129894920 is an even 9-digits composite number following 129894919
and preceding 129894921 . In scientific notation, it is written as 1.29894920 × 10^8.
The sum of its digits is 44. It has a total of 6 prime factors and 32 positive divisors.
There are 51878400 positive integers (up to 129894920) that are relatively prime to 129894920.
129894920 has 32 divisors, whose sum is 292711320
The reverse of 129894920 is 029498921
Previous prime number is 773
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million eight hundred ninety-four thousand nine hundred twenty
Scientific notation
1.29894920 × 10^8
Engineering notation
1.29894920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 773 × 4201
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32473730
Product of the distinct prime numbers
The prime factorization of 129894920 is 2 × 2 × 2 × 5 × 773 × 4201.
Since it has a total of 6 prime factors.
2 , 5 , 63 , 90 , 167 , 845 , 9441 , 1412 , 94798 , 81043 , 941753 , 884766 , 5054281 , 5554324 , 89791538 , 74740313 , 102098695 , 971199744 , 1120406839 , 7310741035
n×2
259789840
n×3
389684760
n×4
519579680
n×5
649474600
n÷2
64947460
n÷3
43298306.666667
n÷3
32473730
n÷5
25978984
n2
16872690241806400
n3
2.1916767491442E+24
n4
2.8468767599595E+32
n5
3.697948289848E+40
2 √n
11397.145256598
3 √n
506.44317436145
4 √n
106.75741312245
5 √n
41.948692936429
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 773 , 1546 , 3092 , 3865 , 4201 , 6184 , 7730 , 8402 , 15460 , 16804 , 21005 , 30920 , 33608 , 42010 , 84020 , 168040 , 3247373 , 6494746 , 12989492 , 16236865 , 25978984 , 32473730 , 64947460 , 129894920
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129894919
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129894920 can be divided by 32 positive divisors.
The sum of these divisors (counting 129894920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101111100000101000001000
3
Ternary
100001102100022222
4
Quaternary
13233200220020
5
Quinary
231223114140
6
Senary
20520033212
8
Octal
757405010
10
Decimal
129894920
12
Duodecimal
37602808
16
Hexadecimal
7be0a08
20
Vigesimal
20bgh60
36
Base36
25c3k8
md5
9ed9763c376dc69beb14e818c507628d
sha1
97651b53e1f69eebcef90a3db8c1fb4ac95eaaec
sha256
3619bf475958f2a0e8875f9d2debd341550c8d6852cd9f0c3ab17c673adcba75
sha512
601fb06910938324eb754a86552be9685276df170b922f0b8728d611dfd16bee5ecd99bbca4a4702d1078642e22c37b5d0a9ee041c93a555636a84718311e144
ripemd-160
c620baf4a5ea542b72c424c6b50750412df69969
Diameter
259789840
Circumference
816153852.82127
Area
5.3007119709955E+16
Volume
9.1804740988734E+24
Surface area
2.1202847883982E+17
Circumference
816153852.82127
Perimeter
519579680
Area
16872690241806400
Diagonal
183699157.54737
Surface area
101236141450838400
Volume
2.1916767491442E+24
Space diagonal
224984601.08509
Perimeter
389684760
Area
7.3060891897951E+15
Altitude
112492300.54255
Surface area
7.3060891897951E+15
Volume
2.5829158191479E+23
Height
61233052.515789