129640931 is an odd 9-digits composite number following 129640930
and preceding 129640932 . In scientific notation, it is written as 1.29640931 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 110454408 positive integers (up to 129640931) that are relatively prime to 129640931.
129640931 has 8 divisors, whose sum is 149049600
The reverse of 129640931 is 139046921
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-nine million six hundred forty thousand nine hundred thirty-one
Scientific notation
1.29640931 × 10^8
Engineering notation
1.29640931 × 10^6
Prime Factorization
7 × 167 × 110899
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129640931
Product of the distinct prime numbers
The prime factorization of 129640931 is 7 × 167 × 110899.
Since it has a total of 3 prime factors.
1 , 6 , 40 , 62 , 274 , 474 , 4358 , 9845 , 99923 , 36069 , 442248 , 234500 , 8650501 , 3477107 , 92671057 , 7939943 , 446052556 , 964104786 , 1846363358 , 7643253067
n×2
259281862
n×3
388922793
n×4
518563724
n×5
648204655
n÷2
64820465.5
n÷3
43213643.666667
n÷3
32410232.75
n÷5
25928186.2
n2
16806770990546761
n3
2.1788454383183E+24
n4
2.8246755112868E+32
n5
3.6619356305613E+40
2 √n
11385.997145617
3 √n
506.11286910187
4 √n
106.70518799767
5 √n
41.932275281848
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129640930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129640931 can be divided by 8 positive divisors.
The sum of these divisors (counting 129640931) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110100010100111100011
3
Ternary
100000221102220222
4
Quaternary
13232202213203
5
Quinary
231142002211
6
Senary
20510353255
8
Octal
756424743
10
Decimal
129640931
12
Duodecimal
374bb82b
16
Hexadecimal
7ba29e3
20
Vigesimal
20a526b
36
Base36
256nkz
md5
1cfd249262e17411cce8a28a475a26bf
sha1
435d3be4067b6afdda5e8a5437684e8bbd816e11
sha256
fdbf7f1234fdee4035066583fa5c6ffa092cad4ef5714a9950cb3064f8d3a96d
sha512
7325d8982b92e4bea5d5091f20bbbe4209e48a81b3873b42c245857a4626221ca7175bfc93163e4a59933a8b51ca7c4753ab97be2d557e6fb984f4ce0a323d5e
ripemd-160
cebe4735b958d12569ff42d79d46c35bd65e7a11
Diameter
259281862
Circumference
814557992.86828
Area
5.2800028274468E+16
Volume
9.1267264297711E+24
Surface area
2.1120011309787E+17
Circumference
814557992.86828
Perimeter
518563724
Area
16806770990546761
Diagonal
183339962.85887
Surface area
100840625943280566
Volume
2.1788454383183E+24
Space diagonal
224544679.23253
Perimeter
388922793
Area
7.2775453167004E+15
Altitude
112272339.61627
Surface area
7.2775453167004E+15
Volume
2.5677939743204E+23
Height
61113320.952958