71781878 (number)

71781878 is an even 8-digits composite number following 71781877 and preceding 71781879. In scientific notation, it is written as 7.1781878 × 10^7. The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors. There are 28910448 positive integers (up to 71781878) that are relatively prime to 71781878.

Interesting facts

Basic properties

Name

Name seventy-one million seven hundred eighty-one thousand eight hundred seventy-eight

Notation

Scientific notation 7.1781878 × 10^7
Engineering notation 7.1781878 × 10^6

Prime Factorization of 71781878

Prime Factorization 2 × 413 × 47 × 43 × 43

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1669346
Product of the distinct prime numbers

The prime factorization of 71781878 is 2 × 413 × 47 × 43 × 43. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71781878)

Multiplication

n×y
n×2 143563756
n×3 215345634
n×4 287127512
n×5 358909390

Division

n÷y
n÷2 35890939
n÷3 23927292.666667
n÷3 17945469.5
n÷5 14356375.6

Exponentiation

ny
n2 5152638009206884
n3 3.6986603295505E+23
n4 2.6549678453923E+31
n5 1.9057857797188E+39

Nth Root

y√n
2√n 8472.4186629321
3√n 415.59623591994
4√n 92.045742231415
5√n 37.256578055301

Divisors of 71781878

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71781877
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71781878 can be divided by 24 positive divisors. The sum of these divisors (counting 71781878) is 1, the average is 0.041666666666667.

Base conversion 71781878

Base System Value
2 Binary 100010001110100110111110110
3 Ternary 12000001220020002
4 Quaternary 10101310313312
5 Quinary 121334010003
6 Senary 11042311302
8 Octal 421646766
10 Decimal 71781878
12 Duodecimal 20058532
16 Hexadecimal 4474df6
20 Vigesimal 128cedi
36 Base36 16qj92

Cryptographic Hash Functions

md5 2b29da053ea0b28568e41edccb83a71d
sha1 6d6bca97149e239d106fa89cd6810c2a3245d4d1
sha256 a20c6e9564a82bc3b9054e3c854e37c5c8f9e83a9d4544650d6ecb3d7cc75a2d
sha512 373d24c4f7fccc291906f6c9a6f4b5fa589526fa8fa4d838c45a43af92cc94f7cba7924169ff0bdfd36e6f197248abaa44025c97670168433da3bb8e896801fd
ripemd-160 cdb76bc9696bc5657d5e3977b2df84642fdff8ac

71781878 as geometric shapes

Circle

Radius = n
Diameter 143563756
Circumference 451018841.17136
Area 1.6187489716332E+16

Sphere

Radius = n
Volume 1.5492912159253E+24
Surface area 6.4749958865328E+16
Circumference 451018841.17136

Square

Length = n
Perimeter 287127512
Area 5152638009206884
Diagonal 101514905.40021

Cube

Length = n
Surface area 30915828055241304
Volume 3.6986603295505E+23
Space diagonal 124329859.75871

Equilateral Triangle

Length = n
Perimeter 215345634
Area 2.2311577062392E+15
Altitude 62164929.879355

Triangular Pyramid

Length = n
Surface area 2.2311577062392E+15
Volume 4.3589130005514E+22
Height 33838301.80007