31385457090
31,385,457,090 is an even composite number composed of seven prime numbers multiplied together.
31385457090 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 31385457090:
2 × 32 × 5 × 13 × 61 × 157 × 2801
(2 × 3 × 3 × 5 × 13 × 61 × 157 × 2801)See below for interesting mathematical facts about the number 31385457090 from the Numbermatics database.
Names of 31385457090
- Cardinal: 31385457090 can be written as Thirty-one billion, three hundred eighty-five million, four hundred fifty-seven thousand and ninety.
Scientific notation
- Scientific notation: 3.138545709 × 1010
Factors of 31385457090
Divisors of 31385457090
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 26 30 39 45 61 65 78 90 117 122 130 157 183 195 234 305 314 366 390 471 549 585 610 785 793 915 942 1098 1170 1413 1570 1586 1830 2041 2355 2379 2745 2801 2826 3965 4082 4710 4758 5490 5602 6123 7065 7137 7930 8403 9577 10205 11895 12246 14005 14130 14274 16806 18369 19154 20410 23790 25209 28010 28731 30615 35685 36413 36738 42015 47885 50418 57462 61230 71370 72826 84030 86193 91845 95770 109239 124501 126045 143655 170861 172386 182065 183690 218478 249002 252090 287310 327717 341722 364130 373503 430965 439757 512583 546195 622505 655434 747006 854305 861930 879514 1025166 1092390 1120509 1245010 1319271 1537749 1638585 1708610 1867515 2198785 2221193 2241018 2562915 2638542 3075498 3277170 3735030 3957813 4397570 4442386 5125830 5602545 5716841 6596355 6663579 7688745 7915626 11105965 11205090 11433682 13192710 13327158 15377490 17150523 19789065 19990737 22211930 26825177 28584205 33317895 34301046 39578130 39981474 51451569 53650354 57168410 66635790 80475531 85752615 99953685 102903138 134125885 160951062 171505230 199907370 241426593 257257845 268251770 348727301 402377655 482853186 514515690 697454602 804755310 1046181903 1207132965 1743636505 2092363806 2414265930 3138545709 3487273010 5230909515 6277091418 10461819030 15692728545 31385457090
- Sum of all divisors σ(n): 89920932192
- Sum of proper divisors (its aliquot sum) s(n): 58535475102
- 31385457090 is an abundant number, because the sum of its proper divisors (58535475102) is greater than itself. Its abundance is 27150018012
Bases of 31385457090
- Binary: 111010011101011100000010001110000102
- Hexadecimal: 0x74EB811C2
- Base-36: EF239OI
Squares and roots of 31385457090
- 31385457090 squared (313854570902) is 985046916748231268100
- 31385457090 cubed (313854570903) is 30916147737238414798348835829000
-
The
square root of 31385457090 is 177159.4115196819 -
The
cube root of 31385457090 is 3154.3471378335
Scales and comparisons
How big is 31385457090?- 31,385,457,090 seconds is equal to 997 years, 49 weeks, 6 days, 14 hours, 31 minutes, 30 seconds.
-
To count from 1 to 31,385,457,090 would take you about one thousand, nine hundred ninety-five 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 31385457090 cubic inches would be around 262.9 feet tall.
Recreational maths with 31385457090
- 31385457090 backwards is 09075458313
- 31385457090 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31385457090's digits is 45
- More coming soon!
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