1385971830
1,385,971,830 is an even composite number composed of six prime numbers multiplied together.
1385971830 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 1385971830:
2 × 33 × 5 × 71 × 197 × 367
(2 × 3 × 3 × 3 × 5 × 71 × 197 × 367)See below for interesting mathematical facts about the number 1385971830 from the Numbermatics database.
Names of 1385971830
- Cardinal: 1385971830 can be written as One billion, three hundred eighty-five million, nine hundred seventy-one thousand, eight hundred thirty.
Scientific notation
- Scientific notation: 1.38597183 × 109
Factors of 1385971830
Divisors of 1385971830
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 45 54 71 90 135 142 197 213 270 355 367 394 426 591 639 710 734 985 1065 1101 1182 1278 1773 1835 1917 1970 2130 2202 2955 3195 3303 3546 3670 3834 5319 5505 5910 6390 6606 8865 9585 9909 10638 11010 13987 16515 17730 19170 19818 26057 26595 27974 33030 41961 49545 52114 53190 69935 72299 78171 83922 99090 125883 130285 139870 144598 156342 209805 216897 234513 251766 260570 361495 377649 390855 419610 433794 469026 629415 650691 703539 722990 755298 781710 1084485 1172565 1258830 1301382 1407078 1888245 1952073 2168970 2345130 3253455 3517695 3776490 3904146 5133229 6506910 7035390 9760365 10266458 15399687 19520730 25666145 30799374 46199061 51332290 76998435 92398122 138597183 153996870 230995305 277194366 461990610 692985915 1385971830
- Sum of all divisors σ(n): 3777269760
- Sum of proper divisors (its aliquot sum) s(n): 2391297930
- 1385971830 is an abundant number, because the sum of its proper divisors (2391297930) is greater than itself. Its abundance is 1005326100
Bases of 1385971830
- Binary: 10100101001110001000000011101102
- Hexadecimal: 0x529C4076
- Base-36: MX66PI
Squares and roots of 1385971830
- 1385971830 squared (13859718302) is 1920917913553548900
- 1385971830 cubed (13859718303) is 2662338115927593971927487000
-
The
square root of 1385971830 is 37228.6426021685 -
The
cube root of 1385971830 is 1114.9399258457
Scales and comparisons
How big is 1385971830?- 1,385,971,830 seconds is equal to 44 years, 3 weeks, 4 days, 8 hours, 10 minutes, 30 seconds.
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To count from 1 to 1,385,971,830 would take you about eighty-eight 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 1385971830 cubic inches would be around 92.9 feet tall.
Recreational maths with 1385971830
- 1385971830 backwards is 0381795831
- 1385971830 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1385971830's digits is 45
- More coming soon!
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