85211490
85,211,490 is an even composite number composed of five prime numbers multiplied together.
85211490 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 85211490:
2 × 3 × 5 × 75 × 132
(2 × 3 × 5 × 7 × 7 × 7 × 7 × 7 × 13 × 13)See below for interesting mathematical facts about the number 85211490 from the Numbermatics database.
Names of 85211490
- Cardinal: 85211490 can be written as Eighty-five million, two hundred eleven thousand, four hundred ninety.
Scientific notation
- Scientific notation: 8.521149 × 107
Factors of 85211490
Divisors of 85211490
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 49 65 70 78 91 98 105 130 147 169 182 195 210 245 273 294 338 343 390 455 490 507 546 637 686 735 845 910 1014 1029 1183 1274 1365 1470 1690 1715 1911 2058 2366 2401 2535 2730 3185 3430 3549 3822 4459 4802 5070 5145 5915 6370 7098 7203 8281 8918 9555 10290 11830 12005 13377 14406 16562 16807 17745 19110 22295 24010 24843 26754 31213 33614 35490 36015 41405 44590 49686 50421 57967 62426 66885 72030 82810 84035 93639 100842 115934 124215 133770 156065 168070 173901 187278 218491 248430 252105 289835 312130 347802 405769 436982 468195 504210 579670 655473 811538 869505 936390 1092455 1217307 1310946 1739010 2028845 2184910 2434614 2840383 3277365 4057690 5680766 6086535 6554730 8521149 12173070 14201915 17042298 28403830 42605745 85211490
- Sum of all divisors σ(n): 258355008
- Sum of proper divisors (its aliquot sum) s(n): 173143518
- 85211490 is an abundant number, because the sum of its proper divisors (173143518) is greater than itself. Its abundance is 87932028
Bases of 85211490
- Binary: 1010001010000111001011000102
- Hexadecimal: 0x5143962
- Base-36: 1EQDLU
Squares and roots of 85211490
- 85211490 squared (852114902) is 7260998028020100
- 85211490 cubed (852114903) is 618720460854654470949000
-
The
square root of 85211490 is 9231.0069873227 -
The
cube root of 85211490 is 440.0473261767
Scales and comparisons
How big is 85211490?- 85,211,490 seconds is equal to 2 years, 36 weeks, 6 days, 5 hours, 51 minutes, 30 seconds.
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To count from 1 to 85,211,490 would take you about four 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 85211490 cubic inches would be around 36.7 feet tall.
Recreational maths with 85211490
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