81802012 (number)

81802012 is an even 8-digits composite number following 81802011 and preceding 81802013. In scientific notation, it is written as 8.1802012 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors. There are 40664240 positive integers (up to 81802012) that are relatively prime to 81802012.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred two thousand twelve

Notation

Scientific notation 8.1802012 × 10^7
Engineering notation 8.1802012 × 10^6

Prime Factorization of 81802012

Prime Factorization 2 × 2 × 173 × 118211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40901006
Product of the distinct prime numbers

The prime factorization of 81802012 is 2 × 2 × 173 × 118211. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 1, 73, 63, 113, 4315, 9386, 780, 45184, 499064, 254968, 4228751, 7475619, 73270113, 6243804, 88915573, 227743420, 2928016285, 7913745304

Basic calculations (n = 81802012)

Multiplication

n×y
n×2 163604024
n×3 245406036
n×4 327208048
n×5 409010060

Division

n÷y
n÷2 40901006
n÷3 27267337.333333
n÷3 20450503
n÷5 16360402.4

Exponentiation

ny
n2 6691569167248144
n3 5.4738382131806E+23
n4 4.4777097920066E+31
n5 3.6628567013824E+39

Nth Root

y√n
2√n 9044.4464728362
3√n 434.09821019938
4√n 95.102294782178
5√n 38.243074290184

Divisors of 81802012

1, 2, 4, 173, 346, 692, 118211, 236422, 472844, 20450503, 40901006, 81802012

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 -81802011
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 81802012 can be divided by 12 positive divisors. The sum of these divisors (counting 81802012) is 1, the average is 0.083333333333333.

Base conversion 81802012

Base System Value
2 Binary 100111000000011001100011100
3 Ternary 12200220222021011
4 Quaternary 10320003030130
5 Quinary 131420131022
6 Senary 12041145004
8 Octal 470031434
10 Decimal 81802012
12 Duodecimal 2348b164
16 Hexadecimal 4e0331c
20 Vigesimal 15b550c
36 Base36 1cpau4

Cryptographic Hash Functions

md5 27ab82aa6b18696e730aafec91c3bce7
sha1 2dc21d8eba52434c5acb5b187c6a24d4122fbd71
sha256 93d9fa1cfae33678757f74527769f434b2c0cadb15f69f0a7a8f0ed109eac7d4
sha512 7caaea455642528ad08782992d9ea857f1be443c367007097cab8c1518ef882626be823742eac1b7d5b7c011fee5b634699d617de6e6c2c9e994765f9a92f6fa
ripemd-160 56ae1f6ad00d584393b7b6e75a32bbe729797f6e

81802012 as geometric shapes

Circle

Radius = n
Diameter 163604024
Circumference 513977199.89613
Area 2.1022184536815E+16

Sphere

Radius = n
Volume 2.2928759889956E+24
Surface area 8.4088738147259E+16
Circumference 513977199.89613

Square

Length = n
Perimeter 327208048
Area 6691569167248144
Diagonal 115685514.79981

Cube

Length = n
Surface area 40149415003488864
Volume 5.4738382131806E+23
Space diagonal 141685240.94536

Equilateral Triangle

Length = n
Perimeter 245406036
Area 2.8975344450088E+15
Altitude 70842620.472679

Triangular Pyramid

Length = n
Surface area 2.8975344450088E+15
Volume 6.4509801994301E+22
Height 38561838.266602