81293351 (number)

81293351 is an odd 8-digits composite number following 81293350 and preceding 81293352. In scientific notation, it is written as 8.1293351 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 78320032 positive integers (up to 81293351) that are relatively prime to 81293351.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred ninety-three thousand three hundred fifty-one

Notation

Scientific notation 8.1293351 × 10^7
Engineering notation 8.1293351 × 10^6

Prime Factorization of 81293351

Prime Factorization 29 × 503 × 5573

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81293351
Product of the distinct prime numbers

The prime factorization of 81293351 is 29 × 503 × 5573. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81293351)

Multiplication

n×y
n×2 162586702
n×3 243880053
n×4 325173404
n×5 406466755

Division

n÷y
n÷2 40646675.5
n÷3 27097783.666667
n÷3 20323337.75
n÷5 16258670.2

Exponentiation

ny
n2 6608608916809201
n3 5.372359642959E+23
n4 4.367371181533E+31
n5 3.5503823840765E+39

Nth Root

y√n
2√n 9016.2825488113
3√n 433.19656939813
4√n 94.954107593149
5√n 38.195394958884

Divisors of 81293351

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 -81293350
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 81293351 can be divided by 8 positive divisors. The sum of these divisors (counting 81293351) is 1, the average is 0.125.

Base conversion 81293351

Base System Value
2 Binary 100110110000111000000100111
3 Ternary 12122222010111212
4 Quaternary 10312013000213
5 Quinary 131302341401
6 Senary 12022222035
8 Octal 466070047
10 Decimal 81293351
12 Duodecimal 2328491b
16 Hexadecimal 4d87027
20 Vigesimal 1581d7b
36 Base36 1ceecn

Cryptographic Hash Functions

md5 623363cfa56bba5412b7004ff585d39c
sha1 d0a5707b54f7908e57471a06d18fca03e37a261a
sha256 117a9e1bcd4fb769fbdfa4472e8b1f40a734f03c826ece37391704bb4bd85d2d
sha512 9017dfe68a53fd9b391e8ae7e00a83c587167b3cf5053ef0cfc7db11dee63d79b86c69d1dd562fb2366947dfeec11e8f3195f9e5a703b98926eb48ab2d9ecc03
ripemd-160 cbebdaf63eae8022a9ff413bcc283b5679a8a06c

81293351 as geometric shapes

Circle

Radius = n
Diameter 162586702
Circumference 510781188.57459
Area 2.0761557223496E+16

Sphere

Radius = n
Volume 2.2503687449016E+24
Surface area 8.3046228893983E+16
Circumference 510781188.57459

Square

Length = n
Perimeter 325173404
Area 6608608916809201
Diagonal 114966159.51496

Cube

Length = n
Surface area 39651653500855206
Volume 5.372359642959E+23
Space diagonal 140804214.24953

Equilateral Triangle

Length = n
Perimeter 243880053
Area 2.8616116028166E+15
Altitude 70402107.124765

Triangular Pyramid

Length = n
Surface area 2.8616116028166E+15
Volume 6.3313865575154E+22
Height 38322053.171652