81355963 (number)

81355963 is an odd 8-digits composite number following 81355962 and preceding 81355964. In scientific notation, it is written as 8.1355963 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 74827200 positive integers (up to 81355963) that are relatively prime to 81355963.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred fifty-five thousand nine hundred sixty-three

Notation

Scientific notation 8.1355963 × 10^7
Engineering notation 8.1355963 × 10^6

Prime Factorization of 81355963

Prime Factorization 281 × 13 × 22271

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81355963
Product of the distinct prime numbers

The prime factorization of 81355963 is 281 × 13 × 22271. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81355963)

Multiplication

n×y
n×2 162711926
n×3 244067889
n×4 325423852
n×5 406779815

Division

n÷y
n÷2 40677981.5
n÷3 27118654.333333
n÷3 20338990.75
n÷5 16271192.6

Exponentiation

ny
n2 6618792715657369
n3 5.3847825527969E+23
n4 4.3808417012839E+31
n5 3.5640759535851E+39

Nth Root

y√n
2√n 9019.7540432098
3√n 433.30775661007
4√n 94.972385687682
5√n 38.201276752688

Divisors of 81355963

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 -81355962
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 81355963 can be divided by 8 positive divisors. The sum of these divisors (counting 81355963) is 1, the average is 0.125.

Base conversion 81355963

Base System Value
2 Binary 100110110010110010010111011
3 Ternary 12200002022101211
4 Quaternary 10312112102323
5 Quinary 131311342323
6 Senary 12023423551
8 Octal 466262273
10 Decimal 81355963
12 Duodecimal 232b4bb7
16 Hexadecimal 4d964bb
20 Vigesimal 15899i3
36 Base36 1cfqnv

Cryptographic Hash Functions

md5 9994655073f2695b974c4e32d590b1f4
sha1 6290d90f17c10338b986912ea0cc44cae7a01639
sha256 a6d745969c148d626218b1fa5bc00d6248236b26b0c1190f24e88941160b07f0
sha512 41e7463fbb63df1812a3c52f27d0bf3103eba090c8fbf8c4f3bb6e23ec4da40ff9cc08399e415d7ca4a73658ac3004d3316a245ecf6a1b541a8fc21771465049
ripemd-160 c64072f451daf18ff17cf7bfe898cdef0df20c58

81355963 as geometric shapes

Circle

Radius = n
Diameter 162711926
Circumference 511174591.37305
Area 2.0793550571143E+16

Sphere

Radius = n
Volume 2.255572441206E+24
Surface area 8.3174202284571E+16
Circumference 511174591.37305

Square

Length = n
Perimeter 325423852
Area 6618792715657369
Diagonal 115054706.25452

Cube

Length = n
Surface area 39712756293944214
Volume 5.3847825527969E+23
Space diagonal 140912661.41469

Equilateral Triangle

Length = n
Perimeter 244067889
Area 2.8660213170713E+15
Altitude 70456330.707347

Triangular Pyramid

Length = n
Surface area 2.8660213170713E+15
Volume 6.3460270971628E+22
Height 38351568.751508