129091938 is an even 9-digits composite number following 129091937
and preceding 129091939 . In scientific notation, it is written as 1.29091938 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 42604400 positive integers (up to 129091938) that are relatively prime to 129091938.
129091938 has 16 divisors, whose sum is 260741376
The reverse of 129091938 is 839190921
Previous prime number is 101
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million ninety-one thousand nine hundred thirty-eight
Scientific notation
1.29091938 × 10^8
Engineering notation
1.29091938 × 10^6
Prime Factorization
2 × 3 × 101 × 213023
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129091938
Product of the distinct prime numbers
The prime factorization of 129091938 is 2 × 3 × 101 × 213023.
Since it has a total of 4 prime factors.
8 , 9 , 41 , 65 , 947 , 717 , 8400 , 4910 , 4478 , 70685 , 936718 , 517800 , 8582529 , 2438515 , 69957715 , 19989970 , 417734296 , 803138611 , 1378832472 , 1232958842
n×2
258183876
n×3
387275814
n×4
516367752
n×5
645459690
n÷2
64545969
n÷3
43030646
n÷3
32272984.5
n÷5
25818387.6
n2
16664728456595844
n3
2.1512820927057E+24
n4
2.7771317453208E+32
n5
3.5850531908478E+40
2 √n
11361.863315495
3 √n
505.39744289974
4 √n
106.59204152044
5 √n
41.896700685172
1 , 2 , 3 , 6 , 101 , 202 , 303 , 606 , 213023 , 426046 , 639069 , 1278138 , 21515323 , 43030646 , 64545969 , 129091938
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
-129091937
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 129091938 can be divided by 16 positive divisors.
The sum of these divisors (counting 129091938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100011100100101100010
3
Ternary
22222220112211220
4
Quaternary
13230130211202
5
Quinary
231021420223
6
Senary
20450515510
8
Octal
754344542
10
Decimal
129091938
12
Duodecimal
37295b96
16
Hexadecimal
7b1c962
20
Vigesimal
206g9gi
36
Base36
24uvz6
md5
7953c232e29c15f3d50686b78497a8c7
sha1
acb77ba4c7290329c76866ab78d81109014551a3
sha256
19d8f07c30fe33c90c4f6fbd283f2481cd6a7ae1a31fa36294393a60a2b89dc5
sha512
695d1192af3db7d89b54ae063cc39b1f5eddac393c06ae9be9827c418ccda92ee9e6b790145c4ae8cf59e9267f8f0f419d82fbd3cb839ef6e851b1015d2bf12b
ripemd-160
364c38ace7c145cdc6fa8cbc3840a472fff7cf84
Diameter
258183876
Circumference
811108568.11694
Area
5.235378849331E+16
Volume
9.011269357658E+24
Surface area
2.0941515397324E+17
Circumference
811108568.11694
Perimeter
516367752
Area
16664728456595844
Diagonal
182563569.51263
Surface area
99988370739575064
Volume
2.1512820927057E+24
Space diagonal
223593795.46353
Perimeter
387275814
Area
7.2160390952907E+15
Altitude
111796897.73177
Surface area
7.2160390952907E+15
Volume
2.5353102599957E+23
Height
60854523.170876