129619638 is an even 9-digits composite number following 129619637
and preceding 129619639 . In scientific notation, it is written as 1.29619638 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 43206540 positive integers (up to 129619638) that are relatively prime to 129619638.
129619638 has 8 divisors, whose sum is 216032760
The reverse of 129619638 is 836916921
Previous prime number is 9
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-nine million six hundred nineteen thousand six hundred thirty-eight
Scientific notation
1.29619638 × 10^8
Engineering notation
1.29619638 × 10^6
Prime Factorization
2 × 9 × 7201091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129619638
Product of the distinct prime numbers
The prime factorization of 129619638 is 2 × 9 × 7201091.
Since it has a total of 3 prime factors.
2 , 8 , 49 , 69 , 130 , 181 , 3478 , 1940 , 28965 , 40953 , 975876 , 602586 , 6838419 , 668331 , 35464228 , 87641179 , 835009462 , 987815581 , 8349241926 , 3132283067
n×2
259239276
n×3
388858914
n×4
518478552
n×5
648098190
n÷2
64809819
n÷3
43206546
n÷3
32404909.5
n÷5
25923927.6
n2
16801250555251044
n3
2.1777720149189E+24
n4
2.8228202022032E+32
n5
3.6589293274867E+40
2 √n
11385.062055167
3 √n
506.0851585856
4 √n
106.70080625359
5 √n
41.930897749927
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129619637
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129619638 can be divided by 8 positive divisors.
The sum of these divisors (counting 129619638) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110011101011010110110
3
Ternary
100000220100201100
4
Quaternary
13232131122312
5
Quinary
231140312023
6
Senary
20510110530
8
Octal
756353266
10
Decimal
129619638
12
Duodecimal
374ab446
16
Hexadecimal
7b9d6b6
20
Vigesimal
20a291i
36
Base36
25675i
md5
f5e74d56dd7c5ddea86212045e426647
sha1
b2cd386b1b79ba214c4cd81e906b6517e118ee87
sha256
59e3204d2f68d571f5971329c7410ce947a4d7486714e02492d27dd0be40cd72
sha512
d799cb103ab494d61bbcce0283ee049538c141784c08757ee8059b45591941ef994bf981b14baed049fbe9a9d0693afe655af49308a2a5f632368d7e266af81a
ripemd-160
1237197454e7a1f557292ccc14bf7f5f23c420f9
Diameter
259239276
Circumference
814424205.00354
Area
5.2782685315498E+16
Volume
9.1222300843504E+24
Surface area
2.1113074126199E+17
Circumference
814424205.00354
Perimeter
518478552
Area
16801250555251044
Diagonal
183309850.00949
Surface area
100807503331506264
Volume
2.1777720149189E+24
Space diagonal
224507798.67469
Perimeter
388858914
Area
7.2751548980974E+15
Altitude
112253899.33734
Surface area
7.2751548980974E+15
Volume
2.5665289327125E+23
Height
61103283.336497