31641640 is an even 8-digits composite number following 31641639
and preceding 31641641 . In scientific notation, it is written as 3.1641640 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors.
There are 12569344 positive integers (up to 31641640) that are relatively prime to 31641640.
31641640 has 32 divisors, whose sum is 71685000
The reverse of 31641640 is 04614613
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty-one million six hundred forty-one thousand six hundred forty
Scientific notation
3.1641640 × 10^7
Engineering notation
3.1641640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 149 × 5309
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7910410
Product of the distinct prime numbers
The prime factorization of 31641640 is 2 × 2 × 2 × 5 × 149 × 5309.
Since it has a total of 6 prime factors.
6 , 2 , 36 , 63 , 906 , 251 , 3800 , 1261 , 74623 , 43670 , 365710 , 810815 , 4236850 , 9438993 , 97340754 , 57584450 , 265980450 , 186165372 , 2266446555 , 5582410194
n×2
63283280
n×3
94924920
n×4
126566560
n×5
158208200
n÷2
15820820
n÷3
10547213.333333
n÷3
7910410
n÷5
6328328
n2
1001193381889600
n3
3.1679400560133E+22
n4
1.0023881879395E+30
n5
3.1717206183035E+37
2 √n
5625.0902214987
3 √n
316.29063151285
4 √n
75.000601474246
5 √n
31.626548381488
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 149 , 298 , 596 , 745 , 1192 , 1490 , 2980 , 5309 , 5960 , 10618 , 21236 , 26545 , 42472 , 53090 , 106180 , 212360 , 791041 , 1582082 , 3164164 , 3955205 , 6328328 , 7910410 , 15820820 , 31641640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31641639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31641640 can be divided by 32 positive divisors.
The sum of these divisors (counting 31641640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1111000101101000000101000
3
Ternary
2012112120011121
4
Quaternary
1320231000220
5
Quinary
31100013030
6
Senary
3050105024
8
Octal
170550050
10
Decimal
31641640
12
Duodecimal
a71b174
16
Hexadecimal
1e2d028
20
Vigesimal
9hf420
36
Base36
iu6ug
md5
a82e776fb63f761ddb89857396397ca6
sha1
da34cdf6f7efe359bb63fbbdf0cebd7ef246dfec
sha256
550bfc9d97706fdc03b49db23cbeeb561854fbe9b7cc1bc85554f432d40afdc3
sha512
ccbe3fa6042591220f29f2cf6c2705521dad39aead908a6d3a733486e3beb438514980f761699e61202be964e0fe2670b1a389b75bfb6e121dd8c4b101cb57db
ripemd-160
7abd392ba4ebef9d4733fcd8880a39ed85861432
Diameter
63283280
Circumference
198810287.54307
Area
3.1453417733671E+15
Volume
1.3269836275979E+23
Surface area
1.2581367093468E+16
Circumference
198810287.54307
Perimeter
126566560
Area
1001193381889600
Diagonal
44748036.423727
Surface area
6007160291337600
Volume
3.1679400560133E+22
Space diagonal
54804928.114804
Perimeter
94924920
Area
4.3352945140862E+14
Altitude
27402464.057402
Surface area
4.3352945140862E+14
Volume
3.7334531599992E+21
Height
14916012.141242