81343977 (number)

81343977 is an odd 8-digits composite number following 81343976 and preceding 81343978. In scientific notation, it is written as 8.1343977 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 45506880 positive integers (up to 81343977) that are relatively prime to 81343977.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-three thousand nine hundred seventy-seven

Notation

Scientific notation 8.1343977 × 10^7
Engineering notation 8.1343977 × 10^6

Prime Factorization of 81343977

Prime Factorization 3 × 11 × 13 × 189613

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81343977
Product of the distinct prime numbers

The prime factorization of 81343977 is 3 × 11 × 13 × 189613. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 60, 45, 953, 108, 2030, 5823, 6553, 75900, 182072, 553935, 3188480, 4924139, 22041858, 35573577, 874932187, 217804452, 8713102884, 5917612252

Basic calculations (n = 81343977)

Multiplication

n×y
n×2 162687954
n×3 244031931
n×4 325375908
n×5 406719885

Division

n÷y
n÷2 40671988.5
n÷3 27114659
n÷3 20335994.25
n÷5 16268795.4

Exponentiation

ny
n2 6616842594176529
n3 5.3824029179332E+23
n4 4.3782605916109E+31
n5 3.56145128864E+39

Nth Root

y√n
2√n 9019.0895882012
3√n 433.28647613
4√n 94.9688874748
5√n 38.20015106387

Divisors of 81343977

1, 3, 11, 13, 33, 39, 143, 429, 189613, 568839, 2085743, 2464969, 6257229, 7394907, 27114659, 81343977

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81343976
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81343977 can be divided by 16 positive divisors. The sum of these divisors (counting 81343977) is 1, the average is 0.0625.

Base conversion 81343977

Base System Value
2 Binary 100110110010011010111101001
3 Ternary 12200001200221220
4 Quaternary 10312103113221
5 Quinary 131311001402
6 Senary 12023252253
8 Octal 466232751
10 Decimal 81343977
12 Duodecimal 232aa089
16 Hexadecimal 4d935e9
20 Vigesimal 1587jih
36 Base36 1cfhex

Cryptographic Hash Functions

md5 39b746fe73dac0e130b8384a21ce7d3a
sha1 6f6a6416d2ca5a575c05bb0d8c77b09b4d2a33f5
sha256 2870053c8b860ade9359b7b362102275ddca734ae26a72820522850939b87c78
sha512 75a50478fa77c8f80f2902c7f7356c3b688496eea8f7baf5495598e8cd227978af93ddd1bb2c2818d608b5203a1e379f340afbb391ee6f28ba164b3c06edd315
ripemd-160 c86d2216738e0d8883772fa923e67f12dc1ab176

81343977 as geometric shapes

Circle

Radius = n
Diameter 162687954
Circumference 511099281.11395
Area 2.0787424083825E+16

Sphere

Radius = n
Volume 2.2545756620852E+24
Surface area 8.31496963353E+16
Circumference 511099281.11395

Square

Length = n
Perimeter 325375908
Area 6616842594176529
Diagonal 115037755.49077

Cube

Length = n
Surface area 39701055565059174
Volume 5.3824029179332E+23
Space diagonal 140891901.05371

Equilateral Triangle

Length = n
Perimeter 244031931
Area 2.8651768896999E+15
Altitude 70445950.526857

Triangular Pyramid

Length = n
Surface area 2.8651768896999E+15
Volume 6.3432226705813E+22
Height 38345918.496922