129697987 is an odd 9-digits composite number following 129697986
and preceding 129697988 . In scientific notation, it is written as 1.29697987 × 10^8.
The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors.
There are 126192600 positive integers (up to 129697987) that are relatively prime to 129697987.
129697987 has 4 divisors, whose sum is 133203376
The reverse of 129697987 is 789796921
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
one hundred twenty-nine million six hundred ninety-seven thousand nine hundred eighty-seven
Scientific notation
1.29697987 × 10^8
Engineering notation
1.29697987 × 10^6
Prime Factorization
37 × 3505351
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129697987
Product of the distinct prime numbers
The prime factorization of 129697987 is 37 × 3505351.
Since it has a total of 2 prime factors.
8 , 7 , 85 , 57 , 719 , 390 , 8230 , 5069 , 49697 , 69256 , 98581 , 81386 , 4113197 , 7896223 , 89888658 , 69458126 , 443612504 , 311351186 , 7587625280 , 9874921978
n×2
259395974
n×3
389093961
n×4
518791948
n×5
648489935
n÷2
64848993.5
n÷3
43232662.333333
n÷3
32424496.75
n÷5
25939597.4
n2
16821567831852169
n3
2.1817234859752E+24
n4
2.829651443216E+32
n5
3.6700009609676E+40
2 √n
11388.50240374
3 √n
506.18710630554
4 √n
106.71692651
5 √n
41.935965577513
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
-129697986
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 129697987 can be divided by 4 positive divisors.
The sum of these divisors (counting 129697987) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110110000100011000011
3
Ternary
100001001100012011
4
Quaternary
13232300203003
5
Quinary
231200313422
6
Senary
20511513351
8
Octal
756604303
10
Decimal
129697987
12
Duodecimal
37528857
16
Hexadecimal
7bb08c3
20
Vigesimal
20ac4j7
36
Base36
257vlv
md5
046092282a3a602f9bb568585a1ed4f4
sha1
0f9c225af7cff10127b6351a7076216414126ef9
sha256
205db5e2ee636ab2fb6602513ed589b7269038370d13bdc97d3dbc648b3e66d3
sha512
e771f7c38c0ac110e58246458b1862126055f8693e7339c43a863666ad79058abb6ed763bf893113cedcb22ee845b98b971c4f16c419f335f34ae3c38054db43
ripemd-160
2a4227f947cbe56dc67b4e58def936a29e89313f
Diameter
259395974
Circumference
814916486.28917
Area
5.2846513922409E+16
Volume
9.1387819676053E+24
Surface area
2.1138605568964E+17
Circumference
814916486.28917
Perimeter
518791948
Area
16821567831852169
Diagonal
183420652.22789
Surface area
100929406991113014
Volume
2.1817234859752E+24
Space diagonal
224643503.12341
Perimeter
389093961
Area
7.2839525369335E+15
Altitude
112321751.5617
Surface area
7.2839525369335E+15
Volume
2.5711857860117E+23
Height
61140217.409296