1399697390
1,399,697,390 is an even composite number composed of seven prime numbers multiplied together.
1399697390 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 1399697390:
2 × 5 × 7 × 13 × 97 × 101 × 157
See below for interesting mathematical facts about the number 1399697390 from the Numbermatics database.
Names of 1399697390
- Cardinal: 1399697390 can be written as One billion, three hundred ninety-nine million, six hundred ninety-seven thousand, three hundred ninety.
Scientific notation
- Scientific notation: 1.39969739 × 109
Factors of 1399697390
Divisors of 1399697390
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 5 7 10 13 14 26 35 65 70 91 97 101 130 157 182 194 202 314 455 485 505 679 707 785 910 970 1010 1099 1261 1313 1358 1414 1570 2041 2198 2522 2626 3395 3535 4082 5495 6305 6565 6790 7070 8827 9191 9797 10205 10990 12610 13130 14287 15229 15857 17654 18382 19594 20410 28574 30458 31714 44135 45955 48985 68579 71435 76145 79285 88270 91910 97970 106603 110999 127361 137158 142870 152290 158570 197977 206141 213206 221998 254722 342895 395954 412282 533015 554995 636805 685790 891527 989885 1030705 1066030 1109990 1273610 1385839 1442987 1538129 1783054 1979770 2061410 2771678 2885974 3076258 4457635 6929195 7214935 7690645 8915270 10766903 13858390 14429870 15381290 19995677 21533806 39991354 53834515 99978385 107669030 139969739 199956770 279939478 699848695 1399697390
- Sum of all divisors σ(n): 3184005888
- Sum of proper divisors (its aliquot sum) s(n): 1784308498
- 1399697390 is an abundant number, because the sum of its proper divisors (1784308498) is greater than itself. Its abundance is 384611108
Bases of 1399697390
- Binary: 10100110110110110101111111011102
- Hexadecimal: 0x536DAFEE
- Base-36: N5CDF2
Squares and roots of 1399697390
- 1399697390 squared (13996973902) is 1959152783572812100
- 1399697390 cubed (13996973903) is 2742221037778099971330419000
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The
square root of 1399697390 is 37412.5298529785 -
The
cube root of 1399697390 is 1118.6083347351
Scales and comparisons
How big is 1399697390?- 1,399,697,390 seconds is equal to 44 years, 26 weeks, 2 days, 4 hours, 49 minutes, 50 seconds.
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To count from 1 to 1,399,697,390 would take you about eighty-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 1399697390 cubic inches would be around 93.2 feet tall.
Recreational maths with 1399697390
- 1399697390 backwards is 0937969931
- The number of decimal digits it has is: 10
- The sum of 1399697390's digits is 56
- More coming soon!
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