71249781 (number)

71249781 is an odd 8-digits composite number following 71249780 and preceding 71249782. In scientific notation, it is written as 7.1249781 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 45861872 positive integers (up to 71249781) that are relatively prime to 71249781.

Interesting facts

Basic properties

Name

Name seventy-one million two hundred forty-nine thousand seven hundred eighty-one

Notation

Scientific notation 7.1249781 × 10^7
Engineering notation 7.1249781 × 10^6

Prime Factorization of 71249781

Prime Factorization 3 × 29 × 818963

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71249781
Product of the distinct prime numbers

The prime factorization of 71249781 is 3 × 29 × 818963. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71249781)

Multiplication

n×y
n×2 142499562
n×3 213749343
n×4 284999124
n×5 356248905

Division

n÷y
n÷2 35624890.5
n÷3 23749927
n÷3 17812445.25
n÷5 14249956.2

Exponentiation

ny
n2 5076531292547961
n3 3.6170174283369E+23
n4 2.5771169964219E+31
n5 1.8361902160644E+39

Nth Root

y√n
2√n 8440.9585356167
3√n 414.56679234248
4√n 91.874689308953
5√n 37.201179236583

Divisors of 71249781

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 -71249780
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 71249781 can be divided by 8 positive divisors. The sum of these divisors (counting 71249781) is 1, the average is 0.125.

Base conversion 71249781

Base System Value
2 Binary 100001111110010111101110101
3 Ternary 11222001212022210
4 Quaternary 10033302331311
5 Quinary 121214443111
6 Senary 11023044033
8 Octal 417627565
10 Decimal 71249781
12 Duodecimal 1ba40619
16 Hexadecimal 43f2f75
20 Vigesimal 1256491
36 Base36 16f4ol

Cryptographic Hash Functions

md5 41bf81ed3bb68dae08a69d4490905a6c
sha1 5f9912714d14a1b00fd31f14f9235f84c16cd792
sha256 6c89af3074fec2b1478ceadb40624612dee3998340cb1a6f03da3402e58fc507
sha512 0115e471bd80d817f8b8e7063cb5b1797880f7a64a0ee50a4645d76c1c9b3c599875e6f52af65bc60607a77053ee5fa3cc486b2072bb2368f81e3be9fadb422b
ripemd-160 16fbb21c511b9bef01e037151a65586f235123b0

71249781 as geometric shapes

Circle

Radius = n
Diameter 142499562
Circumference 447675577.11896
Area 1.5948393414387E+16

Sphere

Radius = n
Volume 1.5150927174359E+24
Surface area 6.3793573657549E+16
Circumference 447675577.11896

Square

Length = n
Perimeter 284999124
Area 5076531292547961
Diagonal 100762406.60631

Cube

Length = n
Surface area 30459187755287766
Volume 3.6170174283369E+23
Space diagonal 123408240.72016

Equilateral Triangle

Length = n
Perimeter 213749343
Area 2.1982025312266E+15
Altitude 61704120.360078

Triangular Pyramid

Length = n
Surface area 2.1982025312266E+15
Volume 4.2626959187449E+22
Height 33587468.868771