129623721 (number)

129623721 is an odd 9-digits composite number following 129623720 and preceding 129623722. In scientific notation, it is written as 1.29623721 × 10^8. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 86415812 positive integers (up to 129623721) that are relatively prime to 129623721.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred twenty-three thousand seven hundred twenty-one

Notation

Scientific notation 1.29623721 × 10^8
Engineering notation 1.29623721 × 10^6

Prime Factorization of 129623721

Prime Factorization 3 × 43207907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129623721
Product of the distinct prime numbers

The prime factorization of 129623721 is 3 × 43207907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 4, 59, 90, 690, 105, 1739, 2616, 89655, 65973, 96899, 11278, 7846451, 3903775, 23837152, 93073745, 865563686, 805185501, 2886016041, 9682166683

Basic calculations (n = 129623721)

Multiplication

n×y
n×2 259247442
n×3 388871163
n×4 518494884
n×5 648118605

Division

n÷y
n÷2 64811860.5
n÷3 43207907
n÷3 32405930.25
n÷5 25924744.2

Exponentiation

ny
n2 16802309045885841
n3 2.1779778199197E+24
n4 2.8231758927346E+32
n5 3.6595056425375E+40

Nth Root

y√n
2√n 11385.241367665
3√n 506.09047239977
4√n 106.70164650869
5√n 41.931161910052

Divisors of 129623721

1, 3, 43207907, 129623721

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 -129623720
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 129623721 can be divided by 4 positive divisors. The sum of these divisors (counting 129623721) is 1, the average is 0.25.

Base conversion 129623721

Base System Value
2 Binary 111101110011110011010101001
3 Ternary 100000220120022120
4 Quaternary 13232132122221
5 Quinary 231140424341
6 Senary 20510141453
8 Octal 756363251
10 Decimal 129623721
12 Duodecimal 374b1889
16 Hexadecimal 7b9e6a9
20 Vigesimal 20a2j61
36 Base36 256aax

Cryptographic Hash Functions

md5 0ed31fc8a32133fa66b109f3048e982c
sha1 a6b4df2c48b40c6e18c0bd0a4478efa393112939
sha256 970ea48fb932f9fcc6f58fcdc4008e0f25b6f6b344d092cd038a14888f709878
sha512 44dc37bfb7e2501590e46ab2ff12efab90f5e49e42966d7507ac43eba3b5dc0f21e32a25934a823eee833af803037b92bc4b56a732ccef19f91bc4a8a4bbd524
ripemd-160 439f7719a2f1c921481e252b0ee61e219b903903

129623721 as geometric shapes

Circle

Radius = n
Diameter 259247442
Circumference 814449859.24915
Area 5.27860106619E+16

Sphere

Radius = n
Volume 9.1230921583216E+24
Surface area 2.111440426476E+17
Circumference 814449859.24915

Square

Length = n
Perimeter 518494884
Area 16802309045885841
Diagonal 183315624.24347

Cube

Length = n
Surface area 100813854275315046
Volume 2.1779778199197E+24
Space diagonal 224514870.63813

Equilateral Triangle

Length = n
Perimeter 388871163
Area 7.2756132379871E+15
Altitude 112257435.31907

Triangular Pyramid

Length = n
Surface area 7.2756132379871E+15
Volume 2.5667714762318E+23
Height 61105208.081155