71661520 (number)

71661520 is an even 8-digits composite number following 71661519 and preceding 71661521. In scientific notation, it is written as 7.1661520 × 10^7. The sum of its digits is 28. It has a total of 8 prime factors and 80 positive divisors. There are 24192000 positive integers (up to 71661520) that are relatively prime to 71661520.

Interesting facts

Basic properties

Name

Name seventy-one million six hundred sixty-one thousand five hundred twenty

Notation

Scientific notation 7.1661520 × 10^7
Engineering notation 7.1661520 × 10^6

Prime Factorization of 71661520

Prime Factorization 2 × 2 × 2 × 2 × 35 × 7 × 181 × 101

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 8957690
Product of the distinct prime numbers

The prime factorization of 71661520 is 2 × 2 × 2 × 2 × 35 × 7 × 181 × 101. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71661520)

Multiplication

n×y
n×2 143323040
n×3 214984560
n×4 286646080
n×5 358307600

Division

n÷y
n÷2 35830760
n÷3 23887173.333333
n÷3 17915380
n÷5 14332304

Exponentiation

ny
n2 5135373448710400
n3 3.6800866710223E+23
n4 2.637206045772E+31
n5 1.8898619379321E+39

Nth Root

y√n
2√n 8465.3127526394
3√n 415.36382668287
4√n 92.007134248598
5√n 37.244075909012

Divisors of 71661520

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71661519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71661520 can be divided by 80 positive divisors. The sum of these divisors (counting 71661520) is 1, the average is 0.0125.

Base conversion 71661520

Base System Value
2 Binary 100010001010111011111010000
3 Ternary 11222211210010101
4 Quaternary 10101113133100
5 Quinary 121321132040
6 Senary 11035542144
8 Octal 421273720
10 Decimal 71661520
12 Duodecimal 1bbba954
16 Hexadecimal 44577d0
20 Vigesimal 127hdg0
36 Base36 16nyds

Cryptographic Hash Functions

md5 97260d5039e499421a21ed8edea86702
sha1 e25a62bd7a6d9be7dc3dcf4776edefe09efa02d2
sha256 35e16a4f75ecd68a089c9eb4d14cd3146203ffdaa8103ece82bfbf49c9618110
sha512 2074b1be17c681c604573c1cfb6f0abe1b9b9086219f64bbfc213182d95da151f682c8796be881178996b139dd41e0904e7729ea4e59dbc889b6ecbb324896a1
ripemd-160 31e58c92b966c1454588fc208856be6a225be996

71661520 as geometric shapes

Circle

Radius = n
Diameter 143323040
Circumference 450262609.55416
Area 1.6133251499909E+16

Sphere

Radius = n
Volume 1.5415111000343E+24
Surface area 6.4533005999635E+16
Circumference 450262609.55416

Square

Length = n
Perimeter 286646080
Area 5135373448710400
Diagonal 101344693.48427

Cube

Length = n
Surface area 30812240692262400
Volume 3.6800866710223E+23
Space diagonal 124121393.58761

Equilateral Triangle

Length = n
Perimeter 214984560
Area 2.2236819322517E+15
Altitude 62060696.793807

Triangular Pyramid

Length = n
Surface area 2.2236819322517E+15
Volume 4.3370237340568E+22
Height 33781564.494757