81368051 (number)

81368051 is an odd 8-digits composite number following 81368050 and preceding 81368052. In scientific notation, it is written as 8.1368051 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 76744800 positive integers (up to 81368051) that are relatively prime to 81368051.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred sixty-eight thousand fifty-one

Notation

Scientific notation 8.1368051 × 10^7
Engineering notation 8.1368051 × 10^6

Prime Factorization of 81368051

Prime Factorization 19 × 229 × 18701

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81368051
Product of the distinct prime numbers

The prime factorization of 81368051 is 19 × 229 × 18701. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81368051)

Multiplication

n×y
n×2 162736102
n×3 244104153
n×4 325472204
n×5 406840255

Division

n÷y
n÷2 40684025.5
n÷3 27122683.666667
n÷3 20342012.75
n÷5 16273610.2

Exponentiation

ny
n2 6620759723538601
n3 5.3871831484363E+23
n4 4.3834459316831E+31
n5 3.5667245212493E+39

Nth Root

y√n
2√n 9020.4241031118
3√n 433.3292160687
4√n 94.97591327864
5√n 38.20241188667

Divisors of 81368051

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 -81368050
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 81368051 can be divided by 8 positive divisors. The sum of these divisors (counting 81368051) is 1, the average is 0.125.

Base conversion 81368051

Base System Value
2 Binary 100110110011001001111110011
3 Ternary 12200002220222112
4 Quaternary 10312121033303
5 Quinary 131312234201
6 Senary 12023555535
8 Octal 466311763
10 Decimal 81368051
12 Duodecimal 232bbbab
16 Hexadecimal 4d993f3
20 Vigesimal 158b02b
36 Base36 1cfzzn

Cryptographic Hash Functions

md5 6780632202c40840fb8589c6f5fd96c5
sha1 be9b542a8558a8ae3d6694ba3485d72893c1dd46
sha256 89f42297523d543add762440446b915db60439b0fd9382e30487bddd8e5e1614
sha512 44d1977e5b2fffe5bd4278e38cb2638aaa29e460839a5ca5b9c4cbc5b01246409bdad914eaf99e2693d262bb26c0836f3ee8fd1b9d323071c62255a8c7ba2b62
ripemd-160 c819dcf8a7dcc86a5e8d6dd761fe17fbf66ae10d

81368051 as geometric shapes

Circle

Radius = n
Diameter 162736102
Circumference 511250542.51704
Area 2.0799730108652E+16

Sphere

Radius = n
Volume 2.256578000356E+24
Surface area 8.3198920434608E+16
Circumference 511250542.51704

Square

Length = n
Perimeter 325472204
Area 6620759723538601
Diagonal 115071801.26807

Cube

Length = n
Surface area 39724558341231606
Volume 5.3871831484363E+23
Space diagonal 140933598.44486

Equilateral Triangle

Length = n
Perimeter 244104153
Area 2.8668730564686E+15
Altitude 70466799.222428

Triangular Pyramid

Length = n
Surface area 2.8668730564686E+15
Volume 6.3488562262554E+22
Height 38357267.089355