129647681 is an odd 9-digits prime number following 129647680
and preceding 129647682 . In scientific notation, it is written as 1.29647681 × 10^8.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 129647680 positive integers (up to 129647681) that are relatively prime to 129647681.
129647681 has 2 divisors, whose sum is 129647682
The reverse of 129647681 is 186746921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million six hundred forty-seven thousand six hundred eighty-one
Scientific notation
1.29647681 × 10^8
Engineering notation
1.29647681 × 10^6
Prime Factorization
129647681
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
129647681
Product of the distinct prime numbers
The prime factorization of 129647681 is 129647681.
Since it has a total of 1 prime factors.
1 , 8 , 18 , 88 , 886 , 492 , 9331 , 1304 , 85138 , 78225 , 258109 , 141115 , 6750353 , 8906675 , 3710843 , 79034213 , 188654045 , 36985349 , 3108582285 , 5196745142
n×2
259295362
n×3
388943043
n×4
518590724
n×5
648238405
n÷2
64823840.5
n÷3
43215893.666667
n÷3
32411920.25
n÷5
25929536.2
n2
16808521188677761
n3
2.1791857931514E+24
n4
2.8252638455023E+32
n5
3.6628890578251E+40
2 √n
11386.293558485
3 √n
506.121652857
4 √n
106.70657692235
5 √n
41.932711929381
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
129647682
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64823841
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11386.293602398
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999845736
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129647681 can be divided by 2 positive divisors.
The sum of these divisors (counting 129647681) is 129647682, the average is 64823841.
Base
System
Value
2
Binary
111101110100100010001000001
3
Ternary
100000221210011222
4
Quaternary
13232210101001
5
Quinary
231142211211
6
Senary
20510444425
8
Octal
756442101
10
Decimal
129647681
12
Duodecimal
37503715
16
Hexadecimal
7ba4441
20
Vigesimal
20a5j41
36
Base36
256ssh
md5
0dcf794cc86596f6b863813403d5840f
sha1
6b12f3efe1313e0471189018d706b6ad78251535
sha256
0c0c393bfa3d527bdbd71bf38e6a24cb72ac464bb6d3c6ade6b8189ded90de36
sha512
957508e3531ce5ffa5384c42576fd82330c4a0e94ffd2f851bf9360014c4c34749bddb70f5cbe89685a14f6c0a7c8023f0aa124480ebd93c91acd303058eaaba
ripemd-160
e8475ded8026359884b669a2fb5f8ce5373f4e3d
Diameter
259295362
Circumference
814600404.36911
Area
5.2805526684058E+16
Volume
9.1281521047624E+24
Surface area
2.1122210673623E+17
Circumference
814600404.36911
Perimeter
518590724
Area
16808521188677761
Diagonal
183349508.80042
Surface area
100851127132066566
Volume
2.1791857931514E+24
Space diagonal
224556370.57548
Perimeter
388943043
Area
7.278303174722E+15
Altitude
112278185.28774
Surface area
7.278303174722E+15
Volume
2.5681950863379E+23
Height
61116502.933474