129172938 is an even 9-digits composite number following 129172937
and preceding 129172939 . In scientific notation, it is written as 1.29172938 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 43000400 positive integers (up to 129172938) that are relatively prime to 129172938.
129172938 has 16 divisors, whose sum is 258689376
The reverse of 129172938 is 839271921
Previous prime number is 773
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million one hundred seventy-two thousand nine hundred thirty-eight
Scientific notation
1.29172938 × 10^8
Engineering notation
1.29172938 × 10^6
Prime Factorization
2 × 3 × 773 × 27851
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129172938
Product of the distinct prime numbers
The prime factorization of 129172938 is 2 × 3 × 773 × 27851.
Since it has a total of 4 prime factors.
3 , 4 , 88 , 56 , 459 , 906 , 4506 , 8938 , 67759 , 33527 , 390624 , 707834 , 7775034 , 4595998 , 4685033 , 3966356 , 904876264 , 311695258 , 5189477532 , 5377277038
n×2
258345876
n×3
387518814
n×4
516691752
n×5
645864690
n÷2
64586469
n÷3
43057646
n÷3
32293234.5
n÷5
25834587.6
n2
16685647911551844
n3
2.1553341631687E+24
n4
2.7841084622827E+32
n5
3.5963146978372E+40
2 √n
11365.427312688
3 √n
505.50312632285
4 √n
106.60875814251
5 √n
41.901957065053
1 , 2 , 3 , 6 , 773 , 1546 , 2319 , 4638 , 27851 , 55702 , 83553 , 167106 , 21528823 , 43057646 , 64586469 , 129172938
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
-129172937
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 129172938 can be divided by 16 positive divisors.
The sum of these divisors (counting 129172938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100110000010111001010
3
Ternary
100000001122221220
4
Quaternary
13230300113022
5
Quinary
231032013223
6
Senary
20452342510
8
Octal
754602712
10
Decimal
129172938
12
Duodecimal
37314a36
16
Hexadecimal
7b305ca
20
Vigesimal
2076c6i
36
Base36
24wmh6
md5
9e9b94022c6dc372cd012468ff2dba21
sha1
fab65acc278dc6a48a2ac45879259bd857ba9801
sha256
9d155e82d504cc5fa0abff59340edaef8ce63dd554217ea1b5377a9e3449e44c
sha512
68e6d8258d273039beab4b6cc149c5b779d33b0b3cf73a647523f8d3f4bb78a1f4e9b8afb30137e370857d039a432a4550cf4f50265220106ef8a56346b87a8c
ripemd-160
daabf195b3c49c2c8bacfef9167e39e7a907474d
Diameter
258345876
Circumference
811617506.12682
Area
5.2419508899317E+16
Volume
9.0282426307226E+24
Surface area
2.0967803559727E+17
Circumference
811617506.12682
Perimeter
516691752
Area
16685647911551844
Diagonal
182678120.81118
Surface area
100113887469311064
Volume
2.1553341631687E+24
Space diagonal
223734091.57894
Perimeter
387518814
Area
7.2250974850033E+15
Altitude
111867045.78947
Surface area
7.2250974850033E+15
Volume
2.5400856708327E+23
Height
60892706.93706