172990090
172,990,090 is an even composite number composed of five prime numbers multiplied together.
172990090 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 172990090:
2 × 5 × 72 × 132 × 2089
(2 × 5 × 7 × 7 × 13 × 13 × 2089)See below for interesting mathematical facts about the number 172990090 from the Numbermatics database.
Names of 172990090
- Cardinal: 172990090 can be written as One hundred seventy-two million, nine hundred ninety thousand and ninety.
Scientific notation
- Scientific notation: 1.7299009 × 108
Factors of 172990090
Divisors of 172990090
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 5 7 10 13 14 26 35 49 65 70 91 98 130 169 182 245 338 455 490 637 845 910 1183 1274 1690 2089 2366 3185 4178 5915 6370 8281 10445 11830 14623 16562 20890 27157 29246 41405 54314 73115 82810 102361 135785 146230 190099 204722 271570 353041 380198 511805 706082 950495 1023610 1330693 1765205 1900990 2471287 2661386 3530410 4942574 6653465 12356435 13306930 17299009 24712870 34598018 86495045 172990090
- Sum of all divisors σ(n): 392414220
- Sum of proper divisors (its aliquot sum) s(n): 219424130
- 172990090 is an abundant number, because the sum of its proper divisors (219424130) is greater than itself. Its abundance is 46434040
Bases of 172990090
- Binary: 10100100111110011110100010102
- Hexadecimal: 0xA4F9E8A
- Base-36: 2UZS0A
Squares and roots of 172990090
- 172990090 squared (1729900902) is 29925571238208100
- 172990090 cubed (1729900903) is 5176827261799030657729000
-
The
square root of 172990090 is 13152.5697108969 -
The
cube root of 172990090 is 557.1948258401
Scales and comparisons
How big is 172990090?- 172,990,090 seconds is equal to 5 years, 26 weeks, 4 hours, 48 minutes, 10 seconds.
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To count from 1 to 172,990,090 would take you about 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 172990090 cubic inches would be around 46.4 feet tall.
Recreational maths with 172990090
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