129715861 (number)

129715861 is an odd 9-digits composite number following 129715860 and preceding 129715862. In scientific notation, it is written as 1.29715861 × 10^8. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 117923500 positive integers (up to 129715861) that are relatively prime to 129715861.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred fifteen thousand eight hundred sixty-one

Notation

Scientific notation 1.29715861 × 10^8
Engineering notation 1.29715861 × 10^6

Prime Factorization of 129715861

Prime Factorization 11 × 11792351

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129715861
Product of the distinct prime numbers

The prime factorization of 129715861 is 11 × 11792351. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129715861)

Multiplication

n×y
n×2 259431722
n×3 389147583
n×4 518863444
n×5 648579305

Division

n÷y
n÷2 64857930.5
n÷3 43238620.333333
n÷3 32428965.25
n÷5 25943172.2

Exponentiation

ny
n2 16826204594971321
n3 2.1826256163989E+24
n4 2.8312116107183E+32
n5 3.6725305175753E+40

Nth Root

y√n
2√n 11389.287115531
3√n 506.21035820265
4√n 106.72060305082
5√n 41.937121373605

Divisors of 129715861

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 -129715860
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 129715861 can be divided by 4 positive divisors. The sum of these divisors (counting 129715861) is 1, the average is 0.25.

Base conversion 129715861

Base System Value
2 Binary 111101110110100111010010101
3 Ternary 100001002020201011
4 Quaternary 13232310322111
5 Quinary 231201401421
6 Senary 20512132221
8 Octal 756647225
10 Decimal 129715861
12 Duodecimal 37537071
16 Hexadecimal 7bb4e95
20 Vigesimal 20ae9d1
36 Base36 2589ed

Cryptographic Hash Functions

md5 8dbb16aa4112d5432322d5e5145e474b
sha1 7a508dee7e27c1dba07008fc5279eacbd10143f5
sha256 31a21100869f401f09a5984bc8a576ef9a146cc750561b7dc6c2a5a5b8ca01f9
sha512 2943199c55cf787c01a18f65832dcb95bff3586aef4473c08c4947a88cb0649776830cc1fa9dd61135f17afede88aa820f5121c0e5b82698d6c64b865dc18db5
ripemd-160 e1424b00730b31b07a1fece6b9d32a2fe7cbc719

129715861 as geometric shapes

Circle

Radius = n
Diameter 259431722
Circumference 815028791.94335
Area 5.2861080743361E+16

Sphere

Radius = n
Volume 9.1425608026874E+24
Surface area 2.1144432297344E+17
Circumference 815028791.94335

Square

Length = n
Perimeter 518863444
Area 16826204594971321
Diagonal 183445929.8811

Cube

Length = n
Surface area 100957227569827926
Volume 2.1826256163989E+24
Space diagonal 224674461.79954

Equilateral Triangle

Length = n
Perimeter 389147583
Area 7.2859603142598E+15
Altitude 112337230.89977

Triangular Pyramid

Length = n
Surface area 7.2859603142598E+15
Volume 2.5722489569118E+23
Height 61148643.293701