31661641 is an odd 8-digits composite number following 31661640
and preceding 31661642 . In scientific notation, it is written as 3.1661641 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 28783300 positive integers (up to 31661641) that are relatively prime to 31661641.
31661641 has 4 divisors, whose sum is 34539984
The reverse of 31661641 is 14616613
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-one million six hundred sixty-one thousand six hundred forty-one
Scientific notation
3.1661641 × 10^7
Engineering notation
3.1661641 × 10^6
Prime Factorization
11 × 2878331
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31661641
Product of the distinct prime numbers
The prime factorization of 31661641 is 11 × 2878331.
Since it has a total of 2 prime factors.
8 , 3 , 47 , 62 , 321 , 13 , 2335 , 4870 , 85965 , 11567 , 773685 , 827500 , 3708323 , 6195458 , 66520290 , 89801730 , 194088452 , 353391071 , 6213795859 , 2632218787
n×2
63323282
n×3
94984923
n×4
126646564
n×5
158308205
n÷2
15830820.5
n÷3
10553880.333333
n÷3
7915410.25
n÷5
6332328.2
n2
1002459510812881
n3
3.1739513148393E+22
n4
1.0049250708192E+30
n5
3.1817576824177E+37
2 √n
5626.8677787913
3 √n
316.35726097593
4 √n
75.012450825122
5 √n
31.630545663014
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31661640
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31661641 can be divided by 4 positive divisors.
The sum of these divisors (counting 31661641) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000110001111001001001
3
Ternary
2012120120121101
4
Quaternary
1320301321021
5
Quinary
31101133031
6
Senary
3050341401
8
Octal
170617111
10
Decimal
31661641
12
Duodecimal
a72a861
16
Hexadecimal
1e31e49
20
Vigesimal
9hhe21
36
Base36
iuma1
md5
bf86c2218b6397e0a619b1bbbe7f6ce4
sha1
1e3924ff0af8e2ff7d3aa1ed4136976804ef46ee
sha256
b67117b37a9ce2c1258d404f6480fb33d132c739895577f877f8ca1fa7213d21
sha512
6310390c3b438fe4a2334bb3d65792828ae8009852868e1d72d209d015c7fd43214b38f5794767555256a617138e97115bbef648a40d4ff8869d706853d0dafe
ripemd-160
0b7ccddd58343ade2f46e16856c7630a088d45b8
Diameter
63323282
Circumference
198935957.53239
Area
3.149319434691E+15
Volume
1.3295016178068E+23
Surface area
1.2597277738764E+16
Circumference
198935957.53239
Perimeter
126646564
Area
1002459510812881
Diagonal
44776322.109188
Surface area
6014757064877286
Volume
3.1739513148393E+22
Space diagonal
54839570.863006
Perimeter
94984923
Area
4.3407770131464E+14
Altitude
27419785.431503
Surface area
4.3407770131464E+14
Volume
3.7405374964647E+21
Height
14925440.703063