71311781 (number)

71311781 is an odd 8-digits composite number following 71311780 and preceding 71311782. In scientific notation, it is written as 7.1311781 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 70576512 positive integers (up to 71311781) that are relatively prime to 71311781.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eleven thousand seven hundred eighty-one

Notation

Scientific notation 7.1311781 × 10^7
Engineering notation 7.1311781 × 10^6

Prime Factorization of 71311781

Prime Factorization 97 × 735173

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71311781
Product of the distinct prime numbers

The prime factorization of 71311781 is 97 × 735173. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71311781)

Multiplication

n×y
n×2 142623562
n×3 213935343
n×4 285247124
n×5 356558905

Division

n÷y
n÷2 35655890.5
n÷3 23770593.666667
n÷3 17827945.25
n÷5 14262356.2

Exponentiation

ny
n2 5085370109391961
n3 3.6264679954491E+23
n4 2.5860989149497E+31
n5 1.8441931946723E+39

Nth Root

y√n
2√n 8444.6303057031
3√n 414.68700646305
4√n 91.894669626171
5√n 37.207651314623

Divisors of 71311781

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 -71311780
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 71311781 can be divided by 4 positive divisors. The sum of these divisors (counting 71311781) is 1, the average is 0.25.

Base conversion 71311781

Base System Value
2 Binary 100010000000010000110100101
3 Ternary 11222012000101002
4 Quaternary 10100002012211
5 Quinary 121223434111
6 Senary 11024243045
8 Octal 420020645
10 Decimal 71311781
12 Duodecimal 1ba70485
16 Hexadecimal 44021a5
20 Vigesimal 125dj91
36 Base36 16ggit

Cryptographic Hash Functions

md5 931d377d574749f29b9ab1e91f1d3ba9
sha1 2f5c0711dffea1f5e92647e787ee66f1ba214ab3
sha256 f8f9fb0c72d6da092995df3b728e76858d7e29419233237a883f4b385cfe9402
sha512 1ef209b08e9eea508d9c69440131db763edae866289825f3faaee741ef6991a79dc5e96b0d489feefb1d5cb310f9453a07ba9ded74cfba9e692925ffba00b0e6
ripemd-160 f5b6f620f374fd6c74d4a14b7c56ca605ade1ace

71311781 as geometric shapes

Circle

Radius = n
Diameter 142623562
Circumference 448065134.60801
Area 1.5976161376451E+16

Sphere

Radius = n
Volume 1.5190513617308E+24
Surface area 6.3904645505804E+16
Circumference 448065134.60801

Square

Length = n
Perimeter 285247124
Area 5085370109391961
Diagonal 100850087.84718

Cube

Length = n
Surface area 30512220656351766
Volume 3.6264679954491E+23
Space diagonal 123515627.87022

Equilateral Triangle

Length = n
Perimeter 213935343
Area 2.2020298511897E+15
Altitude 61757813.935112

Triangular Pyramid

Length = n
Surface area 2.2020298511897E+15
Volume 4.2738335188967E+22
Height 33616695.94906