129206890 is an even 9-digits composite number following 129206889
and preceding 129206891 . In scientific notation, it is written as 1.29206890 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 49900480 positive integers (up to 129206890) that are relatively prime to 129206890.
129206890 has 16 divisors, whose sum is 240592680
The reverse of 129206890 is 098602921
Previous prime number is 29
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million two hundred six thousand eight hundred ninety
Scientific notation
1.29206890 × 10^8
Engineering notation
1.29206890 × 10^6
Prime Factorization
2 × 5 × 29 × 445541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129206890
Product of the distinct prime numbers
The prime factorization of 129206890 is 2 × 5 × 29 × 445541.
Since it has a total of 4 prime factors.
2 , 2 , 71 , 88 , 881 , 799 , 3384 , 4474 , 49619 , 72478 , 154774 , 138482 , 5539665 , 1162701 , 17237012 , 406915 , 732540947 , 335538747 , 8435183922 , 6067736321
n×2
258413780
n×3
387620670
n×4
516827560
n×5
646034450
n÷2
64603445
n÷3
43068963.333333
n÷3
32301722.5
n÷5
25841378
n2
16694420423472100
n3
2.1570341432693E+24
n4
2.7870367327564E+32
n5
3.6010434855522E+40
2 √n
11366.920867148
3 √n
505.54741149828
4 √n
106.6157627518
5 √n
41.904159547584
1 , 2 , 5 , 10 , 29 , 58 , 145 , 290 , 445541 , 891082 , 2227705 , 4455410 , 12920689 , 25841378 , 64603445 , 129206890
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
-129206889
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 129206890 can be divided by 16 positive divisors.
The sum of these divisors (counting 129206890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100111000101001101010
3
Ternary
100000010101112101
4
Quaternary
13230320221222
5
Quinary
231034110030
6
Senary
20453204014
8
Octal
754705152
10
Decimal
129206890
12
Duodecimal
3733060a
16
Hexadecimal
7b38a6a
20
Vigesimal
207ah4a
36
Base36
24xcoa
md5
e37fe5597d2c2b4aaed43af249cce924
sha1
a59bddb72899de3ee5b07a2451eb8d0b7e6eb24e
sha256
b1ae1d34e783c5a97f4aa7eb45c1ed7f16111c6c6e35c10c3e220ae80786176a
sha512
07b003e88604595d7fe98e1500aef16616f6d967fd2e63461f42de875bb20c36cb6c7c55766e81e5eb6f940c3ced73a058b27fe86627bc4983fc66d2e17874bd
ripemd-160
dcd46f4c8834049538aa356194f06b8e8919785e
Diameter
258413780
Circumference
811830832.83437
Area
5.2447068558319E+16
Volume
9.0353634907163E+24
Surface area
2.0978827423328E+17
Circumference
811830832.83437
Perimeter
516827560
Area
16694420423472100
Diagonal
182726136.19005
Surface area
100166522540832600
Volume
2.1570341432693E+24
Space diagonal
223792898.16796
Perimeter
387620670
Area
7.2288960940923E+15
Altitude
111896449.08398
Surface area
7.2288960940923E+15
Volume
2.5420891165944E+23
Height
60908712.06335