129125787 (number)

129125787 is an odd 9-digits composite number following 129125786 and preceding 129125788. In scientific notation, it is written as 1.29125787 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 73717632 positive integers (up to 129125787) that are relatively prime to 129125787.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million one hundred twenty-five thousand seven hundred eighty-seven

Notation

Scientific notation 1.29125787 × 10^8
Engineering notation 1.29125787 × 10^6

Prime Factorization of 129125787

Prime Factorization 3 × 7 × 1439 × 4273

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129125787
Product of the distinct prime numbers

The prime factorization of 129125787 is 3 × 7 × 1439 × 4273. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129125787)

Multiplication

n×y
n×2 258251574
n×3 387377361
n×4 516503148
n×5 645628935

Division

n÷y
n÷2 64562893.5
n÷3 43041929
n÷3 32281446.75
n÷5 25825157.4

Exponentiation

ny
n2 16673468868369369
n3 2.1529747896482E+24
n4 2.7800456410448E+32
n5 3.5897558129583E+40

Nth Root

y√n
2√n 11363.35280628
3√n 505.44161220344
4√n 106.59902816762
5√n 41.898897588751

Divisors of 129125787

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 -129125786
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 129125787 can be divided by 16 positive divisors. The sum of these divisors (counting 129125787) is 1, the average is 0.0625.

Base conversion 129125787

Base System Value
2 Binary 111101100100100110110011011
3 Ternary 22222222021021120
4 Quaternary 13230210312123
5 Quinary 231024011122
6 Senary 20451340323
8 Octal 754446633
10 Decimal 129125787
12 Duodecimal 372b16a3
16 Hexadecimal 7b24d9b
20 Vigesimal 2070e97
36 Base36 24vm3f

Cryptographic Hash Functions

md5 1ee2619136219cfbc9908d043206a26d
sha1 77f7d17023d9ce4c7a87321905ed5fd5b3590cb5
sha256 c7d7886938d5252efe259756a92117deb39facd193dc8ca305a612a726041efa
sha512 259df1ffdbbca635d09b5e3393f650ce2a3a76744edf3ba15e395ad93a553b842bc9643fc48eca76a2870ed294eb32ef9b060d577bd51ae502dd6d8d650d844a
ripemd-160 4767871f11914254b9ed36a4e02adb707824b35f

129125787 as geometric shapes

Circle

Radius = n
Diameter 258251574
Circumference 811321247.6564
Area 5.2381247306727E+16

Sphere

Radius = n
Volume 9.0183597100304E+24
Surface area 2.0952498922691E+17
Circumference 811321247.6564

Square

Length = n
Perimeter 516503148
Area 16673468868369369
Diagonal 182611439.2275

Cube

Length = n
Surface area 100040813210216214
Volume 2.1529747896482E+24
Space diagonal 223652423.65132

Equilateral Triangle

Length = n
Perimeter 387377361
Area 7.2198238046084E+15
Altitude 111826211.82566

Triangular Pyramid

Length = n
Surface area 7.2198238046084E+15
Volume 2.5373051224732E+23
Height 60870479.7425