68638761 (number)

68638761 is an odd 8-digits composite number following 68638760 and preceding 68638762. In scientific notation, it is written as 6.8638761 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 45131904 positive integers (up to 68638761) that are relatively prime to 68638761.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8638761 × 10^7
Engineering notation 6.8638761 × 10^6

Prime Factorization of 68638761

Prime Factorization 3 × 3 × 73 × 104473

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 22879587
Product of the distinct prime numbers

The prime factorization of 68638761 is 3 × 3 × 73 × 104473. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 7, 90, 623, 810, 1616, 595, 51403, 2420, 56675, 484555, 3462177, 3730785, 68215502, 77705713, 874980301, 613610572, 8971118604, 9243092298

Basic calculations (n = 68638761)

Multiplication

n×y
n×2 137277522
n×3 205916283
n×4 274555044
n×5 343193805

Division

n÷y
n÷2 34319380.5
n÷3 22879587
n÷3 17159690.25
n÷5 13727752.2

Exponentiation

ny
n2 4711279511615121
n3 3.2337638840195E+23
n4 2.2196154636564E+31
n5 1.5235165532182E+39

Nth Root

y√n
2√n 8284.8512961911
3√n 409.43956941229
4√n 91.021158508289
5√n 36.924437416422

Divisors of 68638761

1, 3, 9, 73, 219, 657, 104473, 313419, 940257, 7626529, 22879587, 68638761

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68638760
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68638761 can be divided by 12 positive divisors. The sum of these divisors (counting 68638761) is 1, the average is 0.083333333333333.

Base conversion 68638761

Base System Value
2 Binary 100000101110101100000101001
3 Ternary 11210011012200100
4 Quaternary 10011311200221
5 Quinary 120032420021
6 Senary 10451100013
8 Octal 405654051
10 Decimal 68638761
12 Duodecimal 1aba1609
16 Hexadecimal 4175829
20 Vigesimal 118jgi1
36 Base36 14v609

Cryptographic Hash Functions

md5 24791ded867799784f5baf2c1e59f00d
sha1 86a09787374c18544b7ba2268c66834bf46310f0
sha256 ace324bfdbd4209ec48da3d6af8753ff069257e91b8ca88e8db8f09299249bc3
sha512 914fadd30fadecc0bc742742da69c05ab501bd81b3bce053540d2e88bdcdfc7e2ad148813ff2d10caf720b56a07b33d882d584538fd5d08298e4587cc9f9bc9a
ripemd-160 7b83c905f5d32bdc749a411ac013770b49a3daaf

68638761 as geometric shapes

Circle

Radius = n
Diameter 137277522
Circumference 431270054.61821
Area 1.4800921102698E+16

Sphere

Radius = n
Volume 1.3545558481973E+24
Surface area 5.9203684410793E+16
Circumference 431270054.61821

Square

Length = n
Perimeter 274555044
Area 4711279511615121
Diagonal 97069866.710685

Cube

Length = n
Surface area 28267677069690726
Volume 3.2337638840195E+23
Space diagonal 118885821.42058

Equilateral Triangle

Length = n
Perimeter 205916283
Area 2.0400438706939E+15
Altitude 59442910.710289

Triangular Pyramid

Length = n
Surface area 2.0400438706939E+15
Volume 3.8110272852439E+22
Height 32356622.236895