213640840
213,640,840 is an even composite number composed of six prime numbers multiplied together.
213640840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 213640840:
23 × 5 × 7 × 31 × 151 × 163
(2 × 2 × 2 × 5 × 7 × 31 × 151 × 163)See below for interesting mathematical facts about the number 213640840 from the Numbermatics database.
Names of 213640840
- Cardinal: 213640840 can be written as Two hundred thirteen million, six hundred forty thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.1364084 × 108
Factors of 213640840
Divisors of 213640840
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 7 8 10 14 20 28 31 35 40 56 62 70 124 140 151 155 163 217 248 280 302 310 326 434 604 620 652 755 815 868 1057 1085 1141 1208 1240 1304 1510 1630 1736 2114 2170 2282 3020 3260 4228 4340 4564 4681 5053 5285 5705 6040 6520 8456 8680 9128 9362 10106 10570 11410 18724 20212 21140 22820 23405 24613 25265 32767 35371 37448 40424 42280 45640 46810 49226 50530 65534 70742 93620 98452 101060 123065 131068 141484 163835 172291 176855 187240 196904 202120 246130 262136 282968 327670 344582 353710 492260 655340 689164 707420 763003 861455 984520 1310680 1378328 1414840 1526006 1722910 3052012 3445820 3815015 5341021 6104024 6891640 7630030 10682042 15260060 21364084 26705105 30520120 42728168 53410210 106820420 213640840
- Sum of all divisors σ(n): 574341120
- Sum of proper divisors (its aliquot sum) s(n): 360700280
- 213640840 is an abundant number, because the sum of its proper divisors (360700280) is greater than itself. Its abundance is 147059440
Bases of 213640840
- Binary: 11001011101111100110100010002
- Hexadecimal: 0xCBBE688
- Base-36: 3J72BS
Squares and roots of 213640840
- 213640840 squared (2136408402) is 45642408515905600
- 213640840 cubed (2136408403) is 9751082494961225744704000
-
The
square root of 213640840 is 14616.4578472351 -
The
cube root of 213640840 is 597.8075912567
Scales and comparisons
How big is 213640840?- 213,640,840 seconds is equal to 6 years, 41 weeks, 1 day, 16 hours, 40 minutes, 40 seconds.
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To count from 1 to 213,640,840 would take you about ten 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 213640840 cubic inches would be around 49.8 feet tall.
Recreational maths with 213640840
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