129646978 (number)

129646978 is an even 9-digits composite number following 129646977 and preceding 129646979. In scientific notation, it is written as 1.29646978 × 10^8. The sum of its digits is 52. It has a total of 5 prime factors and 32 positive divisors. There are 61544448 positive integers (up to 129646978) that are relatively prime to 129646978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29646978 × 10^8
Engineering notation 1.29646978 × 10^6

Prime Factorization of 129646978

Prime Factorization 2 × 73 × 43 × 193 × 107

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129646978
Product of the distinct prime numbers

The prime factorization of 129646978 is 2 × 73 × 43 × 193 × 107. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129646978)

Multiplication

n×y
n×2 259293956
n×3 388940934
n×4 518587912
n×5 648234890

Division

n÷y
n÷2 64823489
n÷3 43215659.333333
n÷3 32411744.5
n÷5 25929395.6

Exponentiation

ny
n2 16808338904532484
n3 2.1791503441725E+24
n4 2.8252025672962E+32
n5 3.6627897508779E+40

Nth Root

y√n
2√n 11386.262687994
3√n 506.12073805939
4√n 106.70643227095
5√n 41.932666454197

Divisors of 129646978

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 -129646977
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 129646978 can be divided by 32 positive divisors. The sum of these divisors (counting 129646978) is 1, the average is 0.03125.

Base conversion 129646978

Base System Value
2 Binary 111101110100100000110000010
3 Ternary 100000221202012221
4 Quaternary 13232210012002
5 Quinary 231142200403
6 Senary 20510441254
8 Octal 756440602
10 Decimal 129646978
12 Duodecimal 3750322a
16 Hexadecimal 7ba4182
20 Vigesimal 20a5h8i
36 Base36 256s8y

Cryptographic Hash Functions

md5 20f9ce4fbbf2d85cb6458036fcafa768
sha1 291f039eca1e2c7c4788d173fb578cfb85cf5111
sha256 0408a8a038ad9a5e028deda5dfdfe5faa72a2666c7604e532e5d006ab0b76387
sha512 1aafcc49efd189f0364e58354294bbaf8646b7692dbde156f855dca755cea2ac54e8d813dfdc949268b65324b5ab55597501ad54233b434d3e096246b43a3cdc
ripemd-160 30080c895f834672c5c37a65dbb54517fa70b8f8

129646978 as geometric shapes

Circle

Radius = n
Diameter 259293956
Circumference 814595987.28984
Area 5.2804954021527E+16

Sphere

Radius = n
Volume 9.1280036164265E+24
Surface area 2.1121981608611E+17
Circumference 814595987.28984

Square

Length = n
Perimeter 518587912
Area 16808338904532484
Diagonal 183348514.60829

Cube

Length = n
Surface area 100850033427194904
Volume 2.1791503441725E+24
Space diagonal 224555152.94376

Equilateral Triangle

Length = n
Perimeter 388940934
Area 7.2782242433717E+15
Altitude 112277576.47188

Triangular Pyramid

Length = n
Surface area 7.2782242433717E+15
Volume 2.5681533093156E+23
Height 61116171.536095