21221389000
21,221,389,000 is an even composite number composed of six prime numbers multiplied together.
21221389000 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 21221389000:
23 × 53 × 7 × 17 × 151 × 1181
(2 × 2 × 2 × 5 × 5 × 5 × 7 × 17 × 151 × 1181)See below for interesting mathematical facts about the number 21221389000 from the Numbermatics database.
Names of 21221389000
- Cardinal: 21221389000 can be written as Twenty-one billion, two hundred twenty-one million, three hundred eighty-nine thousand.
Scientific notation
- Scientific notation: 2.1221389 × 1010
Factors of 21221389000
Divisors of 21221389000
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 7 8 10 14 17 20 25 28 34 35 40 50 56 68 70 85 100 119 125 136 140 151 170 175 200 238 250 280 302 340 350 425 476 500 595 604 680 700 755 850 875 952 1000 1057 1181 1190 1208 1400 1510 1700 1750 2114 2125 2362 2380 2567 2975 3020 3400 3500 3775 4228 4250 4724 4760 5134 5285 5905 5950 6040 7000 7550 8267 8456 8500 9448 10268 10570 11810 11900 12835 14875 15100 16534 17000 17969 18875 20077 20536 21140 23620 23800 25670 26425 29525 29750 30200 33068 35938 37750 40154 41335 42280 47240 51340 52850 59050 59500 64175 66136 71876 75500 80308 82670 89845 100385 102680 105700 118100 119000 128350 132125 140539 143752 147625 151000 160616 165340 178331 179690 200770 206675 211400 236200 256700 264250 281078 295250 320875 330680 356662 359380 401540 413350 449225 501925 513400 528500 562156 590500 641750 702695 713324 718760 803080 826700 891655 898450 1003850 1033375 1057000 1124312 1181000 1248317 1283500 1405390 1426648 1653400 1783310 1796900 2007700 2066750 2246125 2496634 2509625 2567000 2810780 3031627 3513475 3566620 3593800 4015400 4133500 4458275 4492250 4993268 5019250 5621560 6063254 6241585 7026950 7133240 8267000 8916550 8984500 9986536 10038500 12126508 12483170 14053900 15158135 17567375 17833100 17969000 20077000 21221389 22291375 24253016 24966340 28107800 30316270 31207925 35134750 35666200 42442778 44582750 49932680 60632540 62415850 70269500 75790675 84885556 89165500 106106945 121265080 124831700 140539000 151581350 156039625 169771112 178331000 212213890 249663400 303162700 312079250 378953375 424427780 530534725 606325400 624158500 757906750 848855560 1061069450 1248317000 1515813500 2122138900 2652673625 3031627000 4244277800 5305347250 10610694500 21221389000
- Sum of all divisors σ(n): 60539581440
- Sum of proper divisors (its aliquot sum) s(n): 39318192440
- 21221389000 is an abundant number, because the sum of its proper divisors (39318192440) is greater than itself. Its abundance is 18096803440
Bases of 21221389000
- Binary: 100111100001110010010110010110010002
- Hexadecimal: 0x4F0E4B2C8
- Base-36: 9QYO0JS
Squares and roots of 21221389000
- 21221389000 squared (212213890002) is 450347351089321000000
- 21221389000 cubed (212213890003) is 9556996322586054686869000000000
-
The
square root of 21221389000 is 145675.6293962721 -
The
cube root of 21221389000 is 2768.5854707439
Scales and comparisons
How big is 21221389000?- 21,221,389,000 seconds is equal to 674 years, 40 weeks, 1 day, 22 hours, 16 minutes, 40 seconds.
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To count from 1 to 21,221,389,000 would take you about one thousand, three hundred forty-nine 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 21221389000 cubic inches would be around 230.7 feet tall.
Recreational maths with 21221389000
- 21221389000 backwards is 00098312212
- 21221389000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21221389000's digits is 28
- More coming soon!
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