71387681 (number)

71387681 is an odd 8-digits composite number following 71387680 and preceding 71387682. In scientific notation, it is written as 7.1387681 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 71350272 positive integers (up to 71387681) that are relatively prime to 71387681.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1387681 × 10^7
Engineering notation 7.1387681 × 10^6

Prime Factorization of 71387681

Prime Factorization 2017 × 35393

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71387681
Product of the distinct prime numbers

The prime factorization of 71387681 is 2017 × 35393. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71387681)

Multiplication

n×y
n×2 142775362
n×3 214163043
n×4 285550724
n×5 356938405

Division

n÷y
n÷2 35693840.5
n÷3 23795893.666667
n÷3 17846920.25
n÷5 14277536.2

Exponentiation

ny
n2 5096200998557761
n3 3.6380597119692E+23
n4 2.5971264617701E+31
n5 1.854028353695E+39

Nth Root

y√n
2√n 8449.1230905935
3√n 414.83407699069
4√n 91.91911167213
5√n 37.215568265112

Divisors of 71387681

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 -71387680
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 71387681 can be divided by 4 positive divisors. The sum of these divisors (counting 71387681) is 1, the average is 0.25.

Base conversion 71387681

Base System Value
2 Binary 100010000010100101000100001
3 Ternary 11222022212111012
4 Quaternary 10100110220201
5 Quinary 121233401211
6 Senary 11030030305
8 Octal 420245041
10 Decimal 71387681
12 Duodecimal 1baa8395
16 Hexadecimal 4414a21
20 Vigesimal 1263941
36 Base36 16i335

Cryptographic Hash Functions

md5 d896c2fedfc6d6b042d8f857e102c861
sha1 d623716fadf39dd8e23905e2fd5ff4750a406e00
sha256 3c218f02a5e487019d5c36e62bea793f70215c276f48d455526da7367ddb2a9f
sha512 7a2ccea7682629dcedbe8d653e68bac3f9a8c7d9aa6f7bdb0430fe643c9a558ff096274705d88375deb1afb1fa5b11026cb82e4c3a3dee63091d61f8632dc925
ripemd-160 fd4bf091b8e2750976f5a6df81047cb83c33c5c3

71387681 as geometric shapes

Circle

Radius = n
Diameter 142775362
Circumference 448542028.37282
Area 1.6010187618286E+16

Sphere

Radius = n
Volume 1.5239068885925E+24
Surface area 6.4040750473144E+16
Circumference 448542028.37282

Square

Length = n
Perimeter 285550724
Area 5096200998557761
Diagonal 100957426.65656

Cube

Length = n
Surface area 30577205991346566
Volume 3.6380597119692E+23
Space diagonal 123647090.52652

Equilateral Triangle

Length = n
Perimeter 214163043
Area 2.2067197637713E+15
Altitude 61823545.26326

Triangular Pyramid

Length = n
Surface area 2.2067197637713E+15
Volume 4.287494487825E+22
Height 33652475.552188