21016442880
21,016,442,880 is an even composite number composed of five prime numbers multiplied together.
21016442880 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21016442880:
211 × 32 × 5 × 457 × 499
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 457 × 499)See below for interesting mathematical facts about the number 21016442880 from the Numbermatics database.
Names of 21016442880
- Cardinal: 21016442880 can be written as Twenty-one billion, sixteen million, four hundred forty-two thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 2.101644288 × 1010
Factors of 21016442880
Divisors of 21016442880
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 457 480 499 512 576 640 720 768 914 960 998 1024 1152 1280 1371 1440 1497 1536 1828 1920 1996 2048 2285 2304 2495 2560 2742 2880 2994 3072 3656 3840 3992 4113 4491 4570 4608 4990 5120 5484 5760 5988 6144 6855 7312 7485 7680 7984 8226 8982 9140 9216 9980 10240 10968 11520 11976 13710 14624 14970 15360 15968 16452 17964 18280 18432 19960 20565 21936 22455 23040 23952 27420 29248 29940 30720 31936 32904 35928 36560 39920 41130 43872 44910 46080 47904 54840 58496 59880 63872 65808 71856 73120 79840 82260 87744 89820 92160 95808 109680 116992 119760 127744 131616 143712 146240 159680 164520 175488 179640 191616 219360 228043 233984 239520 255488 263232 287424 292480 319360 329040 350976 359280 383232 438720 456086 467968 479040 510976 526464 574848 584960 638720 658080 684129 701952 718560 766464 877440 912172 935936 958080 1021952 1052928 1140215 1149696 1169920 1277440 1316160 1368258 1403904 1437120 1532928 1754880 1824344 1916160 2052387 2105856 2280430 2299392 2339840 2554880 2632320 2736516 2807808 2874240 3065856 3420645 3509760 3648688 3832320 4104774 4211712 4560860 4598784 4679680 5109760 5264640 5473032 5748480 6841290 7019520 7297376 7664640 8209548 8423424 9121720 9197568 10261935 10529280 10946064 11496960 13682580 14039040 14594752 15329280 16419096 18243440 20523870 21058560 21892128 22993920 27365160 29189504 32838192 36486880 41047740 42117120 43784256 45987840 54730320 58379008 65676384 72973760 82095480 87568512 109460640 116758016 131352768 145947520 164190960 175137024 218921280 233516032 262705536 291895040 328381920 350274048 437842560 467032064 525411072 583790080 656763840 700548096 875685120 1050822144 1167580160 1313527680 1401096192 1751370240 2101644288 2335160320 2627055360 3502740480 4203288576 5254110720 7005480960 10508221440 21016442880
- Sum of all divisors σ(n): 73144890000
- Sum of proper divisors (its aliquot sum) s(n): 52128447120
- 21016442880 is an abundant number, because the sum of its proper divisors (52128447120) is greater than itself. Its abundance is 31112004240
Bases of 21016442880
- Binary: 100111001001010110101111000000000002
- Hexadecimal: 0x4E4AD7800
- Base-36: 9NKNB40
Squares and roots of 21016442880
- 21016442880 squared (210164428802) is 441690871328302694400
- 21016442880 cubed (210164428803) is 9282770967888703304207695872000
-
The
square root of 21016442880 is 144970.4896866945 -
The
cube root of 21016442880 is 2759.6440624799
Scales and comparisons
How big is 21016442880?- 21,016,442,880 seconds is equal to 668 years, 13 weeks, 2 days, 20 hours, 48 minutes.
-
To count from 1 to 21,016,442,880 would take you about one thousand, three hundred thirty-six 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 21016442880 cubic inches would be around 230 feet tall.
Recreational maths with 21016442880
- 21016442880 backwards is 08824461012
- 21016442880 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21016442880's digits is 36
- More coming soon!
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