31305870 is an even 8-digits composite number following 31305869
and preceding 31305871 . In scientific notation, it is written as 3.1305870 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 8284032 positive integers (up to 31305870) that are relatively prime to 31305870.
31305870 has 32 divisors, whose sum is 63093600
The reverse of 31305870 is 07850313
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
thirty-one million three hundred five thousand eight hundred seventy
Scientific notation
3.1305870 × 10^7
Engineering notation
3.1305870 × 10^6
Prime Factorization
2 × 5 × 9 × 137 × 2539
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31305870
Product of the distinct prime numbers
The prime factorization of 31305870 is 2 × 5 × 9 × 137 × 2539.
Since it has a total of 5 prime factors.
5 , 6 , 41 , 91 , 636 , 796 , 9107 , 3557 , 81119 , 55226 , 511500 , 715289 , 744466 , 860369 , 98053722 , 60123555 , 440274958 , 582090456 , 4294324489 , 4613485850
n×2
62611740
n×3
93917610
n×4
125223480
n×5
156529350
n÷2
15652935
n÷3
10435290
n÷3
7826467.5
n÷5
6261174
n2
980057496456900
n3
3.0681552576605E+22
n4
9.6051269636137E+29
n5
3.0069685605638E+37
2 √n
5595.1648769272
3 √n
315.16786215618
4 √n
74.800834734161
5 √n
31.559139673343
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 137 , 274 , 685 , 1233 , 1370 , 2466 , 2539 , 5078 , 6165 , 12330 , 12695 , 22851 , 25390 , 45702 , 114255 , 228510 , 347843 , 695686 , 1739215 , 3130587 , 3478430 , 6261174 , 15652935 , 31305870
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31305869
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31305870 can be divided by 32 positive divisors.
The sum of these divisors (counting 31305870) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110111011011000010001110
3
Ternary
2011220111120200
4
Quaternary
1313123002032
5
Quinary
31003241440
6
Senary
3034554330
8
Octal
167330216
10
Decimal
31305870
12
Duodecimal
a5989a6
16
Hexadecimal
1ddb08e
20
Vigesimal
9fd4da
36
Base36
imzri
md5
0a32ff23a8f7206f8ce788fd10d0707c
sha1
f027e0d83a7abd1235ac39fd4cb100fbc84df4f1
sha256
674a4ca443f853337d3e1326971a9904530a0642705ef599eb1eab9ba1727254
sha512
ca63fa1e95c35c507c4838e57b229d9095dcdea03a62d169f07336b4a12580bf17300344552a1571a721243b6589e587cf34358a0e964208fc9de8f1f495d0dc
ripemd-160
c4c4c7d0af1c78ede86c4530a2f9f744194d03e9
Diameter
62611740
Circumference
196700582.41247
Area
3.0789414309646E+15
Volume
1.2851858690052E+23
Surface area
1.2315765723858E+16
Circumference
196700582.41247
Perimeter
125223480
Area
980057496456900
Diagonal
44273185.935889
Surface area
5880344978741400
Volume
3.0681552576605E+22
Space diagonal
54223357.415146
Perimeter
93917610
Area
4.2437734455053E+14
Altitude
27111678.707573
Surface area
4.2437734455053E+14
Volume
3.6158556473749E+21
Height
14757728.645296