129121827 is an odd 9-digits composite number following 129121826
and preceding 129121828 . In scientific notation, it is written as 1.29121827 × 10^8.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 86081216 positive integers (up to 129121827) that are relatively prime to 129121827.
129121827 has 4 divisors, whose sum is 172162440
The reverse of 129121827 is 728121921
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-nine million one hundred twenty-one thousand eight hundred twenty-seven
Scientific notation
1.29121827 × 10^8
Engineering notation
1.29121827 × 10^6
Prime Factorization
3 × 43040609
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129121827
Product of the distinct prime numbers
The prime factorization of 129121827 is 3 × 43040609.
Since it has a total of 2 prime factors.
2 , 7 , 20 , 92 , 996 , 14 , 3913 , 1682 , 96874 , 88771 , 554659 , 311514 , 9110087 , 5080283 , 89830215 , 60339716 , 991537179 , 896741632 , 8948228746 , 5316369629
n×2
258243654
n×3
387365481
n×4
516487308
n×5
645609135
n÷2
64560913.5
n÷3
43040609
n÷3
32280456.75
n÷5
25824365.4
n2
16672446207817929
n3
2.1527767149127E+24
n4
2.7797046255258E+32
n5
3.5892053976825E+40
2 √n
11363.178560597
3 √n
505.43644522817
4 √n
106.59821086958
5 √n
41.898640596443
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129121826
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129121827 can be divided by 4 positive divisors.
The sum of these divisors (counting 129121827) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100100011111000100011
3
Ternary
22222222001211220
4
Quaternary
13230203320203
5
Quinary
231023344302
6
Senary
20451310123
8
Octal
754437043
10
Decimal
129121827
12
Duodecimal
372ab343
16
Hexadecimal
7b23e23
20
Vigesimal
20704b7
36
Base36
24vj1f
md5
adee6e41d34a68ffa331b2aca6339440
sha1
f34d333316a54e8a61184dc5a0dba67c1066e35f
sha256
adf6a0bfe119a62e02eac04bc9d16bea90c49a609d52a604ce948037af81d4db
sha512
3d20bef3041819c3548021d900ec876956f604539bbf65bb1fb4dfb37e59e91637c4ebf57def72180ab395a972e84bf41c45d89c1359ff4bf4cbcf5b04e67d9f
ripemd-160
a61c09cff06e866cb200a0dd92bb934058b48801
Diameter
258243654
Circumference
811296366.24258
Area
5.2378034523852E+16
Volume
9.0175300165184E+24
Surface area
2.0951213809541E+17
Circumference
811296366.24258
Perimeter
516487308
Area
16672446207817929
Diagonal
182605838.94179
Surface area
100034677246907574
Volume
2.1527767149127E+24
Space diagonal
223645564.73012
Perimeter
387365481
Area
7.2193809795999E+15
Altitude
111822782.36506
Surface area
7.2193809795999E+15
Volume
2.5370716891588E+23
Height
60868612.980598