129777921 (number)

129777921 is an odd 9-digits composite number following 129777920 and preceding 129777922. In scientific notation, it is written as 1.29777921 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 68451264 positive integers (up to 129777921) that are relatively prime to 129777921.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million seven hundred seventy-seven thousand nine hundred twenty-one

Notation

Scientific notation 1.29777921 × 10^8
Engineering notation 1.29777921 × 10^6

Prime Factorization of 129777921

Prime Factorization 9 × 91 × 7 × 22637

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129777921
Product of the distinct prime numbers

The prime factorization of 129777921 is 9 × 91 × 7 × 22637. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129777921)

Multiplication

n×y
n×2 259555842
n×3 389333763
n×4 519111684
n×5 648889605

Division

n÷y
n÷2 64888960.5
n÷3 43259307
n÷3 32444480.25
n÷5 25955584.2

Exponentiation

ny
n2 16842308779082241
n3 2.1857598181893E+24
n4 2.8366336500995E+32
n5 3.6813241774856E+40

Nth Root

y√n
2√n 11392.01127984
3√n 506.2910741251
4√n 106.73336535423
5√n 41.94113340391

Divisors of 129777921

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129777920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129777921 can be divided by 16 positive divisors. The sum of these divisors (counting 129777921) is 1, the average is 0.0625.

Base conversion 129777921

Base System Value
2 Binary 111101111000100000100000001
3 Ternary 100001012101211200
4 Quaternary 13233010010001
5 Quinary 231210343141
6 Senary 20513331413
8 Octal 757040401
10 Decimal 129777921
12 Duodecimal 37566b69
16 Hexadecimal 7bc4101
20 Vigesimal 20b24g1
36 Base36 259la9

Cryptographic Hash Functions

md5 6c579a783213e1e8f58eb5dd3d9aceeb
sha1 9b3123ba88663a907f5d21849af643bb278333d5
sha256 45a8aa96476fb51c6ae0dc79f35e87bd108bc17ce08fe25b4a8475e933434d13
sha512 e34c499985aa912ac064f0664910f3e2b2f9dfdec75ed4389f4ea6c5c8c8479aec3777ba2978f508d6321fe991039879a1e85f6a6e09ec9e6f2acaf20f32667a
ripemd-160 ef16df31d8caea06ae5c7c2eb90c0b729d997fa5

129777921 as geometric shapes

Circle

Radius = n
Diameter 259555842
Circumference 815418726.42351
Area 5.2911673529856E+16

Sphere

Radius = n
Volume 9.1556893164472E+24
Surface area 2.1164669411942E+17
Circumference 815418726.42351

Square

Length = n
Perimeter 519111684
Area 16842308779082241
Diagonal 183533695.97478

Cube

Length = n
Surface area 101053852674493446
Volume 2.1857598181893E+24
Space diagonal 224781952.87266

Equilateral Triangle

Length = n
Perimeter 389333763
Area 7.2929336305334E+15
Altitude 112390976.43633

Triangular Pyramid

Length = n
Surface area 7.2929336305334E+15
Volume 2.5759426491446E+23
Height 61177898.658261