129678891 (number)

129678891 is an odd 9-digits composite number following 129678890 and preceding 129678892. In scientific notation, it is written as 1.29678891 × 10^8. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 86452592 positive integers (up to 129678891) that are relatively prime to 129678891.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred seventy-eight thousand eight hundred ninety-one

Notation

Scientific notation 1.29678891 × 10^8
Engineering notation 1.29678891 × 10^6

Prime Factorization of 129678891

Prime Factorization 3 × 43226297

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129678891
Product of the distinct prime numbers

The prime factorization of 129678891 is 3 × 43226297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 10, 74, 16, 429, 109, 4456, 9294, 38600, 24161, 482191, 645348, 8697002, 8491214, 70317381, 3787319, 436783536, 836393565, 2864652718, 5031817365

Basic calculations (n = 129678891)

Multiplication

n×y
n×2 259357782
n×3 389036673
n×4 518715564
n×5 648394455

Division

n÷y
n÷2 64839445.5
n÷3 43226297
n÷3 32419722.75
n÷5 25935778.2

Exponentiation

ny
n2 16816614770989881
n3 2.1807599538762E+24
n4 2.8279853235588E+32
n5 3.6673000052337E+40

Nth Root

y√n
2√n 11387.663983452
3√n 506.16226237481
4√n 106.71299819353
5√n 41.934730621776

Divisors of 129678891

1, 3, 43226297, 129678891

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129678890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129678891 can be divided by 4 positive divisors. The sum of these divisors (counting 129678891) is 1, the average is 0.25.

Base conversion 129678891

Base System Value
2 Binary 111101110101011111000101011
3 Ternary 100001000100222220
4 Quaternary 13232223320223
5 Quinary 231144211031
6 Senary 20511245123
8 Octal 756537053
10 Decimal 129678891
12 Duodecimal 375197a3
16 Hexadecimal 7babe2b
20 Vigesimal 20a9h4b
36 Base36 257gvf

Cryptographic Hash Functions

md5 2fbf65de48988eb955f2e52bd898abef
sha1 3e9cf217807bb0ab0a4182e2b8a1492a4571da5f
sha256 a12460e12cdc298268f8fedb8513e0b9899ec3247b4a2bce75b3e3a2d52966fb
sha512 6f8aca9310e8d92bf3136d2868f639368240916b1834cfbedf0e924ceb86b5c1e01a3197fece4452ab56d6f599a946e202124da28b11e7db33460edd3af9bf8a
ripemd-160 ba16c73fe48ce4757c7f1150c11f5a0b1139adcb

129678891 as geometric shapes

Circle

Radius = n
Diameter 259357782
Circumference 814796502.58254
Area 5.2830953422791E+16

Sphere

Radius = n
Volume 9.134745933787E+24
Surface area 2.1132381369117E+17
Circumference 814796502.58254

Square

Length = n
Perimeter 518715564
Area 16816614770989881
Diagonal 183393646.4057

Cube

Length = n
Surface area 100899688625939286
Volume 2.1807599538762E+24
Space diagonal 224610427.88119

Equilateral Triangle

Length = n
Perimeter 389036673
Area 7.2818077986669E+15
Altitude 112305213.94059

Triangular Pyramid

Length = n
Surface area 7.2818077986669E+15
Volume 2.5700502525432E+23
Height 61131215.468567