129721146 (number)

129721146 is an even 9-digits composite number following 129721145 and preceding 129721147. In scientific notation, it is written as 1.29721146 × 10^8. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 42476544 positive integers (up to 129721146) that are relatively prime to 129721146.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.29721146 × 10^8
Engineering notation 1.29721146 × 10^6

Prime Factorization of 129721146

Prime Factorization 2 × 3 × 73 × 353 × 839

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129721146
Product of the distinct prime numbers

The prime factorization of 129721146 is 2 × 3 × 73 × 353 × 839. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 1, 44, 89, 471, 260, 2262, 8281, 70164, 22712, 266452, 115563, 2355624, 2012920, 99878293, 44119902, 251234839, 122061584, 3993767733, 2524052241

Basic calculations (n = 129721146)

Multiplication

n×y
n×2 259442292
n×3 389163438
n×4 518884584
n×5 648605730

Division

n÷y
n÷2 64860573
n÷3 43240382
n÷3 32430286.5
n÷5 25944229.2

Exponentiation

ny
n2 16827575719553316
n3 2.1828924067422E+24
n4 2.831673045973E+32
n5 3.6732787262093E+40

Nth Root

y√n
2√n 11389.519129445
3√n 506.21723293483
4√n 106.72169006086
5√n 41.937463096001

Divisors of 129721146

1, 2, 3, 6, 73, 146, 219, 353, 438, 706, 839, 1059, 1678, 2118, 2517, 5034, 25769, 51538, 61247, 77307, 122494, 154614, 183741, 296167, 367482, 592334, 888501, 1777002, 21620191, 43240382, 64860573, 129721146

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 -129721145
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 129721146 can be divided by 32 positive divisors. The sum of these divisors (counting 129721146) is 1, the average is 0.03125.

Base conversion 129721146

Base System Value
2 Binary 111101110110110001100111010
3 Ternary 100001002111221220
4 Quaternary 13232312030322
5 Quinary 231202034041
6 Senary 20512212510
8 Octal 756661472
10 Decimal 129721146
12 Duodecimal 3753a136
16 Hexadecimal 7bb633a
20 Vigesimal 20af2h6
36 Base36 258dh6

Cryptographic Hash Functions

md5 e09d70e4bb464d4f0e0bd4da04df2921
sha1 27b43ff7a08a0a1e69785a795e54345b4c7b1b65
sha256 f77e15b7be45caf56a5da07126e36307f053118af53b1cae6b67528b3e3e6bf9
sha512 799062e74d240994aa8a999d500a6023727db940977a1214c98d26cbf569043239e5e20eedc0d7895822287c5841e8d59ae01e9e89c4c6e645fc7a245af24807
ripemd-160 5fe5488d632da75e8d453bfa0befe1dd8c01e693

129721146 as geometric shapes

Circle

Radius = n
Diameter 259442292
Circumference 815061998.5777
Area 5.2865388258275E+16

Sphere

Radius = n
Volume 9.1436783314644E+24
Surface area 2.114615530331E+17
Circumference 815061998.5777

Square

Length = n
Perimeter 518884584
Area 16827575719553316
Diagonal 183453403.99978

Cube

Length = n
Surface area 100965454317319896
Volume 2.1828924067422E+24
Space diagonal 224683615.68806

Equilateral Triangle

Length = n
Perimeter 389163438
Area 7.2865540286197E+15
Altitude 112341807.84403

Triangular Pyramid

Length = n
Surface area 7.2865540286197E+15
Volume 2.5725633723468E+23
Height 61151134.666593