129021370 is an even 9-digits composite number following 129021369
and preceding 129021371 . In scientific notation, it is written as 1.29021370 × 10^8.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 51608544 positive integers (up to 129021370) that are relatively prime to 129021370.
129021370 has 8 divisors, whose sum is 232238484
The reverse of 129021370 is 073120921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-nine million twenty-one thousand three hundred seventy
Scientific notation
1.29021370 × 10^8
Engineering notation
1.29021370 × 10^6
Prime Factorization
2 × 5 × 12902137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129021370
Product of the distinct prime numbers
The prime factorization of 129021370 is 2 × 5 × 12902137.
Since it has a total of 3 prime factors.
9 , 8 , 2 , 29 , 505 , 375 , 5527 , 3860 , 73729 , 72497 , 889888 , 982725 , 1571687 , 240161 , 27662478 , 65249042 , 409211715 , 688729930 , 9179923258 , 9818178268
n×2
258042740
n×3
387064110
n×4
516085480
n×5
645106850
n÷2
64510685
n÷3
43007123.333333
n÷3
32255342.5
n÷5
25804274
n2
16646513916676900
n3
2.1477560312537E+24
n4
2.7710642557812E+32
n5
3.5752650663892E+40
2 √n
11358.757414436
3 √n
505.30533441746
4 √n
106.57747142073
5 √n
41.892119123978
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
-129021369
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 129021370 can be divided by 8 positive divisors.
The sum of these divisors (counting 129021370) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100001011010110111010
3
Ternary
22222202222001021
4
Quaternary
13230023112322
5
Quinary
231012140440
6
Senary
20445213054
8
Octal
754132672
10
Decimal
129021370
12
Duodecimal
3726118a
16
Hexadecimal
7b0b5ba
20
Vigesimal
2067d8a
36
Base36
24tdiy
md5
55112febb122d10673da90b4e7327318
sha1
61a4a3254b8dc87c436a33ac67bdb8e53247ca48
sha256
ef81c444fd36735408e202a78fd747a5dee842e78688348f83a94cc9d1133a12
sha512
5a650c28b37b8151d10c911f3ce87fa8b52a50b460e7699d51e98e4ca8f8e37b23abeae626cc91dbe577b2f01c4404753cf358a9a1a6ff1f499a520066160e9d
ripemd-160
e8024cd655f8d2b82c34bb6f130712ba4868a2b5
Diameter
258042740
Circumference
810665176.29618
Area
5.2296565828512E+16
Volume
8.9964994259865E+24
Surface area
2.0918626331405E+17
Circumference
810665176.29618
Perimeter
516085480
Area
16646513916676900
Diagonal
182463771.28996
Surface area
99879083500061400
Volume
2.1477560312537E+24
Space diagonal
223471568.10214
Perimeter
387064110
Area
7.2081519681467E+15
Altitude
111735784.05107
Surface area
7.2081519681467E+15
Volume
2.531154756723E+23
Height
60821257.096652