129123820 is an even 9-digits composite number following 129123819
and preceding 129123821 . In scientific notation, it is written as 1.29123820 × 10^8.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 44270688 positive integers (up to 129123820) that are relatively prime to 129123820.
129123820 has 24 divisors, whose sum is 276696000
The reverse of 129123820 is 028321921
Previous prime number is 5
Is Prime? no Number parity even Number length 9 Sum of Digits 28 Digital Root 1
Name
one hundred twenty-nine million one hundred twenty-three thousand eight hundred twenty
Scientific notation
1.29123820 × 10^8
Engineering notation
1.29123820 × 10^6
Prime Factorization
2 × 2 × 49 × 5 × 131759
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64561910 Product of the distinct prime numbers
The prime factorization of 129123820 is 2 × 2 × 49 × 5 × 131759.
Since it has a total of 5 prime factors.
9 , 5 , 47 , 46 , 356 , 866 , 4377 , 1294 , 46271 , 59984 , 761569 , 60352 , 4084658 , 333164 , 55698083 , 12919523 , 184050270 , 206299850 , 452211303 , 4207177901
n×2
258247640
n×3
387371460
n×4
516495280
n×5
645619100
n÷2
64561910
n÷3
43041273.333333
n÷3
32280955
n÷5
25824764
n2
16672960891392400
n3
2.1528764010072E+24
n4
2.779876248859E+32
n5
3.5894824037995E+40
2 √n11363.266255791
3 √n505.4390456913
4 √n106.598622204
5 √n41.898769937047
1 , 2 , 4 , 5 , 10 , 20 , 49 , 98 , 196 , 245 , 490 , 980 , 131759 , 263518 , 527036 , 658795 , 1317590 , 2635180 , 6456191 , 12912382 , 25824764 , 32280955 , 64561910 , 129123820
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129123819 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129123820 can be divided by 24 positive divisors.
The sum of these divisors (counting 129123820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101100100100010111101100
3
Ternary
22222222011120201
4
Quaternary
13230210113230
5
Quinary
231023430240
6
Senary
20451323244
8
Octal
754442754
10
Decimal
129123820
12
Duodecimal
372b0524
16
Hexadecimal
7b245ec
20
Vigesimal
20709b0
36
Base36
24vkks
md5
411bbe74f0986bf906bfa034a11fd44f
sha1
a48dda931747a0fb3175d1a244dd7515cfc76762
sha256
ee9913f58ea76ea5f2dba83eb995e686f58bd5dc24384d1f990153dbce45415a
sha512
7ec021358facda20bba50f49ad3c6790f1192272717a11e324743760d98ca8904d75ddee319cbaf9c143a3cdfa3a5106451d4a45293072280b72aaf7c119643b
ripemd-160
3f9a02ff12d8ecd55ef71264abf11538df14d078
Diameter
258247640
Circumference
811308888.6309
Area
5.2379651449988E+16
Volume
9.0179475806547E+24
Surface area
2.0951860579995E+17
Circumference
811308888.6309
Perimeter
516495280
Area
16672960891392400
Diagonal
182608657.46942
Surface area
100037765348354400
Volume
2.1528764010072E+24
Space diagonal
223649016.70738
Perimeter
387371460
Area
7.2196038441251E+15
Altitude
111824508.35369
Surface area
7.2196038441251E+15
Volume
2.5371891703478E+23
Height
60869552.489807