129817961 (number)

129817961 is an odd 9-digits composite number following 129817960 and preceding 129817962. In scientific notation, it is written as 1.29817961 × 10^8. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 102211200 positive integers (up to 129817961) that are relatively prime to 129817961.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million eight hundred seventeen thousand nine hundred sixty-one

Notation

Scientific notation 1.29817961 × 10^8
Engineering notation 1.29817961 × 10^6

Prime Factorization of 129817961

Prime Factorization 7 × 13 × 211 × 6761

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129817961
Product of the distinct prime numbers

The prime factorization of 129817961 is 7 × 13 × 211 × 6761. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129817961)

Multiplication

n×y
n×2 259635922
n×3 389453883
n×4 519271844
n×5 649089805

Division

n÷y
n÷2 64908980.5
n÷3 43272653.666667
n÷3 32454490.25
n÷5 25963592.2

Exponentiation

ny
n2 16852702998197521
n3 2.1877835405646E+24
n4 2.8401359834546E+32
n5 3.687006623348E+40

Nth Root

y√n
2√n 11393.768516167
3√n 506.3431369362
4√n 106.74159693469
5√n 41.943721079472

Divisors of 129817961

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 -129817960
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 129817961 can be divided by 16 positive divisors. The sum of these divisors (counting 129817961) is 1, the average is 0.0625.

Base conversion 129817961

Base System Value
2 Binary 111101111001101110101101001
3 Ternary 100001021102202122
4 Quaternary 13233031311221
5 Quinary 231213133321
6 Senary 20514241025
8 Octal 757156551
10 Decimal 129817961
12 Duodecimal 37586175
16 Hexadecimal 7bcdd69
20 Vigesimal 20b74i1
36 Base36 25ag6h

Cryptographic Hash Functions

md5 849d9ec2891f794cda6b2c755204ac85
sha1 b5308fc2f2718096e51d639cde9b1a522bec974d
sha256 eb2efe9977bf0be5783257a19e631d592204bc939359970536250a56caddf114
sha512 ffe12a8d59d8e3c5e68d9c0ccd66b28682f2ccc02415f8b79cf8e8144e9c365f5a58affb1606915f5e40f1acbb4aa574f0c5ff0b64e55578feb51794910107c2
ripemd-160 467486b0a58e9ce9bc74f36c1835e28b9d408a6a

129817961 as geometric shapes

Circle

Radius = n
Diameter 259635922
Circumference 815670305.16321
Area 5.2944327932268E+16

Sphere

Radius = n
Volume 9.1641662649098E+24
Surface area 2.1177731172907E+17
Circumference 815670305.16321

Square

Length = n
Perimeter 519271844
Area 16852702998197521
Diagonal 183590321.08582

Cube

Length = n
Surface area 101116217989185126
Volume 2.1877835405646E+24
Space diagonal 224851304.18699

Equilateral Triangle

Length = n
Perimeter 389453883
Area 7.2974344594366E+15
Altitude 112425652.0935

Triangular Pyramid

Length = n
Surface area 7.2974344594366E+15
Volume 2.5783276288359E+23
Height 61196773.695274