82138747040
82,138,747,040 is an even composite number composed of five prime numbers multiplied together.
82138747040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 82138747040:
25 × 5 × 72 × 53 × 197677
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 53 × 197677)See below for interesting mathematical facts about the number 82138747040 from the Numbermatics database.
Names of 82138747040
- Cardinal: 82138747040 can be written as Eighty-two billion, one hundred thirty-eight million, seven hundred forty-seven thousand and forty.
Scientific notation
- Scientific notation: 8.213874704 × 1010
Factors of 82138747040
Divisors of 82138747040
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 53 56 70 80 98 106 112 140 160 196 212 224 245 265 280 371 392 424 490 530 560 742 784 848 980 1060 1120 1484 1568 1696 1855 1960 2120 2597 2968 3710 3920 4240 5194 5936 7420 7840 8480 10388 11872 12985 14840 20776 25970 29680 41552 51940 59360 83104 103880 197677 207760 395354 415520 790708 988385 1383739 1581416 1976770 2767478 3162832 3953540 5534956 6325664 6918695 7907080 9686173 10476881 11069912 13837390 15814160 19372346 20953762 22139824 27674780 31628320 38744692 41907524 44279648 48430865 52384405 55349560 73338167 77489384 83815048 96861730 104768810 110699120 146676334 154978768 167630096 193723460 209537620 221398240 293352668 309957536 335260192 366690835 387446920 419075240 513367169 586705336 733381670 774893840 838150480 1026734338 1173410672 1466763340 1549787680 1676300960 2053468676 2346821344 2566835845 2933526680 4106937352 5133671690 5867053360 8213874704 10267343380 11734106720 16427749408 20534686760 41069373520 82138747040
- Sum of all divisors σ(n): 229995190152
- Sum of proper divisors (its aliquot sum) s(n): 147856443112
- 82138747040 is an abundant number, because the sum of its proper divisors (147856443112) is greater than itself. Its abundance is 65717696072
Bases of 82138747040
- Binary: 10011000111111101100111010000101000002
- Hexadecimal: 0x131FD9D0A0
- Base-36: 11QFAEU8
Squares and roots of 82138747040
- 82138747040 squared (821387470402) is 6746773765301108761600
- 82138747040 cubed (821387470403) is 554171543644176102000590065664000
-
The
square root of 82138747040 is 286598.5817131689 -
The
cube root of 82138747040 is 4346.9304462897
Scales and comparisons
How big is 82138747040?- 82,138,747,040 seconds is equal to 2,611 years, 39 weeks, 2 days, 22 hours, 37 minutes, 20 seconds.
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To count from 1 to 82,138,747,040 would take you about five thousand, two hundred twenty-three 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 82138747040 cubic inches would be around 362.2 feet tall.
Recreational maths with 82138747040
- 82138747040 backwards is 04074783128
- The number of decimal digits it has is: 11
- The sum of 82138747040's digits is 44
- More coming soon!
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