1142721690
1,142,721,690 is an even composite number composed of seven prime numbers multiplied together.
What does the number 1142721690 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 128 divisors.
1142721690 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 1142721690:
2 × 3 × 5 × 11 × 31 × 37 × 3019
See below for interesting mathematical facts about the number 1142721690 from the Numbermatics database.
Names of 1142721690
- Cardinal: 1142721690 can be written as One billion, one hundred forty-two million, seven hundred twenty-one thousand, six hundred ninety.
Scientific notation
- Scientific notation: 1.14272169 × 109
Factors of 1142721690
Divisors of 1142721690
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 10 11 15 22 30 31 33 37 55 62 66 74 93 110 111 155 165 185 186 222 310 330 341 370 407 465 555 682 814 930 1023 1110 1147 1221 1705 2035 2046 2294 2442 3019 3410 3441 4070 5115 5735 6038 6105 6882 9057 10230 11470 12210 12617 15095 17205 18114 25234 30190 33209 34410 37851 45285 63085 66418 75702 90570 93589 99627 111703 126170 166045 187178 189255 199254 223406 280767 332090 335109 378510 467945 498135 558515 561534 670218 935890 996270 1029479 1117030 1228733 1403835 1675545 2058958 2457466 2807670 3088437 3351090 3462793 3686199 5147395 6143665 6176874 6925586 7372398 10294790 10388379 12287330 15442185 17313965 18430995 20776758 30884370 34627930 36861990 38090723 51941895 76181446 103883790 114272169 190453615 228544338 380907230 571360845 1142721690
- Sum of all divisors σ(n): 3172884480
- Sum of proper divisors (its aliquot sum) s(n): 2030162790
- 1142721690 is an abundant number, because the sum of its proper divisors (2030162790) is greater than itself. Its abundance is 887441100
Bases of 1142721690
- Binary: 10001000001110010001100100110102
- Hexadecimal: 0x441C8C9A
- Base-36: IWCHP6
Squares and roots of 1142721690
- 1142721690 squared (11427216902) is 1305812860796456100
- 1142721690 cubed (11427216903) is 1492180679113061060602809000
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The
square root of 1142721690 is 33804.1667550021 -
The
cube root of 1142721690 is 1045.4746102329
Scales and comparisons
How big is 1142721690?- 1,142,721,690 seconds is equal to 36 years, 17 weeks, 2 days, 22 hours, 41 minutes, 30 seconds.
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To count from 1 to 1,142,721,690 would take you about seventy-two 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 1142721690 cubic inches would be around 87.1 feet tall.
Recreational maths with 1142721690
- 1142721690 backwards is 0961272411
- 1142721690 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1142721690's digits is 33
- More coming soon!
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The information we have on file for 1142721690 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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