31129628 is an even 8-digits composite number following 31129627
and preceding 31129629 . In scientific notation, it is written as 3.1129628 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 15404160 positive integers (up to 31129628) that are relatively prime to 31129628.
31129628 has 12 divisors, whose sum is 55039152
The reverse of 31129628 is 82692113
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirty-one million one hundred twenty-nine thousand six hundred twenty-eight
Scientific notation
3.1129628 × 10^7
Engineering notation
3.1129628 × 10^6
Prime Factorization
2 × 2 × 97 × 80231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15564814
Product of the distinct prime numbers
The prime factorization of 31129628 is 2 × 2 × 97 × 80231.
Since it has a total of 4 prime factors.
2 , 2 , 89 , 2 , 847 , 221 , 3168 , 6011 , 75901 , 75846 , 557382 , 625398 , 1902007 , 9137219 , 2622072 , 53500414 , 152149809 , 377500322 , 7135361255 , 4929207850
n×2
62259256
n×3
93388884
n×4
124518512
n×5
155648140
n÷2
15564814
n÷3
10376542.666667
n÷3
7782407
n÷5
6225925.6
n2
969053739418384
n3
3.0166282420103E+22
n4
9.3906514988075E+29
n5
2.9232748783552E+37
2 √n
5579.3931569661
3 √n
314.57531751379
4 √n
74.695335577036
5 √n
31.52352581957
1 , 2 , 4 , 97 , 194 , 388 , 80231 , 160462 , 320924 , 7782407 , 15564814 , 31129628
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
-31129627
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 31129628 can be divided by 12 positive divisors.
The sum of these divisors (counting 31129628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110110000000000011100
3
Ternary
2011120112211012
4
Quaternary
1312300000130
5
Quinary
30432122003
6
Senary
3031114352
8
Octal
166600034
10
Decimal
31129628
12
Duodecimal
a5129b8
16
Hexadecimal
1db001c
20
Vigesimal
9eb418
36
Base36
ij7rw
md5
498bb50f6720b191b920b9590f4b4fdb
sha1
7458ed00197b2a255f3e71a54238f0e8718b8222
sha256
23cfbd39091dd7ead80867aaf9d707905b75482250dfd8c2ca7653ebdf9e0a5e
sha512
9ae790b5fe22500c90230e493a9b29abb1552991584e4b07df383c662612d31df976f73b2f8eac4b5f539b05ba4b67e8edccf9d2813ff4d387907681b946e4b4
ripemd-160
b56d3b3d047b0887bd954bb9979d5ff429b2fa82
Diameter
62259256
Circumference
195593221.26757
Area
3.0443721086905E+15
Volume
1.2636022831615E+23
Surface area
1.2177488434762E+16
Circumference
195593221.26757
Perimeter
124518512
Area
969053739418384
Diagonal
44023942.109229
Surface area
5814322436510304
Volume
3.0166282420103E+22
Space diagonal
53918097.316719
Perimeter
93388884
Area
4.1961257798431E+14
Altitude
26959048.658359
Surface area
4.1961257798431E+14
Volume
3.5551304770739E+21
Height
14674647.369743