135409890
135,409,890 is an even composite number composed of six prime numbers multiplied together.
135409890 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 135409890:
2 × 3 × 5 × 7 × 112 × 732
(2 × 3 × 5 × 7 × 11 × 11 × 73 × 73)See below for interesting mathematical facts about the number 135409890 from the Numbermatics database.
Names of 135409890
- Cardinal: 135409890 can be written as One hundred thirty-five million, four hundred nine thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 1.3540989 × 108
Factors of 135409890
Divisors of 135409890
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 73 77 105 110 121 146 154 165 210 219 231 242 330 363 365 385 438 462 511 605 726 730 770 803 847 1022 1095 1155 1210 1533 1606 1694 1815 2190 2310 2409 2541 2555 3066 3630 4015 4235 4818 5082 5110 5329 5621 7665 8030 8470 8833 10658 11242 12045 12705 15330 15987 16863 17666 24090 25410 26499 26645 28105 31974 33726 37303 44165 52998 53290 56210 58619 61831 74606 79935 84315 88330 111909 117238 123662 132495 159870 168630 175857 185493 186515 223818 264990 293095 309155 351714 370986 373030 410333 559545 586190 618310 644809 820666 879285 927465 1119090 1230999 1289618 1758570 1854930 1934427 2051665 2461998 3224045 3868854 4103330 4513663 6154995 6448090 9027326 9672135 12309990 13540989 19344270 22568315 27081978 45136630 67704945 135409890
- Sum of all divisors σ(n): 413913024
- Sum of proper divisors (its aliquot sum) s(n): 278503134
- 135409890 is an abundant number, because the sum of its proper divisors (278503134) is greater than itself. Its abundance is 143093244
Bases of 135409890
- Binary: 10000001001000110000111000102
- Hexadecimal: 0x81230E2
- Base-36: 28MAXU
Squares and roots of 135409890
- 135409890 squared (1354098902) is 18335838309812100
- 135409890 cubed (1354098903) is 2482853848589442381669000
-
The
square root of 135409890 is 11636.5755271901 -
The
cube root of 135409890 is 513.5114461291
Scales and comparisons
How big is 135409890?- 135,409,890 seconds is equal to 4 years, 15 weeks, 6 days, 5 hours, 51 minutes, 30 seconds.
-
To count from 1 to 135,409,890 would take you about six 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 135409890 cubic inches would be around 42.8 feet tall.
Recreational maths with 135409890
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