81272862 (number)

81272862 is an even 8-digits composite number following 81272861 and preceding 81272863. In scientific notation, it is written as 8.1272862 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 24213600 positive integers (up to 81272862) that are relatively prime to 81272862.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1272862 × 10^7
Engineering notation 8.1272862 × 10^6

Prime Factorization of 81272862

Prime Factorization 2 × 671 × 3 × 9 × 2243

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81272862
Product of the distinct prime numbers

The prime factorization of 81272862 is 2 × 671 × 3 × 9 × 2243. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 4, 79, 36, 520, 471, 4688, 650, 32504, 69853, 521858, 465782, 9721859, 6011761, 41896374, 86001896, 998985223, 128425829, 5331812848, 3219960068

Basic calculations (n = 81272862)

Multiplication

n×y
n×2 162545724
n×3 243818586
n×4 325091448
n×5 406364310

Division

n÷y
n÷2 40636431
n÷3 27090954
n÷3 20318215.5
n÷5 16254572.4

Exponentiation

ny
n2 6605278097671044
n3 5.3682985530364E+23
n4 4.3629698747573E+31
n5 3.5459104854131E+39

Nth Root

y√n
2√n 9015.1462550532
3√n 433.16017236532
4√n 94.948124020716
5√n 38.193469427839

Divisors of 81272862

1, 2, 3, 6, 9, 18, 27, 54, 671, 1342, 2013, 2243, 4026, 4486, 6039, 6729, 12078, 13458, 18117, 20187, 36234, 40374, 60561, 121122, 1505053, 3010106, 4515159, 9030318, 13545477, 27090954, 40636431, 81272862

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81272861
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81272862 can be divided by 32 positive divisors. The sum of these divisors (counting 81272862) is 1, the average is 0.03125.

Base conversion 81272862

Base System Value
2 Binary 100110110000010000000011110
3 Ternary 12122221002102000
4 Quaternary 10312002000132
5 Quinary 131301212422
6 Senary 12021543130
8 Octal 466020036
10 Decimal 81272862
12 Duodecimal 23274aa6
16 Hexadecimal 4d8201e
20 Vigesimal 157j232
36 Base36 1cdyji

Cryptographic Hash Functions

md5 07d4b6c4c25bb031bf595664dcde97f0
sha1 90f51c31153e0e29ccb9f637a07e76eb5911b219
sha256 c732cafc7ea3a2bbbde9fc6b7d29f4cdfd3bb11b19ff7d59a6b573a029a6494b
sha512 3ad14c191e993bcb86cedd2b7245f8dad023bb87b0f5d616cf512a46130979335dc00af1867a2f3b64846948aaff8c0103150f051a7ce2661d534ec4ea7d5080
ripemd-160 b6afc8db3f232323f5e3d4249310431c532b8393

81272862 as geometric shapes

Circle

Radius = n
Diameter 162545724
Circumference 510652452.39083
Area 2.0751093146561E+16

Sphere

Radius = n
Volume 2.2486676395328E+24
Surface area 8.3004372586244E+16
Circumference 510652452.39083

Square

Length = n
Perimeter 325091448
Area 6605278097671044
Diagonal 114937183.69328

Cube

Length = n
Surface area 39631668586026264
Volume 5.3682985530364E+23
Space diagonal 140768726.26053

Equilateral Triangle

Length = n
Perimeter 243818586
Area 2.860169315822E+15
Altitude 70384363.130267

Triangular Pyramid

Length = n
Surface area 2.860169315822E+15
Volume 6.3266005171433E+22
Height 38312394.564426