131521908 is an even 9-digits composite number following 131521907
and preceding 131521909 . In scientific notation, it is written as 1.31521908 × 10^8.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 37577664 positive integers (up to 131521908) that are relatively prime to 131521908.
131521908 has 24 divisors, whose sum is 350725312
The reverse of 131521908 is 809125131
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred thirty-one million five hundred twenty-one thousand nine hundred eight
Scientific notation
1.31521908 × 10^8
Engineering notation
1.31521908 × 10^6
Prime Factorization
2 × 2 × 3 × 7 × 1565737
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
65760954
Product of the distinct prime numbers
The prime factorization of 131521908 is 2 × 2 × 3 × 7 × 1565737.
Since it has a total of 5 prime factors.
6 , 3 , 38 , 51 , 707 , 642 , 5144 , 4202 , 81955 , 65210 , 612368 , 870271 , 262583 , 1386866 , 36963693 , 99557730 , 482176469 , 552668632 , 9212702046 , 2449836034
n×2
263043816
n×3
394565724
n×4
526087632
n×5
657609540
n÷2
65760954
n÷3
43840636
n÷3
32880477
n÷5
26304381.6
n2
17298012283960464
n3
2.2750675801939E+24
n4
2.9922122897605E+32
n5
3.9354146949035E+40
2 √n
11468.300135591
3 √n
508.548877674
4 √n
107.09014957311
5 √n
42.053255337364
1 , 2 , 3 , 4 , 6 , 7 , 12 , 14 , 21 , 28 , 42 , 84 , 1565737 , 3131474 , 4697211 , 6262948 , 9394422 , 10960159 , 18788844 , 21920318 , 32880477 , 43840636 , 65760954 , 131521908
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
-131521907
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 131521908 can be divided by 24 positive divisors.
The sum of these divisors (counting 131521908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111110101101101110101110100
3
Ternary
100011111000010210
4
Quaternary
13311231311310
5
Quinary
232132200113
6
Senary
21014545420
8
Octal
765556564
10
Decimal
131521908
12
Duodecimal
38068270
16
Hexadecimal
7d6dd74
20
Vigesimal
21204f8
36
Base36
26ayyc
md5
38030e46499cd36b3a729614f15001ba
sha1
2a5983c129d3fdbcc2bd1eb7dbbe21163f9bf977
sha256
85e3d9f0e5a22d97f3c18406082c040602608f153bd1d48900823961314a5e51
sha512
38e67324932037b4b91c94c5db16a282c6463ceb340d5e6b9122a530e547cecc581f6726515ba8454cebd3bdc7a19e0b194476919144f742eba38a4759612204
ripemd-160
c33ce7a60807b56a412a733f87a334f7b2de5684
Diameter
263043816
Circumference
826376519.91783
Area
5.4343308312996E+16
Volume
9.5297807951434E+24
Surface area
2.1737323325198E+17
Circumference
826376519.91783
Perimeter
526087632
Area
17298012283960464
Diagonal
186000066.04279
Surface area
103788073703762784
Volume
2.2750675801939E+24
Space diagonal
227802626.9644
Perimeter
394565724
Area
7.4902590364425E+15
Altitude
113901313.4822
Surface area
7.4902590364425E+15
Volume
2.6811928560213E+23
Height
62000022.014262