71640987 (number)

71640987 is an odd 8-digits composite number following 71640986 and preceding 71640988. In scientific notation, it is written as 7.1640987 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 43418760 positive integers (up to 71640987) that are relatively prime to 71640987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1640987 × 10^7
Engineering notation 7.1640987 × 10^6

Prime Factorization of 71640987

Prime Factorization 3 × 11 × 2170939

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71640987
Product of the distinct prime numbers

The prime factorization of 71640987 is 3 × 11 × 2170939. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71640987)

Multiplication

n×y
n×2 143281974
n×3 214922961
n×4 286563948
n×5 358204935

Division

n÷y
n÷2 35820493.5
n÷3 23880329
n÷3 17910246.75
n÷5 14328197.4

Exponentiation

ny
n2 5132431018334169
n3 3.6769242386287E+23
n4 2.6341848157959E+31
n5 1.8871560014403E+39

Nth Root

y√n
2√n 8464.0998930778
3√n 415.32415183297
4√n 92.00054289556
5√n 37.241941373567

Divisors of 71640987

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 -71640986
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 71640987 can be divided by 8 positive divisors. The sum of these divisors (counting 71640987) is 1, the average is 0.125.

Base conversion 71640987

Base System Value
2 Binary 100010001010010011110011011
3 Ternary 11222210201221220
4 Quaternary 10101102132123
5 Quinary 121320002422
6 Senary 11035303123
8 Octal 421223633
10 Decimal 71640987
12 Duodecimal 1bbaaaa3
16 Hexadecimal 445279b
20 Vigesimal 127f297
36 Base36 16nijf

Cryptographic Hash Functions

md5 1c661a0d381e9cf9242aa6ab0218ca0e
sha1 ecfe247ff1952121560895d4990b01b2860b145a
sha256 85910ea74853b05839d12e47b739e43fd85dba1e3910d23f4496b7dfe3e49953
sha512 71e0af42cf611fa3b8f57f4d9d1baf1bdb0d8c91fce08aee1cf55e4ac0a2cd5864897d15fc1a25735fc65bd63eed531cccc4608e8435a24457b1e0898be163e8
ripemd-160 1ea6a670bf8f9df1900385e14bfcdfee1c434129

71640987 as geometric shapes

Circle

Radius = n
Diameter 143281974
Circumference 450133596.91024
Area 1.6124007582255E+16

Sphere

Radius = n
Volume 1.540186423451E+24
Surface area 6.449603032902E+16
Circumference 450133596.91024

Square

Length = n
Perimeter 286563948
Area 5132431018334169
Diagonal 101315655.43719

Cube

Length = n
Surface area 30794586110005014
Volume 3.6769242386287E+23
Space diagonal 124085829.38838

Equilateral Triangle

Length = n
Perimeter 214922961
Area 2.2224078225243E+15
Altitude 62042914.694191

Triangular Pyramid

Length = n
Surface area 2.2224078225243E+15
Volume 4.3332967717393E+22
Height 33771885.145732