31128172 is an even 8-digits composite number following 31128171
and preceding 31128173 . In scientific notation, it is written as 3.1128172 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 15190656 positive integers (up to 31128172) that are relatively prime to 31128172.
31128172 has 24 divisors, whose sum is 55792800
The reverse of 31128172 is 27182113
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty-one million one hundred twenty-eight thousand one hundred seventy-two
Scientific notation
3.1128172 × 10^7
Engineering notation
3.1128172 × 10^6
Prime Factorization
2 × 2 × 359 × 53 × 409
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15564086
Product of the distinct prime numbers
The prime factorization of 31128172 is 2 × 2 × 359 × 53 × 409.
Since it has a total of 5 prime factors.
1 , 10 , 43 , 94 , 422 , 102 , 161 , 1163 , 16531 , 72131 , 683344 , 937331 , 2993549 , 5519379 , 65341454 , 52645128 , 316897514 , 593618843 , 4894737981 , 2758104189
n×2
62256344
n×3
93384516
n×4
124512688
n×5
155640860
n÷2
15564086
n÷3
10376057.333333
n÷3
7782043
n÷5
6225634.4
n2
968963092061584
n3
3.0162049791345E+22
n4
9.3888947377755E+29
n5
2.9225913028737E+37
2 √n
5579.2626753004
3 √n
314.57041298143
4 √n
74.694462146135
5 √n
31.523230929362
1 , 2 , 4 , 53 , 106 , 212 , 359 , 409 , 718 , 818 , 1436 , 1636 , 19027 , 21677 , 38054 , 43354 , 76108 , 86708 , 146831 , 293662 , 587324 , 7782043 , 15564086 , 31128172
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31128171
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31128172 can be divided by 24 positive divisors.
The sum of these divisors (counting 31128172) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110101111101001101100
3
Ternary
2011120110211021
4
Quaternary
1312233221230
5
Quinary
30432100142
6
Senary
3031103524
8
Octal
166575154
10
Decimal
31128172
12
Duodecimal
a511ba4
16
Hexadecimal
1dafa6c
20
Vigesimal
9eb08c
36
Base36
ij6ng
md5
c728cc20160d432eced64c8d3c695d92
sha1
1045d4741ef00856da614e4d3ae6902e709a452d
sha256
9a2fac300203be68e6d59271f8c98d1557d86c891f344130305185d288824f1d
sha512
ccf6cc4c809e511ac9e7f8bc71d2efaa759319b64e67006c446ee2d65c3aeca0228c9f7866baad11fff9e7cf1ee9088e22648206232b0a65dac47589e4b1183d
ripemd-160
ede5e9594fc5706460dd7f95f78c93b1bb025373
Diameter
62256344
Circumference
195584072.94976
Area
3.0440873316203E+15
Volume
1.2634249872226E+23
Surface area
1.2176349326481E+16
Circumference
195584072.94976
Perimeter
124512688
Area
968963092061584
Diagonal
44021883.014282
Surface area
5813778552369504
Volume
3.0162049791345E+22
Space diagonal
53915575.450743
Perimeter
93384516
Area
4.1957332652743E+14
Altitude
26957787.725371
Surface area
4.1957332652743E+14
Volume
3.554631656991E+21
Height
14673961.004761