21520400000
21,520,400,000 is an even composite number composed of five prime numbers multiplied together.
What does the number 21520400000 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 384 divisors.
21520400000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21520400000:
27 × 55 × 11 × 67 × 73
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 5 × 11 × 67 × 73)See below for interesting mathematical facts about the number 21520400000 from the Numbermatics database.
Names of 21520400000
- Cardinal: 21520400000 can be written as Twenty-one billion, five hundred twenty million, four hundred thousand.
Scientific notation
- Scientific notation: 2.15204 × 1010
Factors of 21520400000
Divisors of 21520400000
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 67 73 80 88 100 110 125 128 134 146 160 176 200 220 250 268 275 292 320 335 352 365 400 440 500 536 550 584 625 640 670 704 730 737 800 803 880 1000 1072 1100 1168 1250 1340 1375 1408 1460 1474 1600 1606 1675 1760 1825 2000 2144 2200 2336 2500 2680 2750 2920 2948 3125 3200 3212 3350 3520 3650 3685 4000 4015 4288 4400 4672 4891 5000 5360 5500 5840 5896 6250 6424 6700 6875 7040 7300 7370 8000 8030 8375 8576 8800 9125 9344 9782 10000 10720 11000 11680 11792 12500 12848 13400 13750 14600 14740 16000 16060 16750 17600 18250 18425 19564 20000 20075 21440 22000 23360 23584 24455 25000 25696 26800 27500 29200 29480 32120 33500 34375 35200 36500 36850 39128 40000 40150 41875 42880 44000 45625 46720 47168 48910 50000 51392 53600 53801 55000 58400 58960 64240 67000 68750 73000 73700 78256 80000 80300 83750 88000 91250 92125 94336 97820 100000 100375 102784 107200 107602 110000 116800 117920 122275 128480 134000 137500 146000 147400 156512 160600 167500 176000 182500 184250 195640 200000 200750 209375 214400 215204 220000 228125 233600 235840 244550 256960 268000 269005 275000 292000 294800 313024 321200 335000 365000 368500 391280 400000 401500 418750 430408 440000 456250 460625 471680 489100 501875 513920 536000 538010 550000 584000 589600 611375 626048 642400 670000 730000 737000 782560 803000 837500 860816 880000 912500 921250 978200 1003750 1072000 1076020 1100000 1168000 1179200 1222750 1284800 1340000 1345025 1460000 1474000 1565120 1606000 1675000 1721632 1825000 1842500 1956400 2007500 2152040 2200000 2303125 2358400 2445500 2509375 2569600 2680000 2690050 2920000 2948000 3056875 3130240 3212000 3350000 3443264 3650000 3685000 3912800 4015000 4304080 4400000 4606250 4891000 5018750 5360000 5380100 5840000 5896000 6113750 6424000 6700000 6725125 6886528 7300000 7370000 7825600 8030000 8608160 9212500 9782000 10037500 10760200 11792000 12227500 12848000 13400000 13450250 14600000 14740000 15284375 15651200 16060000 17216320 18425000 19564000 20075000 21520400 24455000 26800000 26900500 29200000 29480000 30568750 32120000 33625625 34432640 36850000 39128000 40150000 43040800 48910000 53801000 58960000 61137500 64240000 67251250 73700000 78256000 80300000 86081600 97820000 107602000 122275000 134502500 147400000 160600000 168128125 172163200 195640000 215204000 244550000 269005000 294800000 321200000 336256250 391280000 430408000 489100000 538010000 672512500 860816000 978200000 1076020000 1345025000 1956400000 2152040000 2690050000 4304080000 5380100000 10760200000 21520400000
- Sum of all divisors σ(n): 60144275520
- Sum of proper divisors (its aliquot sum) s(n): 38623875520
- 21520400000 is an abundant number, because the sum of its proper divisors (38623875520) is greater than itself. Its abundance is 17103475520
Bases of 21520400000
- Binary: 101000000101011011100111110100000002
- Hexadecimal: 0x502B73E80
- Base-36: 9VWOUWW
Squares and roots of 21520400000
- 21520400000 squared (215204000002) is 463127616160000000000
- 21520400000 cubed (215204000003) is 9966691550809664000000000000000
-
The
square root of 21520400000 is 146698.3299155107 -
The
cube root of 21520400000 is 2781.5280662943
Scales and comparisons
How big is 21520400000?- 21,520,400,000 seconds is equal to 684 years, 14 weeks, 4 days, 16 hours, 53 minutes, 20 seconds.
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To count from 1 to 21,520,400,000 would take you about one thousand, three hundred sixty-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 21520400000 cubic inches would be around 231.8 feet tall.
Recreational maths with 21520400000
- 21520400000 backwards is 00000402512
- The number of decimal digits it has is: 11
- The sum of 21520400000's digits is 14
- More coming soon!
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