81195220 (number)

81195220 is an even 8-digits composite number following 81195219 and preceding 81195221. In scientific notation, it is written as 8.1195220 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 32478080 positive integers (up to 81195220) that are relatively prime to 81195220.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred ninety-five thousand two hundred twenty

Notation

Scientific notation 8.1195220 × 10^7
Engineering notation 8.1195220 × 10^6

Prime Factorization of 81195220

Prime Factorization 2 × 2 × 5 × 4059761

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40597610
Product of the distinct prime numbers

The prime factorization of 81195220 is 2 × 2 × 5 × 4059761. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 89, 9, 39, 340, 4882, 6907, 13824, 80172, 40404, 502906, 9002522, 5520611, 66050023, 86818324, 417742803, 797924833, 2707723220, 6537466917

Basic calculations (n = 81195220)

Multiplication

n×y
n×2 162390440
n×3 243585660
n×4 324780880
n×5 405976100

Division

n÷y
n÷2 40597610
n÷3 27065073.333333
n÷3 20298805
n÷5 16239044

Exponentiation

ny
n2 6592663750848400
n3 5.3529278363616E+23
n4 4.346321533175E+31
n5 3.5290053307689E+39

Nth Root

y√n
2√n 9010.8390286366
3√n 433.02219216459
4√n 94.925439312318
5√n 38.186169202142

Divisors of 81195220

1, 2, 4, 5, 10, 20, 4059761, 8119522, 16239044, 20298805, 40597610, 81195220

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81195219
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81195220 can be divided by 12 positive divisors. The sum of these divisors (counting 81195220) is 1, the average is 0.083333333333333.

Base conversion 81195220

Base System Value
2 Binary 100110101101111000011010100
3 Ternary 12122210010220101
4 Quaternary 10311233003110
5 Quinary 131241221340
6 Senary 12020143444
8 Octal 465570324
10 Decimal 81195220
12 Duodecimal 23237b84
16 Hexadecimal 4d6f0d4
20 Vigesimal 1579810
36 Base36 1ccams

Cryptographic Hash Functions

md5 1aa16ed886453792414394c565053806
sha1 9256b7c951021b7024109ca29b9ecb200fe212ae
sha256 f972387a26bed67145c6a8df772a907d8ac3692c948d427b6a17a841805afe2f
sha512 618ddb3d9ed0a6277658c42cc9212922bee08018b986b5f9c7fbde293ab66913b0456ff6b8eb92f4ca192cbea15a353e0d633230620d480c68e327e83f06e20a
ripemd-160 e5062be73e387963563f4f15d600e440e94923d9

81195220 as geometric shapes

Circle

Radius = n
Diameter 162390440
Circumference 510164613.31721
Area 2.0711464007253E+16

Sphere

Radius = n
Volume 2.242229168788E+24
Surface area 8.2845856029012E+16
Circumference 510164613.31721

Square

Length = n
Perimeter 324780880
Area 6592663750848400
Diagonal 114827381.32387

Cube

Length = n
Surface area 39555982505090400
Volume 5.3529278363616E+23
Space diagonal 140634246.37173

Equilateral Triangle

Length = n
Perimeter 243585660
Area 2.8547071434218E+15
Altitude 70317123.185866

Triangular Pyramid

Length = n
Surface area 2.8547071434218E+15
Volume 6.3084859538225E+22
Height 38275793.774622