written as Twenty billion, eight hundred twenty-one million, one hundred fifty-nine thousand, four hundred twenty-four.
Scientific notation
- Scientific notation: 2.0821159424 × 1010
Factors of 20821159424
Divisors of 20821159424
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 8 13 16 19 26 31 32 38 47 52 62 64 76 94 104 113 124 128 152 188 208 226 247 248 256 304 376 403 416 452 494 496 512 589 608 611 752 806 832 893 904 988 992 1178 1216 1222 1457 1469 1504 1612 1664 1786 1808 1976 1984 2147 2356 2432 2444 2914 2938 3008 3224 3328 3503 3572 3616 3952 3968 4294 4712 4864 4888 5311 5828 5876 6016 6448 6656 7006 7144 7232 7657 7904 7936 8588 9424 9728 9776 10622 11609 11656 11752 12032 12896 14012 14288 14464 15314 15808 15872 17176 18848 18941 19552 21244 23218 23312 23504 24064 25792 27683 27911 28024 28576 28928 30628 31616 34352 37696 37882 39104 42488 45539 46436 46624 47008 51584 55366 55822 56048 57152 57856 61256 63232 66557 68704 69043 75392 75764 78208 84976 91078 92872 93248 94016 100909 103168 110732 111644 112096 114304 122512 126464 133114 137408 138086 150784 151528 156416 164641 169952 182156 185744 186496 188032 201818 206336 221464 223288 224192 228608 245024 266228 274816 276172 301568 303056 312832 329282 339904 359879 364312 371488 372992 376064 403636 442928 446576 448384 457216 490048 532456 549632 552344 606112 658564 679808 719758 728624 742976 745984 752128 807272 865241 885856 893152 896768 980096 1064912 1099264 1104688 1212224 1311817 1317128 1359616 1439516 1457248 1485952 1614544 1730482 1771712 1786304 1793536 1960192 2129824 2140333 2209376 2424448 2623634 2634256 2719232 2879032 2914496 2971904 3128179 3229088 3460964 3543424 3572608 3920384 4259648 4280666 4418752 4848896 5247268 5268512 5758064 5828992 5943808 6256358 6458176 6921928 7086848 7145216 8519296 8561332 8837504 9697792 10494536 10537024 11516128 11657984 12512716 12916352 13843856 14173696 14290432 17038592 17122664 17675008 20989072 21074048 23032256 23315968 25025432 25832704 27687712 34077184 34245328 35350016 40666327 41978144 42148096 46064512 50050864 51665408 55375424 68490656 81332654 83956288 84296192 92129024 100101728 110750848 136981312 162665308 167912576 184258048 200203456 221501696 273962624 325330616 335825152 400406912 443003392 547925248 650661232 671650304 800813824 1095850496 1301322464 1601627648 2602644928 5205289856 10410579712 20821159424
- Sum of all divisors σ(n): 50156789760
- Sum of proper divisors (its aliquot sum) s(n): 29335630336
- 20821159424 is an abundant number, because the sum of its proper divisors (29335630336) is greater than itself. Its abundance is 8514470912
Bases of 20821159424
- Binary: 100110110010000100110101110000000002
- Hexadecimal: 0x4D909AE00
- Base-36: 9KCDPFK
Squares and roots of 20821159424
- 20821159424 squared (208211594242) is 433520679759624011776
- 20821159424 cubed (208211594243) is 9026403186875981547486549377024
-
The
square root of 20821159424 is 144295.3894758943 -
The
cube root of 20821159424 is 2751.0699714755
Scales and comparisons
How big is 20821159424?- 20,821,159,424 seconds is equal to 662 years, 2 weeks, 3 days, 15 hours, 23 minutes, 44 seconds.
-
To count from 1 to 20,821,159,424 would take you about one thousand, three hundred twenty-four 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 20821159424 cubic inches would be around 229.3 feet tall.
Recreational maths with 20821159424
- 20821159424 backwards is 42495112802
- 20821159424 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20821159424's digits is 38
- More coming soon!
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