129635978 is an even 9-digits composite number following 129635977
and preceding 129635979 . In scientific notation, it is written as 1.29635978 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 64260000 positive integers (up to 129635978) that are relatively prime to 129635978.
129635978 has 16 divisors, whose sum is 196136640
The reverse of 129635978 is 879536921
Previous prime number is 281
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-nine million six hundred thirty-five thousand nine hundred seventy-eight
Scientific notation
1.29635978 × 10^8
Engineering notation
1.29635978 × 10^6
Prime Factorization
2 × 251 × 281 × 919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129635978
Product of the distinct prime numbers
The prime factorization of 129635978 is 2 × 251 × 281 × 919.
Since it has a total of 4 prime factors.
6 , 1 , 99 , 33 , 67 , 327 , 2906 , 54 , 59530 , 83871 , 38696 , 212509 , 2567132 , 3757527 , 42164477 , 55785485 , 523402713 , 584170394 , 9065545026 , 8633589447
n×2
259271956
n×3
388907934
n×4
518543912
n×5
648179890
n÷2
64817989
n÷3
43211992.666667
n÷3
32408994.5
n÷5
25927195.6
n2
16805486792016484
n3
2.1785957160491E+24
n4
2.8242438631664E+32
n5
3.6612361531208E+40
2 √n
11385.779639533
3 √n
506.10642358361
4 √n
106.7041688011
5 √n
41.931954868022
1 , 2 , 251 , 281 , 502 , 562 , 919 , 1838 , 70531 , 141062 , 230669 , 258239 , 461338 , 516478 , 64817989 , 129635978
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
-129635977
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 129635978 can be divided by 16 positive divisors.
The sum of these divisors (counting 129635978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110100001011010001010
3
Ternary
100000221012010112
4
Quaternary
13232201122022
5
Quinary
231141322403
6
Senary
20510314322
8
Octal
756413212
10
Decimal
129635978
12
Duodecimal
374b89a2
16
Hexadecimal
7ba168a
20
Vigesimal
20a49ii
36
Base36
256jre
md5
b6cea1ab6c2ea1c7e9199177267021ed
sha1
ea34816a8227dec6901230ad29ff2baca9997bf2
sha256
3c5ae409e71a21bac3ce2e5200929d412fb88dbd51e851085b98333ffafc2053
sha512
76048ce50b47cba5fb44230c5c709b7752e18afe6628f9b67bcc4cd4a6478d961ff9c4f7491b7dd95d86161d119d2b4199021a8f94bef8b2be43afc5e9bc79cb
ripemd-160
4e0d3ca626e6c9ed5ab26da65121a0c4eb388945
Diameter
259271956
Circumference
814526872.25146
Area
5.2795993845799E+16
Volume
9.1256803955762E+24
Surface area
2.111839753832E+17
Circumference
814526872.25146
Perimeter
518543912
Area
16805486792016484
Diagonal
183332958.2591
Surface area
100832920752098904
Volume
2.1785957160491E+24
Space diagonal
224536100.38488
Perimeter
388907934
Area
7.2769892424251E+15
Altitude
112268050.19244
Surface area
7.2769892424251E+15
Volume
2.5674996738038E+23
Height
61110986.086367