71288891 (number)

71288891 is an odd 8-digits composite number following 71288890 and preceding 71288892. In scientific notation, it is written as 7.1288891 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 68189352 positive integers (up to 71288891) that are relatively prime to 71288891.

Interesting facts

Basic properties

Name

Name seventy-one million two hundred eighty-eight thousand eight hundred ninety-one

Notation

Scientific notation 7.1288891 × 10^7
Engineering notation 7.1288891 × 10^6

Prime Factorization of 71288891

Prime Factorization 23 × 3099517

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71288891
Product of the distinct prime numbers

The prime factorization of 71288891 is 23 × 3099517. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71288891)

Multiplication

n×y
n×2 142577782
n×3 213866673
n×4 285155564
n×5 356444455

Division

n÷y
n÷2 35644445.5
n÷3 23762963.666667
n÷3 17822222.75
n÷5 14257778.2

Exponentiation

ny
n2 5082105980009881
n3 3.6229769925937E+23
n4 2.5827801192052E+31
n5 1.8412353039499E+39

Nth Root

y√n
2√n 8443.2748978107
3√n 414.64263230195
4√n 91.887294539619
5√n 37.205262389543

Divisors of 71288891

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 -71288890
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 71288891 can be divided by 4 positive divisors. The sum of these divisors (counting 71288891) is 1, the average is 0.25.

Base conversion 71288891

Base System Value
2 Binary 100001111111100100000111011
3 Ternary 11222010211222022
4 Quaternary 10033330200323
5 Quinary 121222221031
6 Senary 11023545055
8 Octal 417744073
10 Decimal 71288891
12 Duodecimal 1ba5b18b
16 Hexadecimal 43fc83b
20 Vigesimal 125b24b
36 Base36 16fyuz

Cryptographic Hash Functions

md5 e9f67a8a8b1df643168aa943910e6caa
sha1 987e9cc11946947f6b3fef77a839e8182a84177b
sha256 07f5b933983a832d36f0bc0ccf14978f9043a2822cb3a29f9f854ffcbf514dd8
sha512 834afdbc8bdb9bee55b0468d9933abfebb8e6ad5c1bcb1624fe70571f6e9338c9c5646c5ec58bd8324fcc917ca19ffee55b8d746bbdb78caa4f7293e0de5a517
ripemd-160 a764d5c95a38d64cdd7d9c05654b265b0caba49e

71288891 as geometric shapes

Circle

Radius = n
Diameter 142577782
Circumference 447921312.49633
Area 1.5965906811564E+16

Sphere

Radius = n
Volume 1.5175890538743E+24
Surface area 6.3863627246255E+16
Circumference 447921312.49633

Square

Length = n
Perimeter 285155564
Area 5082105980009881
Diagonal 100817716.49874

Cube

Length = n
Surface area 30492635880059286
Volume 3.6229769925937E+23
Space diagonal 123475981.22724

Equilateral Triangle

Length = n
Perimeter 213866673
Area 2.2006164417067E+15
Altitude 61737990.61362

Triangular Pyramid

Length = n
Surface area 2.2006164417067E+15
Volume 4.2697193325764E+22
Height 33605905.499579