138368988870
138,368,988,870 is an even composite number composed of seven prime numbers multiplied together.
What does the number 138368988870 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 128 divisors.
138368988870 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 138368988870:
2 × 3 × 5 × 7 × 31 × 2069 × 10273
See below for interesting mathematical facts about the number 138368988870 from the Numbermatics database.
Names of 138368988870
- Cardinal: 138368988870 can be written as One hundred thirty-eight billion, three hundred sixty-eight million, nine hundred eighty-eight thousand, eight hundred seventy.
Scientific notation
- Scientific notation: 1.3836898887 × 1011
Factors of 138368988870
Divisors of 138368988870
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 30 31 35 42 62 70 93 105 155 186 210 217 310 434 465 651 930 1085 1302 2069 2170 3255 4138 6207 6510 10273 10345 12414 14483 20546 20690 28966 30819 31035 43449 51365 61638 62070 64139 71911 72415 86898 102730 128278 143822 144830 154095 192417 215733 217245 308190 318463 320695 359555 384834 431466 434490 448973 636926 641390 719110 897946 955389 962085 1078665 1346919 1592315 1910778 1924170 2157330 2229241 2244865 2693838 3184630 4458482 4489730 4776945 6687723 6734595 9553890 11146205 13375446 13469190 21254837 22292410 33438615 42509674 63764511 66877230 106274185 127529022 148783859 212548370 297567718 318822555 446351577 637645110 658899947 743919295 892703154 1317799894 1487838590 1976699841 2231757885 3294499735 3953399682 4463515770 4612299629 6588999470 9224599258 9883499205 13836898887 19766998410 23061498145 27673797774 46122996290 69184494435 138368988870
- Sum of all divisors σ(n): 391996661760
- Sum of proper divisors (its aliquot sum) s(n): 253627672890
- 138368988870 is an abundant number, because the sum of its proper divisors (253627672890) is greater than itself. Its abundance is 115258684020
Bases of 138368988870
- Binary: 100000001101110110111100110110110001102
- Hexadecimal: 0x20376F36C6
- Base-36: 1RKDBN46
Squares and roots of 138368988870
- 138368988870 squared (1383689888702) is 19145977080906183876900
- 138368988870 cubed (1383689888703) is 2649209489613182846376949550103000
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The
square root of 138368988870 is 371979.8232028181 -
The
cube root of 138368988870 is 5172.2509627159
Scales and comparisons
How big is 138368988870?- 138,368,988,870 seconds is equal to 4,399 years, 36 weeks, 4 days, 22 hours, 14 minutes, 30 seconds.
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To count from 1 to 138,368,988,870 would take you about eight thousand, seven hundred ninety-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 138368988870 cubic inches would be around 431 feet tall.
Recreational maths with 138368988870
- 138368988870 backwards is 078889863831
- The number of decimal digits it has is: 12
- The sum of 138368988870's digits is 69
- More coming soon!
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