129778072 is an even 9-digits composite number following 129778071
and preceding 129778073 . In scientific notation, it is written as 1.29778072 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 8 positive divisors.
There are 64889032 positive integers (up to 129778072) that are relatively prime to 129778072.
129778072 has 8 divisors, whose sum is 243333900
The reverse of 129778072 is 270877921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million seven hundred seventy-eight thousand seventy-two
Scientific notation
1.29778072 × 10^8
Engineering notation
1.29778072 × 10^6
Prime Factorization
2 × 2 × 2 × 16222259
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
32444518
Product of the distinct prime numbers
The prime factorization of 129778072 is 2 × 2 × 2 × 16222259.
Since it has a total of 4 prime factors.
3 , 5 , 9 , 76 , 620 , 582 , 3325 , 3012 , 62475 , 15244 , 431830 , 554631 , 9807425 , 6891464 , 77216349 , 88431882 , 23717534 , 726943125 , 4671385012 , 1832919807
n×2
259556144
n×3
389334216
n×4
519112288
n×5
648890360
n÷2
64889036
n÷3
43259357.333333
n÷3
32444518
n÷5
25955614.4
n2
16842347972037184
n3
2.1857674477641E+24
n4
2.8366468521119E+32
n5
3.6813455941195E+40
2 √n
11392.017907289
3 √n
506.29127048599
4 √n
106.73339640098
5 √n
41.941143163826
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
-129778071
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 129778072 can be divided by 8 positive divisors.
The sum of these divisors (counting 129778072) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101111000100000110011000
3
Ternary
100001012102001021
4
Quaternary
13233010012120
5
Quinary
231210344242
6
Senary
20513332224
8
Octal
757040630
10
Decimal
129778072
12
Duodecimal
37567074
16
Hexadecimal
7bc4198
20
Vigesimal
20b253c
36
Base36
259leg
md5
aab604e09c18a9da3c4a13563626ffed
sha1
cd654837c00978a1a1e7f5525ab793db45ad691d
sha256
3f566efd6e31191aadb32039e0933288c0a14dd4450b0cf673c5bcd233f1b2fd
sha512
28887c52673514fd1a9b86fee1f703ede269c031d533c91319aa0280a514c7b6d5a16ef105a3aa39c65b9108835493bf30b8b66770b1bc76fed284e7e2f86eff
ripemd-160
cd110e25a7a8b6c935b2a1713ce784e342736102
Diameter
259556144
Circumference
815419675.18449
Area
5.2911796658155E+16
Volume
9.1557212751352E+24
Surface area
2.1164718663262E+17
Circumference
815419675.18449
Perimeter
519112288
Area
16842347972037184
Diagonal
183533909.52103
Surface area
101054087832223104
Volume
2.1857674477641E+24
Space diagonal
224782214.41233
Perimeter
389334216
Area
7.2929506015808E+15
Altitude
112391107.20617
Surface area
7.2929506015808E+15
Volume
2.5759516406847E+23
Height
61177969.840344