21142808960
21,142,808,960 is an even composite number composed of six prime numbers multiplied together.
21142808960 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21142808960:
27 × 5 × 7 × 13 × 73 × 4973
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 13 × 73 × 4973)See below for interesting mathematical facts about the number 21142808960 from the Numbermatics database.
Names of 21142808960
- Cardinal: 21142808960 can be written as Twenty-one billion, one hundred forty-two million, eight hundred eight thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.114280896 × 1010
Factors of 21142808960
Divisors of 21142808960
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 73 80 91 104 112 128 130 140 146 160 182 208 224 260 280 292 320 364 365 416 448 455 511 520 560 584 640 728 730 832 896 910 949 1022 1040 1120 1168 1456 1460 1664 1820 1898 2044 2080 2240 2336 2555 2912 2920 3640 3796 4088 4160 4480 4672 4745 4973 5110 5824 5840 6643 7280 7592 8176 8320 9344 9490 9946 10220 11648 11680 13286 14560 15184 16352 18980 19892 20440 23360 24865 26572 29120 30368 32704 33215 34811 37960 39784 40880 46720 49730 53144 58240 60736 64649 65408 66430 69622 75920 79568 81760 99460 106288 121472 129298 132860 139244 151840 159136 163520 174055 198920 212576 258596 265720 278488 303680 318272 323245 327040 348110 363029 397840 425152 452543 517192 531440 556976 607360 636544 646490 696220 726058 795680 850304 905086 1034384 1062880 1113952 1292980 1392440 1452116 1591360 1810172 1815145 2068768 2125760 2227904 2262715 2541203 2585960 2784880 2904232 3182720 3620344 3630290 4137536 4251520 4455808 4525430 4719377 5082406 5171920 5569760 5808464 7240688 7260580 8275072 9050860 9438754 10164812 10343840 11139520 11616928 12706015 14481376 14521160 18101720 18877508 20329624 20687680 22279040 23233856 23596885 25412030 28962752 29042320 33035639 36203440 37755016 40659248 41375360 46467712 47193770 50824060 57925504 58084640 66071278 72406880 75510032 81318496 94387540 101648120 116169280 132142556 144813760 151020064 162636992 165178195 188775080 203296240 232338560 264285112 289627520 302040128 325273984 330356390 377550160 406592480 528570224 604080256 660712780 755100320 813184960 1057140448 1321425560 1510200640 1626369920 2114280896 2642851120 3020401280 4228561792 5285702240 10571404480 21142808960
- Sum of all divisors σ(n): 63073503360
- Sum of proper divisors (its aliquot sum) s(n): 41930694400
- 21142808960 is an abundant number, because the sum of its proper divisors (41930694400) is greater than itself. Its abundance is 20787885440
Bases of 21142808960
- Binary: 100111011000011010110101001100000002
- Hexadecimal: 0x4EC35A980
- Base-36: 9PNVRSW
Squares and roots of 21142808960
- 21142808960 squared (211428089602) is 447018370719056281600
- 21142808960 cubed (211428089603) is 9451224013723464793356763136000
-
The
square root of 21142808960 is 145405.6703158443 -
The
cube root of 21142808960 is 2765.1640070273
Scales and comparisons
How big is 21142808960?- 21,142,808,960 seconds is equal to 672 years, 14 weeks, 2 days, 10 hours, 29 minutes, 20 seconds.
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To count from 1 to 21,142,808,960 would take you about one thousand, three hundred forty-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 21142808960 cubic inches would be around 230.4 feet tall.
Recreational maths with 21142808960
- 21142808960 backwards is 06980824112
- The number of decimal digits it has is: 11
- The sum of 21142808960's digits is 41
- More coming soon!
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