129771897 is an odd 9-digits composite number following 129771896
and preceding 129771898 . In scientific notation, it is written as 1.29771897 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 78616832 positive integers (up to 129771897) that are relatively prime to 129771897.
129771897 has 16 divisors, whose sum is 189527040
The reverse of 129771897 is 798177921
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred twenty-nine million seven hundred seventy-one thousand eight hundred ninety-seven
Scientific notation
1.29771897 × 10^8
Engineering notation
1.29771897 × 10^6
Prime Factorization
3 × 17 × 29 × 87743
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129771897
Product of the distinct prime numbers
The prime factorization of 129771897 is 3 × 17 × 29 × 87743.
Since it has a total of 4 prime factors.
7 , 9 , 98 , 5 , 844 , 383 , 2536 , 7016 , 62780 , 5093 , 450027 , 981504 , 8236824 , 4492152 , 77792424 , 31152662 , 992736080 , 411873890 , 8532514468 , 5455803795
n×2
259543794
n×3
389315691
n×4
519087588
n×5
648859485
n÷2
64885948.5
n÷3
43257299
n÷3
32442974.25
n÷5
25954379.4
n2
16840745250978609
n3
2.1854554581132E+24
n4
2.8361070060836E+32
n5
3.6804698627446E+40
2 √n
11391.746880966
3 √n
506.28324037188
4 √n
106.73212675182
5 √n
41.940744034013
1 , 3 , 17 , 29 , 51 , 87 , 493 , 1479 , 87743 , 263229 , 1491631 , 2544547 , 4474893 , 7633641 , 43257299 , 129771897
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129771896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129771897 can be divided by 16 positive divisors.
The sum of these divisors (counting 129771897) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101111000010100101111001
3
Ternary
100001012002120120
4
Quaternary
13233002211321
5
Quinary
231210200042
6
Senary
20513243453
8
Octal
757024571
10
Decimal
129771897
12
Duodecimal
37563589
16
Hexadecimal
7bc2979
20
Vigesimal
20b19eh
36
Base36
259gmx
md5
8d3f108ce3a9c2577442e5ebafa12a9b
sha1
39bc6bcfd966b179f6ed9b7769716a9da2967b63
sha256
87e27dcb013a7ce6ed101f9925547e0b950b1b04f6bc4b2d75018ef7b47e190b
sha512
5f000b6160a986af4819c337900a1e43ef4bfe926f5d7e2bf273b9c5988d32e1aa6975f11fe0c6ee1d5b204e470d1875d0dd1df7f1fc71782d94abd33a0aad7d
ripemd-160
a4353822d32977969a13dca712a561c9a27f83bc
Diameter
259543794
Circumference
815380876.51522
Area
5.2906761561452E+16
Volume
9.1544144159417E+24
Surface area
2.1162704624581E+17
Circumference
815380876.51522
Perimeter
519087588
Area
16840745250978609
Diagonal
183525176.75228
Surface area
101044471505871654
Volume
2.1854554581132E+24
Space diagonal
224771518.9986
Perimeter
389315691
Area
7.2922566030048E+15
Altitude
112385759.4993
Surface area
7.2922566030048E+15
Volume
2.575583957355E+23
Height
61175058.917428