131521907 is an odd 9-digits composite number following 131521906
and preceding 131521908 . In scientific notation, it is written as 1.31521907 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 115668000 positive integers (up to 131521907) that are relatively prime to 131521907.
131521907 has 16 divisors, whose sum is 148220160
The reverse of 131521907 is 709125131
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred thirty-one million five hundred twenty-one thousand nine hundred seven
Scientific notation
1.31521907 × 10^8
Engineering notation
1.31521907 × 10^6
Prime Factorization
11 × 109 × 43 × 2551
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
131521907
Product of the distinct prime numbers
The prime factorization of 131521907 is 11 × 109 × 43 × 2551.
Since it has a total of 4 prime factors.
3 , 2 , 29 , 45 , 848 , 626 , 177 , 1506 , 85775 , 39248 , 359619 , 101540 , 3915731 , 3451058 , 89729155 , 42452599 , 528096674 , 649829974 , 4670542718 , 6149730244
n×2
263043814
n×3
394565721
n×4
526087628
n×5
657609535
n÷2
65760953.5
n÷3
43840635.666667
n÷3
32880476.75
n÷5
26304381.4
n2
17298012020916649
n3
2.2750675282999E+24
n4
2.9922121987578E+32
n5
3.9354145452928E+40
2 √n
11468.300091993
3 √n
508.54887638512
4 √n
107.09014936955
5 √n
42.053255273416
1 , 11 , 43 , 109 , 473 , 1199 , 2551 , 4687 , 28061 , 51557 , 109693 , 278059 , 1206623 , 3058649 , 11956537 , 131521907
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
-131521906
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 131521907 can be divided by 16 positive divisors.
The sum of these divisors (counting 131521907) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110101101101110101110011
3
Ternary
100011111000010202
4
Quaternary
13311231311303
5
Quinary
232132200112
6
Senary
21014545415
8
Octal
765556563
10
Decimal
131521907
12
Duodecimal
3806826b
16
Hexadecimal
7d6dd73
20
Vigesimal
21204f7
36
Base36
26ayyb
md5
996463f71040e3dac766fd795a1dc8be
sha1
783fb4330c4429ca218987c795ff048f01f6ea76
sha256
67f41c9fa0e9b8ad85a270aa518665b18a5cdfd5719d6bd9e38d920f37fc0713
sha512
686b194bc317467eb7971fdb9c477258da26801db92ad3aaba3e3c774b12c14a98fdd25e5ad59b44dd37a4cbbd5398499dabf80a12d92344e7498f045e575b09
ripemd-160
1004986056cf079b668d8d77644aebbd6dc2136c
Diameter
263043814
Circumference
826376513.63464
Area
5.434330748662E+16
Volume
9.5297805777701E+24
Surface area
2.1737322994648E+17
Circumference
826376513.63464
Perimeter
526087628
Area
17298012020916649
Diagonal
186000064.62857
Surface area
103788072125499894
Volume
2.2750675282999E+24
Space diagonal
227802625.23235
Perimeter
394565721
Area
7.4902589225412E+15
Altitude
113901312.61617
Surface area
7.4902589225412E+15
Volume
2.6811927948636E+23
Height
62000021.542858