31006972 is an even 8-digits composite number following 31006971
and preceding 31006973 . In scientific notation, it is written as 3.1006972 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 15491696 positive integers (up to 31006972) that are relatively prime to 31006972.
31006972 has 12 divisors, whose sum is 54303480
The reverse of 31006972 is 27960013
Previous prime number is 1979
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-one million six thousand nine hundred seventy-two
Scientific notation
3.1006972 × 10^7
Engineering notation
3.1006972 × 10^6
Prime Factorization
2 × 2 × 1979 × 3917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15503486
Product of the distinct prime numbers
The prime factorization of 31006972 is 2 × 2 × 1979 × 3917.
Since it has a total of 4 prime factors.
6 , 2 , 16 , 82 , 855 , 973 , 5329 , 2279 , 79522 , 93213 , 668788 , 22769 , 6577362 , 4696773 , 63225550 , 13857919 , 664436466 , 127634254 , 485672792 , 2765413289
n×2
62013944
n×3
93020916
n×4
124027888
n×5
155034860
n÷2
15503486
n÷3
10335657.333333
n÷3
7751743
n÷5
6201394.4
n2
961432312608784
n3
2.9811104796956E+22
n4
9.2435209172827E+29
n5
2.866135942636E+37
2 √n
5568.3904317136
3 √n
314.16161369526
4 √n
74.621648545939
5 √n
31.498644969897
1 , 2 , 4 , 1979 , 3917 , 3958 , 7834 , 7916 , 15668 , 7751743 , 15503486 , 31006972
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
-31006971
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 31006972 can be divided by 12 positive divisors.
The sum of these divisors (counting 31006972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110010010000011111100
3
Ternary
2011100022120101
4
Quaternary
1312102003330
5
Quinary
30414210342
6
Senary
3024330444
8
Octal
166220374
10
Decimal
31006972
12
Duodecimal
a473a24
16
Hexadecimal
1d920fc
20
Vigesimal
9dfh8c
36
Base36
igl4s
md5
a77f64dcda00a688eec06196a091e6fc
sha1
a98ebe2c06c7225211570bcdfaa409ab462badd5
sha256
5d2c19dd707fba86e4459462c14a76385bda3131826abdd63910537c40111a16
sha512
be3cc4175a0610d9391a70065b5291ed77e0dd168b1a650a112afef2bb13f9e50bc68ab61e73e34a98a4b1f8be268c830317c6890f4e0a4656dce3233b43b56d
ripemd-160
83bb45254cd6c254e431feee1d39b9ba3b0fc6f4
Diameter
62013944
Circumference
194822550.89053
Area
3.0204286902156E+15
Volume
1.2487246376735E+23
Surface area
1.2081714760862E+16
Circumference
194822550.89053
Perimeter
124027888
Area
961432312608784
Diagonal
43850480.330523
Surface area
5768593875652704
Volume
2.9811104796956E+22
Space diagonal
53705650.892866
Perimeter
93020916
Area
4.1631240336921E+14
Altitude
26852825.446433
Surface area
4.1631240336921E+14
Volume
3.513272392765E+21
Height
14616826.776841