131279620 is an even 9-digits composite number following 131279619
and preceding 131279621 . In scientific notation, it is written as 1.31279620 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 52511840 positive integers (up to 131279620) that are relatively prime to 131279620.
131279620 has 12 divisors, whose sum is 275687244
The reverse of 131279620 is 026972131
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred thirty-one million two hundred seventy-nine thousand six hundred twenty
Scientific notation
1.31279620 × 10^8
Engineering notation
1.31279620 × 10^6
Prime Factorization
2 × 2 × 5 × 6563981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
65639810
Product of the distinct prime numbers
The prime factorization of 131279620 is 2 × 2 × 5 × 6563981.
Since it has a total of 4 prime factors.
6 , 6 , 89 , 19 , 410 , 947 , 3849 , 1928 , 56028 , 62725 , 114227 , 670641 , 5667515 , 4621432 , 7983053 , 69643413 , 956628913 , 772749754 , 8014931872 , 2646482513
n×2
262559240
n×3
393838860
n×4
525118480
n×5
656398100
n÷2
65639810
n÷3
43759873.333333
n÷3
32819905
n÷5
26255924
n2
17234338627344400
n3
2.2625174259491E+24
n4
2.9702242792198E+32
n5
3.8992991469074E+40
2 √n
11457.731887245
3 √n
508.2364049416
4 √n
107.04079543448
5 √n
42.037749912281
1 , 2 , 4 , 5 , 10 , 20 , 6563981 , 13127962 , 26255924 , 32819905 , 65639810 , 131279620
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-131279619
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131279620 can be divided by 12 positive divisors.
The sum of these divisors (counting 131279620) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111110100110010101100000100
3
Ternary
100011000200210011
4
Quaternary
13310302230010
5
Quinary
232101421440
6
Senary
21005440004
8
Octal
764625404
10
Decimal
131279620
12
Duodecimal
37b70004
16
Hexadecimal
7d32b04
20
Vigesimal
2109j10
36
Base36
265s04
md5
ab9c853f843b272c9e3e8bdf0ebbf3c8
sha1
0ce6d9df8bf364145583464123e27681d0ec79fa
sha256
328e0e212e279b7ab6abb94a42f57e115ef8806b1a2cd3e938b3b4493d2e31a3
sha512
8ef52defff993f5e62c22d72986cac1a621abec564b01df95e056f61cee6e0316407195593cc4dff271c12df2c0380ab31faa586dd339400cfedd5340645ae5f
ripemd-160
20c96577687a806c94cb8c58eb89e9cba691835d
Diameter
262559240
Circumference
824854179.51612
Area
5.4143271621144E+16
Volume
9.4772108319741E+24
Surface area
2.1657308648458E+17
Circumference
824854179.51612
Perimeter
525118480
Area
17234338627344400
Diagonal
185657419.06719
Surface area
103406031764066400
Volume
2.2625174259491E+24
Space diagonal
227382971.83834
Perimeter
393838860
Area
7.4626875343518E+15
Altitude
113691485.91917
Surface area
7.4626875343518E+15
Volume
2.6664023574022E+23
Height
61885806.355729