31139971 is an odd 8-digits composite number following 31139970
and preceding 31139972 . In scientific notation, it is written as 3.1139971 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 29153280 positive integers (up to 31139971) that are relatively prime to 31139971.
31139971 has 8 divisors, whose sum is 33146064
The reverse of 31139971 is 17993113
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
thirty-one million one hundred thirty-nine thousand nine hundred seventy-one
Scientific notation
3.1139971 × 10^7
Engineering notation
3.1139971 × 10^6
Prime Factorization
17 × 193 × 9491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31139971
Product of the distinct prime numbers
The prime factorization of 31139971 is 17 × 193 × 9491.
Since it has a total of 3 prime factors.
8 , 3 , 95 , 81 , 972 , 122 , 8509 , 957 , 24585 , 62248 , 741347 , 971782 , 6836471 , 4253413 , 7292121 , 48967572 , 373677307 , 461612115 , 1159209729 , 1581220755
n×2
62279942
n×3
93419913
n×4
124559884
n×5
155699855
n÷2
15569985.5
n÷3
10379990.333333
n÷3
7784992.75
n÷5
6227994.2
n2
969697793880841
n3
3.0196361180213E+22
n4
9.4031381145737E+29
n5
2.9281344819682E+37
2 √n
5580.3199729048
3 √n
314.61015348235
4 √n
74.701539294079
5 √n
31.525620316193
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31139970
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31139971 can be divided by 8 positive divisors.
The sum of these divisors (counting 31139971) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110110010100010000011
3
Ternary
2011121002000021
4
Quaternary
1312302202003
5
Quinary
30432434341
6
Senary
3031234311
8
Octal
166624203
10
Decimal
31139971
12
Duodecimal
a518997
16
Hexadecimal
1db2883
20
Vigesimal
9ec9ib
36
Base36
ijfr7
md5
81fb1c017940da21367b5f3738e74f10
sha1
44d7603489da30fb11b828b80c20c86a8ffa8df9
sha256
595458a83b739875bfc7cff8f956731c8d3a041d01c64b29b2841e61241c8fe1
sha512
b23310962dc17047d88c833383ce5a11120548a2054465e0d96e09be581632639763bd90d1da87fbb4dda73c1fd10a93c9128c258c90a9a493b7c64fdd355e8d
ripemd-160
badc7420bab4c0c67dbac777f1d25a4d8db065dc
Diameter
62279942
Circumference
195658208.2532
Area
3.0463954654583E+15
Volume
1.2648622193187E+23
Surface area
1.2185581861833E+16
Circumference
195658208.2532
Perimeter
124559884
Area
969697793880841
Diagonal
44038569.320105
Surface area
5818186763285046
Volume
3.0196361180213E+22
Space diagonal
53936011.918221
Perimeter
93419913
Area
4.1989146174727E+14
Altitude
26968005.959111
Surface area
4.1989146174727E+14
Volume
3.5586752929478E+21
Height
14679523.106702