129398840 (number)

129398840 is an even 9-digits composite number following 129398839 and preceding 129398841. In scientific notation, it is written as 1.29398840 × 10^8. The sum of its digits is 44. It has a total of 6 prime factors and 32 positive divisors. There are 51103104 positive integers (up to 129398840) that are relatively prime to 129398840.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million three hundred ninety-eight thousand eight hundred forty

Notation

Scientific notation 1.29398840 × 10^8
Engineering notation 1.29398840 × 10^6

Prime Factorization of 129398840

Prime Factorization 2 × 2 × 2 × 5 × 79 × 40949

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 32349710
Product of the distinct prime numbers

The prime factorization of 129398840 is 2 × 2 × 2 × 5 × 79 × 40949. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129398840)

Multiplication

n×y
n×2 258797680
n×3 388196520
n×4 517595360
n×5 646994200

Division

n÷y
n÷2 64699420
n÷3 43132946.666667
n÷3 32349710
n÷5 25879768

Exponentiation

ny
n2 16744059793345600
n3 2.1666619141496E+24
n4 2.8036353836313E+32
n5 3.6278716642485E+40

Nth Root

y√n
2√n 11375.36109317
3√n 505.797635025
4√n 106.65533785596
5√n 41.916602735255

Divisors of 129398840

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 -129398839
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 129398840 can be divided by 32 positive divisors. The sum of these divisors (counting 129398840) is 1, the average is 0.03125.

Base conversion 129398840

Base System Value
2 Binary 111101101100111100000111000
3 Ternary 100000111010211122
4 Quaternary 13231213200320
5 Quinary 231111230330
6 Senary 20501244412
8 Octal 755474070
10 Decimal 129398840
12 Duodecimal 37403708
16 Hexadecimal 7b67838
20 Vigesimal 208eh20
36 Base36 251gs8

Cryptographic Hash Functions

md5 98fc382aa473c3724b693c38232ed272
sha1 34d09235999482036acf63898e5aa568f36a26a8
sha256 a90e7a84e0f9e0260f19a38fb9c5fa263901cc1d39ade9e34962ca36c6b462bf
sha512 a9b176a5b268c353c6a5e4a257e60f27135311c0189c8709c9208795d364f2769072397001dfa0736fd250628853c86e705e26a781f96c600b45c5222bd48e0c
ripemd-160 7bd3b52496ae43591b39eb1c20fe0aec8a43a8d3

129398840 as geometric shapes

Circle

Radius = n
Diameter 258797680
Circumference 813036890.25408
Area 5.2603015238043E+16

Sphere

Radius = n
Volume 9.0756922030734E+24
Surface area 2.1041206095217E+17
Circumference 813036890.25408

Square

Length = n
Perimeter 517595360
Area 16744059793345600
Diagonal 182997594.48335

Cube

Length = n
Surface area 100464358760073600
Volume 2.1666619141496E+24
Space diagonal 224125365.32048

Equilateral Triangle

Length = n
Perimeter 388196520
Area 7.2503905717615E+15
Altitude 112062682.66024

Triangular Pyramid

Length = n
Surface area 7.2503905717615E+15
Volume 2.5534355533896E+23
Height 60999198.161115