129804987 is an odd 9-digits composite number following 129804986
and preceding 129804988 . In scientific notation, it is written as 1.29804987 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 78980352 positive integers (up to 129804987) that are relatively prime to 129804987.
129804987 has 8 divisors, whose sum is 134632800
The reverse of 129804987 is 789408921
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-nine million eight hundred four thousand nine hundred eighty-seven
Scientific notation
1.29804987 × 10^8
Engineering notation
1.29804987 × 10^6
Prime Factorization
39 × 89 × 37397
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129804987
Product of the distinct prime numbers
The prime factorization of 129804987 is 39 × 89 × 37397.
Since it has a total of 3 prime factors.
2 , 5 , 12 , 55 , 150 , 508 , 7245 , 6195 , 10555 , 72403 , 95603 , 668014 , 8255807 , 1194719 , 41221820 , 85642060 , 271058971 , 215184925 , 6758369404 , 5413832364
n×2
259609974
n×3
389414961
n×4
519219948
n×5
649024935
n÷2
64902493.5
n÷3
43268329
n÷3
32451246.75
n÷5
25960997.4
n2
16849334650070169
n3
2.187127665211E+24
n4
2.8390007815006E+32
n5
3.6851645953567E+40
2 √n
11393.199155637
3 √n
506.32626840567
4 √n
106.73892989737
5 √n
41.942882675312
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
-129804986
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 129804987 can be divided by 8 positive divisors.
The sum of these divisors (counting 129804987) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101111001010101010111011
3
Ternary
100001020202222010
4
Quaternary
13233022222323
5
Quinary
231212224422
6
Senary
20514101003
8
Octal
757125273
10
Decimal
129804987
12
Duodecimal
3757a763
16
Hexadecimal
7bcaabb
20
Vigesimal
20b5c97
36
Base36
25a663
md5
f67461eda370d35fc454bd43dea0da6e
sha1
5ac0b96561a21d65827599da47304e0189c92763
sha256
1249083fb5e8ea5ee580b6a9c044a4ee6cf11ee68ffd3ebb9ead4cea8ae6bed3
sha512
de19be26033cef39a0a8bc391d9b341eb44d8c7a78ae25ba4e6f155a4f7a80a2232fd08c1e8729c345937d799cc3efbf271aa679d6aade357ca3a0e4db94295c
ripemd-160
91cf4e1116884fc43e3313057813c225c441debb
Diameter
259609974
Circumference
815588787.11704
Area
5.2933745954536E+16
Volume
9.1614189406532E+24
Surface area
2.1173498381815E+17
Circumference
815588787.11704
Perimeter
519219948
Area
16849334650070169
Diagonal
183571973.07906
Surface area
101096007900421014
Volume
2.187127665211E+24
Space diagonal
224828832.55982
Perimeter
389414961
Area
7.2959759219131E+15
Altitude
112414416.27991
Surface area
7.2959759219131E+15
Volume
2.577554672319E+23
Height
61190657.693021