135661890
135,661,890 is an even composite number composed of seven prime numbers multiplied together.
135661890 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 135661890:
2 × 3 × 5 × 72 × 13 × 31 × 229
(2 × 3 × 5 × 7 × 7 × 13 × 31 × 229)See below for interesting mathematical facts about the number 135661890 from the Numbermatics database.
Names of 135661890
- Cardinal: 135661890 can be written as One hundred thirty-five million, six hundred sixty-one thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 1.3566189 × 108
Factors of 135661890
Divisors of 135661890
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 5 6 7 10 13 14 15 21 26 30 31 35 39 42 49 62 65 70 78 91 93 98 105 130 147 155 182 186 195 210 217 229 245 273 294 310 390 403 434 455 458 465 490 546 637 651 687 735 806 910 930 1085 1145 1209 1274 1302 1365 1374 1470 1519 1603 1911 2015 2170 2290 2418 2730 2821 2977 3038 3185 3206 3255 3435 3822 4030 4557 4809 5642 5954 6045 6370 6510 6870 7099 7595 8015 8463 8931 9114 9555 9618 11221 12090 14105 14198 14885 15190 16030 16926 17862 19110 19747 20839 21297 22442 22785 24045 28210 29770 33663 35495 39494 41678 42315 42594 44655 45570 48090 49693 56105 59241 62517 67326 70990 84630 89310 92287 98735 99386 104195 106485 112210 118482 125034 145873 149079 168315 184574 197470 208390 212970 248465 276861 291746 296205 298158 312585 336630 347851 437619 461435 496930 553722 592410 625170 646009 695702 729365 745395 875238 922870 1043553 1292018 1384305 1458730 1490790 1739255 1938027 2087106 2188095 2768610 3230045 3478510 3876054 4376190 4522063 5217765 6460090 9044126 9690135 10435530 13566189 19380270 22610315 27132378 45220630 67830945 135661890
- Sum of all divisors σ(n): 422876160
- Sum of proper divisors (its aliquot sum) s(n): 287214270
- 135661890 is an abundant number, because the sum of its proper divisors (287214270) is greater than itself. Its abundance is 151552380
Bases of 135661890
- Binary: 10000001011000001001010000102
- Hexadecimal: 0x8160942
- Base-36: 28RPDU
Squares and roots of 135661890
- 135661890 squared (1356618902) is 18404148398372100
- 135661890 cubed (1356618903) is 2496741555563632009269000
-
The
square root of 135661890 is 11647.3984219653 -
The
cube root of 135661890 is 513.8297997649
Scales and comparisons
How big is 135661890?- 135,661,890 seconds is equal to 4 years, 16 weeks, 2 days, 3 hours, 51 minutes, 30 seconds.
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To count from 1 to 135,661,890 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 135661890 cubic inches would be around 42.8 feet tall.
Recreational maths with 135661890
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