129207931 is an odd 9-digits composite number following 129207930
and preceding 129207932 . In scientific notation, it is written as 1.29207931 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 129184200 positive integers (up to 129207931) that are relatively prime to 129207931.
129207931 has 4 divisors, whose sum is 129231664
The reverse of 129207931 is 139702921
Previous prime number is 8461
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-nine million two hundred seven thousand nine hundred thirty-one
Scientific notation
1.29207931 × 10^8
Engineering notation
1.29207931 × 10^6
Prime Factorization
8461 × 15271
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129207931
Product of the distinct prime numbers
The prime factorization of 129207931 is 8461 × 15271.
Since it has a total of 2 prime factors.
6 , 1 , 48 , 74 , 866 , 717 , 8134 , 8155 , 84741 , 54171 , 856687 , 383410 , 1400288 , 9496256 , 83418002 , 81340646 , 611325309 , 428008334 , 4124688392 , 12522241
n×2
258415862
n×3
387623793
n×4
516831724
n×5
646039655
n÷2
64603965.5
n÷3
43069310.333333
n÷3
32301982.75
n÷5
25841586.2
n2
16694689433300761
n3
2.1570862803644E+24
n4
2.7871265527436E+32
n5
3.6011885531517E+40
2 √n
11366.96665782
3 √n
505.5487692005
4 √n
106.61597749784
5 √n
41.904227070437
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
-129207930
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 129207931 can be divided by 4 positive divisors.
The sum of these divisors (counting 129207931) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100111000111001111011
3
Ternary
100000010102221221
4
Quaternary
13230320321323
5
Quinary
231034123211
6
Senary
20453212511
8
Octal
754707173
10
Decimal
129207931
12
Duodecimal
37331137
16
Hexadecimal
7b38e7b
20
Vigesimal
207ajgb
36
Base36
24xdh7
md5
3d9469568fc58cc808ad224046892731
sha1
af6e73e93097e685d397f5bd12d4d15d67d87286
sha256
d400e2e6c1e96308257eeec927fcfee90d3b2a5fe48576e6c3100238be8e90ef
sha512
6ee07341e742c0908ebf6ae0ab106472ba045d72217a5f8cdb9e54e97c8f422f2061541e8c56b352c221325098ecc16285612f35704e17eb24d56c3644345840
ripemd-160
9086c5e21557d51be5a00d0ddc3d89c8b22e0527
Diameter
258415862
Circumference
811837373.63027
Area
5.2447913677621E+16
Volume
9.0355818820693E+24
Surface area
2.0979165471048E+17
Circumference
811837373.63027
Perimeter
516831724
Area
16694689433300761
Diagonal
182727608.38637
Surface area
100168136599804566
Volume
2.1570862803644E+24
Space diagonal
223794701.23285
Perimeter
387623793
Area
7.229012578765E+15
Altitude
111897350.61643
Surface area
7.229012578765E+15
Volume
2.5421505607502E+23
Height
60909202.795456