129678906 is an even 9-digits composite number following 129678905
and preceding 129678907 . In scientific notation, it is written as 1.29678906 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 37007856 positive integers (up to 129678906) that are relatively prime to 129678906.
129678906 has 16 divisors, whose sum is 204019200
The reverse of 129678906 is 609876921
Previous prime number is 1399
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-nine million six hundred seventy-eight thousand nine hundred six
Scientific notation
1.29678906 × 10^8
Engineering notation
1.29678906 × 10^6
Prime Factorization
2 × 21 × 1399 × 2207
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129678906
Product of the distinct prime numbers
The prime factorization of 129678906 is 2 × 21 × 1399 × 2207.
Since it has a total of 4 prime factors.
4 , 1 , 42 , 98 , 125 , 484 , 5381 , 7541 , 52061 , 85034 , 742547 , 115257 , 3160262 , 1763800 , 18181436 , 15842060 , 565714472 , 367561887 , 3209027659 , 2904361953
n×2
259357812
n×3
389036718
n×4
518715624
n×5
648394530
n÷2
64839453
n÷3
43226302
n÷3
32419726.5
n÷5
25935781.2
n2
16816618661356836
n3
2.1807607106239E+24
n4
2.8279866320149E+32
n5
3.6673021262232E+40
2 √n
11387.664642059
3 √n
506.16228189079
4 √n
106.71300127941
5 √n
41.934731591897
1 , 2 , 21 , 42 , 1399 , 2207 , 2798 , 4414 , 29379 , 46347 , 58758 , 92694 , 3087593 , 6175186 , 64839453 , 129678906
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129678905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129678906 can be divided by 16 positive divisors.
The sum of these divisors (counting 129678906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110101011111000111010
3
Ternary
100001000101000110
4
Quaternary
13232223320322
5
Quinary
231144211111
6
Senary
20511245150
8
Octal
756537072
10
Decimal
129678906
12
Duodecimal
375197b6
16
Hexadecimal
7babe3a
20
Vigesimal
20a9h56
36
Base36
257gvu
md5
1917586f2adccd05498bed325673d703
sha1
2c46a9f6f1dd9efeb785a7baa841cd3fc999f5fb
sha256
dc0cba7fdd08beb214327979cce8bc7b1709c71f29b220143afb9e0e62d20cac
sha512
61158400dd3a89abd6134fbc06bb6b9ed3586c524415ae6b55014c6dfc6bf6be17e3cd53b6d2087e2572d0a3b8e86e98f81d182032974ca309205f7f7264e107
ripemd-160
dfe68a56d1d1618d852b0cb9c5b13d8b98832b5c
Diameter
259357812
Circumference
814796596.83032
Area
5.283096564474E+16
Volume
9.1347491036446E+24
Surface area
2.1132386257896E+17
Circumference
814796596.83032
Perimeter
518715624
Area
16816618661356836
Diagonal
183393667.61891
Surface area
100899711968141016
Volume
2.1807607106239E+24
Space diagonal
224610453.86195
Perimeter
389036718
Area
7.2818094832452E+15
Altitude
112305226.93097
Surface area
7.2818094832452E+15
Volume
2.570051144379E+23
Height
61131222.539635