129121031 is an odd 9-digits composite number following 129121030
and preceding 129121032 . In scientific notation, it is written as 1.29121031 × 10^8.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 119188632 positive integers (up to 129121031) that are relatively prime to 129121031.
129121031 has 4 divisors, whose sum is 139053432
The reverse of 129121031 is 130121921
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 20
Digital Root 2
Name
one hundred twenty-nine million one hundred twenty-one thousand thirty-one
Scientific notation
1.29121031 × 10^8
Engineering notation
1.29121031 × 10^6
Prime Factorization
13 × 9932387
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129121031
Product of the distinct prime numbers
The prime factorization of 129121031 is 13 × 9932387.
Since it has a total of 2 prime factors.
2 , 3 , 93 , 58 , 438 , 233 , 7869 , 4592 , 24615 , 40976 , 250892 , 809496 , 6870674 , 851984 , 5824712 , 90632476 , 763872871 , 908447559 , 1417000233 , 9207460360
n×2
258242062
n×3
387363093
n×4
516484124
n×5
645605155
n÷2
64560515.5
n÷3
43040343.666667
n÷3
32280257.75
n÷5
25824206.2
n2
16672240646502961
n3
2.1527369013566E+24
n4
2.7796360817491E+32
n5
3.5890947668024E+40
2 √n
11363.143535131
3 √n
505.4354066012
4 √n
106.59804658216
5 √n
41.898588937633
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
-129121030
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 129121031 can be divided by 4 positive divisors.
The sum of these divisors (counting 129121031) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100100011101100000111
3
Ternary
22222222000202102
4
Quaternary
13230203230013
5
Quinary
231023333111
6
Senary
20451302315
8
Octal
754435407
10
Decimal
129121031
12
Duodecimal
372aa99b
16
Hexadecimal
7b23b07
20
Vigesimal
20702bb
36
Base36
24vifb
md5
4d893e9073493e7e7f725ab7d858eaa3
sha1
47af72b3ba1ef30ff0d28dc352bf5c53b5d2c9a7
sha256
d2a92e9fe0480ada45106484a78b2541cffd29a0e6ffe920385e6328cf88464a
sha512
41ca662eb367d871c6dc1ca368b57765d78774e6956175adc61fd3362995578ca978626f960382ea77c914120583370d186f1c0013d2e2115db6c22490232372
ripemd-160
834fa04a9bf023c3c57cc66d895fcd820cca3fe5
Diameter
258242062
Circumference
811291364.82708
Area
5.2377388733935E+16
Volume
9.0173632458846E+24
Surface area
2.0950955493574E+17
Circumference
811291364.82708
Perimeter
516484124
Area
16672240646502961
Diagonal
182604713.2278
Surface area
100033443879017766
Volume
2.1527369013566E+24
Space diagonal
223644186.01768
Perimeter
387363093
Area
7.2192919689395E+15
Altitude
111822093.00884
Surface area
7.2192919689395E+15
Volume
2.5370247684329E+23
Height
60868237.742599