81337897 (number)

81337897 is an odd 8-digits composite number following 81337896 and preceding 81337898. In scientific notation, it is written as 8.1337897 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 79446276 positive integers (up to 81337897) that are relatively prime to 81337897.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty-seven thousand eight hundred ninety-seven

Notation

Scientific notation 8.1337897 × 10^7
Engineering notation 8.1337897 × 10^6

Prime Factorization of 81337897

Prime Factorization 43 × 1891579

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81337897
Product of the distinct prime numbers

The prime factorization of 81337897 is 43 × 1891579. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81337897)

Multiplication

n×y
n×2 162675794
n×3 244013691
n×4 325351588
n×5 406689485

Division

n÷y
n÷2 40668948.5
n÷3 27112632.333333
n÷3 20334474.25
n÷5 16267579.4

Exponentiation

ny
n2 6615853488382609
n3 5.3811960960516E+23
n4 4.3769517379744E+31
n5 3.5601204963734E+39

Nth Root

y√n
2√n 9018.7525190572
3√n 433.27568062713
4√n 94.967112828901
5√n 38.199579997956

Divisors of 81337897

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 -81337896
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 81337897 can be divided by 4 positive divisors. The sum of these divisors (counting 81337897) is 1, the average is 0.25.

Base conversion 81337897

Base System Value
2 Binary 100110110010001111000101001
3 Ternary 12200001101121201
4 Quaternary 10312101320221
5 Quinary 131310303042
6 Senary 12023204201
8 Octal 466217051
10 Decimal 81337897
12 Duodecimal 232a6661
16 Hexadecimal 4d91e29
20 Vigesimal 15874eh
36 Base36 1cfcq1

Cryptographic Hash Functions

md5 39bee7da8df884bfe08ea8558f9e74a3
sha1 bb256c9ab04bc72587f150535877623e8e3082d4
sha256 700c352862a901017ab720d831fe26d7200130d6ed2ec6b6f8701ac154e14c14
sha512 f2d3fa5d9fad623cdaef02203b7013d033a6d901bb79a658606dc724bfd5cf40978b39dd7deb19fa4952cd16599ba1b25f12e9259df9ba6594108af5f7fa125c
ripemd-160 248cf718ea8a090207472775d5fadc36a652f317

81337897 as geometric shapes

Circle

Radius = n
Diameter 162675794
Circumference 511061079.34729
Area 2.0784316716329E+16

Sphere

Radius = n
Volume 2.2540701497176E+24
Surface area 8.3137266865317E+16
Circumference 511061079.34729

Square

Length = n
Perimeter 325351588
Area 6615853488382609
Diagonal 115029157.07231

Cube

Length = n
Surface area 39695120930295654
Volume 5.3811960960516E+23
Space diagonal 140881370.1848

Equilateral Triangle

Length = n
Perimeter 244013691
Area 2.8647485943276E+15
Altitude 70440685.092402

Triangular Pyramid

Length = n
Surface area 2.8647485943276E+15
Volume 6.3418004173544E+22
Height 38343052.357435