129968681 (number)

129968681 is an odd 9-digits composite number following 129968680 and preceding 129968682. In scientific notation, it is written as 1.29968681 × 10^8. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 127765764 positive integers (up to 129968681) that are relatively prime to 129968681.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million nine hundred sixty-eight thousand six hundred eighty-one

Notation

Scientific notation 1.29968681 × 10^8
Engineering notation 1.29968681 × 10^6

Prime Factorization of 129968681

Prime Factorization 59 × 2202859

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 129968681
Product of the distinct prime numbers

The prime factorization of 129968681 is 59 × 2202859. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 1, 49, 62, 432, 746, 685, 6474, 21021, 76213, 508, 836711, 4016632, 442072, 46841754, 88702980, 302673218, 772649940, 8406715128, 6696526295

Basic calculations (n = 129968681)

Multiplication

n×y
n×2 259937362
n×3 389906043
n×4 519874724
n×5 649843405

Division

n÷y
n÷2 64984340.5
n÷3 43322893.666667
n÷3 32492170.25
n÷5 25993736.2

Exponentiation

ny
n2 16891858040879761
n3 2.1954125092124E+24
n4 2.8533486807323E+32
n5 3.7084596446787E+40

Nth Root

y√n
2√n 11400.380739256
3√n 506.53901769485
4√n 106.77256548035
5√n 41.953455978688

Divisors of 129968681

1, 59, 2202859, 129968681

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 -129968680
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 129968681 can be divided by 4 positive divisors. The sum of these divisors (counting 129968681) is 1, the average is 0.25.

Base conversion 129968681

Base System Value
2 Binary 111101111110010101000101001
3 Ternary 100001120002111212
4 Quaternary 13233302220221
5 Quinary 231232444211
6 Senary 20521402505
8 Octal 757625051
10 Decimal 129968681
12 Duodecimal 37639435
16 Hexadecimal 7bf2a29
20 Vigesimal 20c61e1
36 Base36 25doh5

Cryptographic Hash Functions

md5 49bb630bb3696a73ff8b79be91926983
sha1 cd68d1dbdeb4605a40a2ed417e858754c1eb59cc
sha256 843f468fcb5d822be6a9164fe8b0083c6cc328ac0ae439fd7c93f643d553fd57
sha512 d7c22f35f1e814d7f0bc8efd74fd41e244629a746ce1d666dc3c4087fbc2ab1a7cfeea52a12a7d44b25e9e14dba764e456e20458422abc15dd15b86d68a4376e
ripemd-160 b7c5b61ba8661e2e313cbe8ea7da74b113eda1d5

129968681 as geometric shapes

Circle

Radius = n
Diameter 259937362
Circumference 816617306.85271
Area 5.306733712671E+16

Sphere

Radius = n
Volume 9.1961224140544E+24
Surface area 2.1226934850684E+17
Circumference 816617306.85271

Square

Length = n
Perimeter 519874724
Area 16891858040879761
Diagonal 183803471.35394

Cube

Length = n
Surface area 101351148245278566
Volume 2.1954125092124E+24
Space diagonal 225112358.88471

Equilateral Triangle

Length = n
Perimeter 389906043
Area 7.3143890902612E+15
Altitude 112556179.44236

Triangular Pyramid

Length = n
Surface area 7.3143890902612E+15
Volume 2.5873184546098E+23
Height 61267823.784647