31129640 is an even 8-digits composite number following 31129639
and preceding 31129641 . In scientific notation, it is written as 3.1129640 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors.
There are 12451840 positive integers (up to 31129640) that are relatively prime to 31129640.
31129640 has 16 divisors, whose sum is 70041780
The reverse of 31129640 is 04692113
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
thirty-one million one hundred twenty-nine thousand six hundred forty
Scientific notation
3.1129640 × 10^7
Engineering notation
3.1129640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 778241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7782410
Product of the distinct prime numbers
The prime factorization of 31129640 is 2 × 2 × 2 × 5 × 778241.
Since it has a total of 5 prime factors.
8 , 3 , 54 , 30 , 951 , 258 , 2293 , 3080 , 30627 , 77923 , 96629 , 178834 , 7576544 , 6341380 , 59989818 , 82131915 , 577402629 , 389298403 , 3047753173 , 6861490145
n×2
62259280
n×3
93388920
n×4
124518560
n×5
155648200
n÷2
15564820
n÷3
10376546.666667
n÷3
7782410
n÷5
6225928
n2
969054486529600
n3
3.0166317306051E+22
n4
9.3906659786315E+29
n5
2.9232805127505E+37
2 √n
5579.3942323518
3 √n
314.57535793512
4 √n
74.695342775515
5 √n
31.523528249938
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 778241 , 1556482 , 3112964 , 3891205 , 6225928 , 7782410 , 15564820 , 31129640
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31129639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31129640 can be divided by 16 positive divisors.
The sum of these divisors (counting 31129640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110110000000000101000
3
Ternary
2011120112211122
4
Quaternary
1312300000220
5
Quinary
30432122030
6
Senary
3031114412
8
Octal
166600050
10
Decimal
31129640
12
Duodecimal
a512a08
16
Hexadecimal
1db0028
20
Vigesimal
9eb420
36
Base36
ij7s8
md5
d0a4a6f134f7349b65662d9c7e347a3c
sha1
0a577cbb9713544833f4f0b8f5116c7f361c20d5
sha256
a8b1a360e591aff36f2054f87b37c7460ffde9172419135465918df8990af72b
sha512
234cbcc03e82f4d27f60ece88366cfcf78e8351961116370504606c6e5501cff868e3dcc28e4eaef65b27343dd8f65e6a39443ead81308287476fc8d583b0690
ripemd-160
7c3854fecb0f845f9c3345ae2a1ea1e85f1e2704
Diameter
62259280
Circumference
195593296.66579
Area
3.0443744558096E+15
Volume
1.2636037444607E+23
Surface area
1.2177497823238E+16
Circumference
195593296.66579
Perimeter
124518560
Area
969054486529600
Diagonal
44023959.079792
Surface area
5814326919177600
Volume
3.0166317306051E+22
Space diagonal
53918118.101328
Perimeter
93388920
Area
4.1961290149296E+14
Altitude
26959059.050664
Surface area
4.1961290149296E+14
Volume
3.5551345884223E+21
Height
14674653.026597