129968405 (number)

129968405 is an odd 9-digits composite number following 129968404 and preceding 129968406. In scientific notation, it is written as 1.29968405 × 10^8. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 88992960 positive integers (up to 129968405) that are relatively prime to 129968405.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million nine hundred sixty-eight thousand four hundred five

Notation

Scientific notation 1.29968405 × 10^8
Engineering notation 1.29968405 × 10^6

Prime Factorization of 129968405

Prime Factorization 5 × 7 × 821 × 4523

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129968405
Product of the distinct prime numbers

The prime factorization of 129968405 is 5 × 7 × 821 × 4523. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 129968405)

Multiplication

n×y
n×2 259936810
n×3 389905215
n×4 519873620
n×5 649842025

Division

n÷y
n÷2 64984202.5
n÷3 43322801.666667
n÷3 32492101.25
n÷5 25993681

Exponentiation

ny
n2 16891786298244025
n3 2.1953985227836E+24
n4 2.8533244434554E+32
n5 3.7084202686342E+40

Nth Root

y√n
2√n 11400.368634391
3√n 506.53865913445
4√n 106.77250879506
5√n 41.953438160297

Divisors of 129968405

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 -129968404
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 129968405 can be divided by 16 positive divisors. The sum of these divisors (counting 129968405) is 1, the average is 0.0625.

Base conversion 129968405

Base System Value
2 Binary 111101111110010100100010101
3 Ternary 100001120002010122
4 Quaternary 13233302210111
5 Quinary 231232442110
6 Senary 20521401325
8 Octal 757624425
10 Decimal 129968405
12 Duodecimal 37639245
16 Hexadecimal 7bf2915
20 Vigesimal 20c6105
36 Base36 25do9h

Cryptographic Hash Functions

md5 056924ba377e4a3bafef35da2a5907c4
sha1 75a0d765211273e60d1be6474298d07ea9eb639d
sha256 0f23688b98a6c68134ec28290856561bf87889b0ebd97a0e64202927ed2023dc
sha512 84feef047dc9100ef43847e0ecaf9408251ca0ce2d8ba30f6d8531d826ee6117d7ea3983b54d763dfb13d33320c940760c9e44d150c1c796b9351cef46d4422d
ripemd-160 969af7b1a6815432f0e41b55efac6175e30914f1

129968405 as geometric shapes

Circle

Radius = n
Diameter 259936810
Circumference 816615572.69357
Area 5.3067111740572E+16

Sphere

Radius = n
Volume 9.1960638278386E+24
Surface area 2.1226844696229E+17
Circumference 816615572.69357

Square

Length = n
Perimeter 519873620
Area 16891786298244025
Diagonal 183803081.031

Cube

Length = n
Surface area 101350717789464150
Volume 2.1953985227836E+24
Space diagonal 225111880.83869

Equilateral Triangle

Length = n
Perimeter 389905215
Area 7.3143580247886E+15
Altitude 112555940.41934

Triangular Pyramid

Length = n
Surface area 7.3143580247886E+15
Volume 2.5873019714454E+23
Height 61267693.677