681187138 (number)

681187138 is an even 9-digits composite number following 681187137 and preceding 681187139. In scientific notation, it is written as 6.81187138 × 10^8. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 336282180 positive integers (up to 681187138) that are relatively prime to 681187138.

Interesting facts

Basic properties

Name

Name six hundred eighty-one million one hundred eighty-seven thousand one hundred thirty-eight

Notation

Scientific notation 6.81187138 × 10^8
Engineering notation 6.81187138 × 10^6

Prime Factorization of 681187138

Prime Factorization 2 × 79 × 4311311

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 681187138
Product of the distinct prime numbers

The prime factorization of 681187138 is 2 × 79 × 4311311. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 10, 52, 91, 788, 686, 1606, 4500, 80705, 58588, 619445, 795002, 4446032, 8600516, 26597474, 48180230, 628529914, 364794310, 9825992139, 37465429

Basic calculations (n = 681187138)

Multiplication

n×y
n×2 1362374276
n×3 2043561414
n×4 2724748552
n×5 3405935690

Division

n÷y
n÷2 340593569
n÷3 227062379.33333
n÷3 170296784.5
n÷5 136237427.6

Exponentiation

ny
n2 464015916976631044
n3 3.1608167447176E+26
n4 2.1531077120766E+35
n5 1.4666692801952E+44

Nth Root

y√n
2√n 26099.562026977
3√n 879.87736669209
4√n 161.55358871587
5√n 58.432341247689

Divisors of 681187138

1, 2, 79, 158, 4311311, 8622622, 340593569, 681187138

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -681187137
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 681187138 can be divided by 8 positive divisors. The sum of these divisors (counting 681187138) is 1, the average is 0.125.

Base conversion 681187138

Base System Value
2 Binary 101000100110100001011101000010
3 Ternary 1202110202220002021
4 Quaternary 220212201131002
5 Quinary 2343340442023
6 Senary 151332112054
8 Octal 5046413502
10 Decimal 681187138
12 Duodecimal 17016562a
16 Hexadecimal 289a1742
20 Vigesimal ach87gi
36 Base36 b9k7cy

Cryptographic Hash Functions

md5 8da7bfff7c08d4eb13cc8911200281c3
sha1 ccfdba7c9ad77a4807d6c16daa65337f0e703094
sha256 e15568229487afe55ccd68a19ba1dcc51bb66230a70d3af9c81d6645ee8facf7
sha512 3f9cacecc4f0ac134b2bccc1ff019cd887e09f0d385ffe930b2534ac53eb951eb0e973e6ce074347a359e07799bfeb779521ed059a43f9f069f68bc7e9b7612c
ripemd-160 2629804bc779301fc5c4cf04fe04490c5899bc60

681187138 as geometric shapes

Circle

Radius = n
Diameter 1362374276
Circumference 4280025016.9213
Area 1.4577489959225E+18

Sphere

Radius = n
Volume 1.3239998219398E+27
Surface area 5.8309959836901E+18
Circumference 4280025016.9213

Square

Length = n
Perimeter 2724748552
Area 464015916976631044
Diagonal 963344089.07371

Cube

Length = n
Surface area 2784095501859786264
Volume 3.1608167447176E+26
Space diagonal 1179850732.4784

Equilateral Triangle

Length = n
Perimeter 2043561414
Area 2.0092478593105E+17
Altitude 589925366.23922

Triangular Pyramid

Length = n
Surface area 2.0092478593105E+17
Volume 3.7250582571296E+25
Height 321114696.3579