31012972 is an even 8-digits composite number following 31012971
and preceding 31012973 . In scientific notation, it is written as 3.1012972 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 15493680 positive integers (up to 31012972) that are relatively prime to 31012972.
31012972 has 12 divisors, whose sum is 54317536
The reverse of 31012972 is 27921013
Previous prime number is 1621
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty-one million twelve thousand nine hundred seventy-two
Scientific notation
3.1012972 × 10^7
Engineering notation
3.1012972 × 10^6
Prime Factorization
2 × 2 × 1621 × 4783
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15506486
Product of the distinct prime numbers
The prime factorization of 31012972 is 2 × 2 × 1621 × 4783.
Since it has a total of 4 prime factors.
3 , 10 , 27 , 87 , 213 , 167 , 6624 , 2150 , 96638 , 17216 , 271957 , 439228 , 6901754 , 9413892 , 55118130 , 47895981 , 729919124 , 181958102 , 7489328327 , 1849460884
n×2
62025944
n×3
93038916
n×4
124051888
n×5
155064860
n÷2
15506486
n÷3
10337657.333333
n÷3
7753243
n÷5
6202594.4
n2
961804432272784
n3
2.9828413927552E+22
n4
9.2506776593957E+29
n5
2.8689100723187E+37
2 √n
5568.9291609788
3 √n
314.18187632213
4 √n
74.625258197066
5 √n
31.499863903775
1 , 2 , 4 , 1621 , 3242 , 4783 , 6484 , 9566 , 19132 , 7753243 , 15506486 , 31012972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31012971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31012972 can be divided by 12 positive divisors.
The sum of these divisors (counting 31012972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110010011100001101100
3
Ternary
2011100121210121
4
Quaternary
1312103201230
5
Quinary
30414403342
6
Senary
3024414324
8
Octal
166234154
10
Decimal
31012972
12
Duodecimal
a4773a4
16
Hexadecimal
1d9386c
20
Vigesimal
9dgc8c
36
Base36
igprg
md5
ab8419c459288e6d7c239c9bf621c12d
sha1
ed22e2ec2828280fb68651278285a06a6e8f0822
sha256
c09a665a2158322478c9013bcff256e2529cb8db847e70ceb16e6db4409956a0
sha512
371ab20582d732b78105296a2d57f36bb573a1c7cdc0e1589264750bfcd097cacbd9105afc26d9471595be677110358ac98e0bf79d57d972432955535243b00e
ripemd-160
bc408ed54f87ca085fcc700ddc378b3d4cd0349e
Diameter
62025944
Circumference
194860250.00237
Area
3.0215977386183E+15
Volume
1.2494496808404E+23
Surface area
1.2086390954473E+16
Circumference
194860250.00237
Perimeter
124051888
Area
961804432272784
Diagonal
43858965.611897
Surface area
5770826593636704
Volume
2.9828413927552E+22
Space diagonal
53716043.197711
Perimeter
93038916
Area
4.1647353591035E+14
Altitude
26858021.598855
Surface area
4.1647353591035E+14
Volume
3.5153122933685E+21
Height
14619655.203966