129349868 is an even 9-digits composite number following 129349867
and preceding 129349869 . In scientific notation, it is written as 1.29349868 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 63788832 positive integers (up to 129349868) that are relatively prime to 129349868.
129349868 has 12 divisors, whose sum is 229463640
The reverse of 129349868 is 868943921
Previous prime number is 73
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-nine million three hundred forty-nine thousand eight hundred sixty-eight
Scientific notation
1.29349868 × 10^8
Engineering notation
1.29349868 × 10^6
Prime Factorization
2 × 2 × 73 × 442979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64674934
Product of the distinct prime numbers
The prime factorization of 129349868 is 2 × 2 × 73 × 442979.
Since it has a total of 4 prime factors.
6 , 6 , 91 , 30 , 539 , 814 , 2171 , 7176 , 52674 , 79322 , 480750 , 75700 , 119494 , 1511526 , 29758784 , 80988249 , 775553741 , 483335612 , 9918425463 , 5984675206
n×2
258699736
n×3
388049604
n×4
517399472
n×5
646749340
n÷2
64674934
n÷3
43116622.666667
n÷3
32337467
n÷5
25869973.6
n2
16731388351617424
n3
2.1642028747385E+24
n4
2.7993935617264E+32
n5
3.6210118768936E+40
2 √n
11373.208342416
3 √n
505.73381928747
4 √n
106.64524528743
5 √n
41.913429521817
1 , 2 , 4 , 73 , 146 , 292 , 442979 , 885958 , 1771916 , 32337467 , 64674934 , 129349868
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129349867
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129349868 can be divided by 12 positive divisors.
The sum of these divisors (counting 129349868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101101011011100011101100
3
Ternary
100000101122122212
4
Quaternary
13231123203230
5
Quinary
231103143433
6
Senary
20500225552
8
Octal
755334354
10
Decimal
129349868
12
Duodecimal
3739b2b8
16
Hexadecimal
7b5b8ec
20
Vigesimal
2088ed8
36
Base36
250ezw
md5
bedfe62813f0ce341a32d9f7c8fdf824
sha1
e0bd66f851dbf2dbcdd9db440bd0645395ea40ee
sha256
74da812e58cf1cfaee63a0c3bb3ea5114201fa0c0b403c801f237978f25c6e3b
sha512
194daa6e2526272bb45b161b7a694d01cb48df11808d55e97ae8cefacb4aa58c39ba1ee663aa901f634994832a51b0bda9ccbc217b2f055684b30e5632880e70
ripemd-160
0675228b66784f371172919d7ece8f72d9a6ae83
Diameter
258699736
Circumference
812729190.10322
Area
5.2563206729799E+16
Volume
9.065391802875E+24
Surface area
2.102528269192E+17
Circumference
812729190.10322
Perimeter
517399472
Area
16731388351617424
Diagonal
182928337.61677
Surface area
100388330109704544
Volume
2.1642028747385E+24
Space diagonal
224040543.32833
Perimeter
388049604
Area
7.2449036765419E+15
Altitude
112020271.66416
Surface area
7.2449036765419E+15
Volume
2.5505375476516E+23
Height
60976112.538923