129857730 (number)

129857730 is an even 9-digits composite number following 129857729 and preceding 129857731. In scientific notation, it is written as 1.29857730 × 10^8. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 32591616 positive integers (up to 129857730) that are relatively prime to 129857730.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million eight hundred fifty-seven thousand seven hundred thirty

Notation

Scientific notation 1.29857730 × 10^8
Engineering notation 1.29857730 × 10^6

Prime Factorization of 129857730

Prime Factorization 2 × 3 × 17 × 5 × 254623

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129857730
Product of the distinct prime numbers

The prime factorization of 129857730 is 2 × 3 × 17 × 5 × 254623. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129857730)

Multiplication

n×y
n×2 259715460
n×3 389573190
n×4 519430920
n×5 649288650

Division

n÷y
n÷2 64928865
n÷3 43285910
n÷3 32464432.5
n÷5 25971546

Exponentiation

ny
n2 16863030040752900
n3 2.189794802014E+24
n4 2.8436178215533E+32
n5 3.6926575529446E+40

Nth Root

y√n
2√n 11395.513590883
3√n 506.39483677841
4√n 106.74977091724
5√n 41.946290609093

Divisors of 129857730

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 -129857729
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 129857730 can be divided by 32 positive divisors. The sum of these divisors (counting 129857730) is 1, the average is 0.03125.

Base conversion 129857730

Base System Value
2 Binary 111101111010111100011000010
3 Ternary 100001100110022120
4 Quaternary 13233113203002
5 Quinary 231220421410
6 Senary 20515145110
8 Octal 757274302
10 Decimal 129857730
12 Duodecimal 375a5196
16 Hexadecimal 7bd78c2
20 Vigesimal 20bc46a
36 Base36 25bav6

Cryptographic Hash Functions

md5 d6eaa24a1cf81edb9333eb4ad70e38e1
sha1 660ffa9f1f6bc3340b9d25a7959ddb86e1187afb
sha256 31aaef81ba68a33187b3783faa24fc081fa1c00a008d1fd55293aeb45e4995a6
sha512 f12082c9389498875d6426b44d07c5c202f75bce8b6006aac25cf4e3c4ee003146c044c331e4294d55f1c05d02bf6a3f148f4b0d064177a4a55565f8102909fc
ripemd-160 5b45dfee8691189a238b7319e58530aac973ca89

129857730 as geometric shapes

Circle

Radius = n
Diameter 259715460
Circumference 815920181.15969
Area 5.2976771293293E+16

Sphere

Radius = n
Volume 9.1725910171683E+24
Surface area 2.1190708517317E+17
Circumference 815920181.15969

Square

Length = n
Perimeter 519430920
Area 16863030040752900
Diagonal 183646562.94498

Cube

Length = n
Surface area 101178180244517400
Volume 2.189794802014E+24
Space diagonal 224920186.11556

Equilateral Triangle

Length = n
Perimeter 389573190
Area 7.3019062000361E+15
Altitude 112460093.05778

Triangular Pyramid

Length = n
Surface area 7.3019062000361E+15
Volume 2.5806979231852E+23
Height 61215520.981661