129771894 (number)

129771894 is an even 9-digits composite number following 129771893 and preceding 129771895. In scientific notation, it is written as 1.29771894 × 10^8. The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors. There are 36867600 positive integers (up to 129771894) that are relatively prime to 129771894.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred seventy-one thousand eight hundred ninety-four

Notation

Scientific notation 1.29771894 × 10^8
Engineering notation 1.29771894 × 10^6

Prime Factorization of 129771894

Prime Factorization 2 × 21 × 7 × 191 × 2311

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129771894
Product of the distinct prime numbers

The prime factorization of 129771894 is 2 × 21 × 7 × 191 × 2311. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129771894)

Multiplication

n×y
n×2 259543788
n×3 389315682
n×4 519087576
n×5 648859470

Division

n÷y
n÷2 64885947
n÷3 43257298
n÷3 32442973.5
n÷5 25954378.8

Exponentiation

ny
n2 16840744472347236
n3 2.1854553065465E+24
n4 2.8361067438289E+32
n5 3.6804694373285E+40

Nth Root

y√n
2√n 11391.746749292
3√n 506.28323647055
4√n 106.73212613497
5√n 41.9407438401

Divisors of 129771894

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129771893
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129771894 can be divided by 32 positive divisors. The sum of these divisors (counting 129771894) is 1, the average is 0.03125.

Base conversion 129771894

Base System Value
2 Binary 111101111000010100101110110
3 Ternary 100001012002120110
4 Quaternary 13233002211312
5 Quinary 231210200034
6 Senary 20513243450
8 Octal 757024566
10 Decimal 129771894
12 Duodecimal 37563586
16 Hexadecimal 7bc2976
20 Vigesimal 20b19ee
36 Base36 259gmu

Cryptographic Hash Functions

md5 b6d3e8acd8e995ecd3affaa49ec24712
sha1 599d7e261fc44ae512073ce9246f520dd67655e0
sha256 aef92aaa5492dc1d8b31868102043037211c69a0a4346e6e07c22ee048e49e91
sha512 65995a146a016db68f060070a782bb48ca74c06a4f3e4dfd3148eeed2747b349ba38bcd8510beba3aecdf877f9c5ee064b338de649d9f0cdba4fb764fe6ce2b6
ripemd-160 0ae8ee1ad43cce7d7f83ca6e0b6127b44a9deed4

129771894 as geometric shapes

Circle

Radius = n
Diameter 259543788
Circumference 815380857.66567
Area 5.2906759115309E+16

Sphere

Radius = n
Volume 9.1544137810605E+24
Surface area 2.1162703646124E+17
Circumference 815380857.66567

Square

Length = n
Perimeter 519087576
Area 16840744472347236
Diagonal 183525172.50964

Cube

Length = n
Surface area 101044466834083416
Volume 2.1854553065465E+24
Space diagonal 224771513.80244

Equilateral Triangle

Length = n
Perimeter 389315682
Area 7.2922562658475E+15
Altitude 112385756.90122

Triangular Pyramid

Length = n
Surface area 7.2922562658475E+15
Volume 2.575583778732E+23
Height 61175057.503215