81421106 (number)

81421106 is an even 8-digits composite number following 81421105 and preceding 81421107. In scientific notation, it is written as 8.1421106 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 37536384 positive integers (up to 81421106) that are relatively prime to 81421106.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred twenty-one thousand one hundred six

Notation

Scientific notation 8.1421106 × 10^7
Engineering notation 8.1421106 × 10^6

Prime Factorization of 81421106

Prime Factorization 2 × 13 × 1913 × 1637

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81421106
Product of the distinct prime numbers

The prime factorization of 81421106 is 2 × 13 × 1913 × 1637. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81421106)

Multiplication

n×y
n×2 162842212
n×3 244263318
n×4 325684424
n×5 407105530

Division

n÷y
n÷2 40710553
n÷3 27140368.666667
n÷3 20355276.5
n÷5 16284221.2

Exponentiation

ny
n2 6629396502263236
n3 5.397727953268E+23
n4 4.394889798422E+31
n5 3.5783678813564E+39

Nth Root

y√n
2√n 9023.3644501372
3√n 433.42337786909
4√n 94.99139145279
5√n 38.207392466928

Divisors of 81421106

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 -81421105
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 81421106 can be divided by 16 positive divisors. The sum of these divisors (counting 81421106) is 1, the average is 0.0625.

Base conversion 81421106

Base System Value
2 Binary 100110110100110001100110010
3 Ternary 12200012121202112
4 Quaternary 10312212030302
5 Quinary 131320433411
6 Senary 12025045322
8 Octal 466461462
10 Decimal 81421106
12 Duodecimal 23326842
16 Hexadecimal 4da6332
20 Vigesimal 158hcf6
36 Base36 1ch4xe

Cryptographic Hash Functions

md5 4d1df76ed9ce3a8ee9e40fb278b45b35
sha1 7f5ca7646a963c77b1ef8aea9f7f65f55288cafd
sha256 5a477676a368f3f1464afc236bcefcd85e2b37c3c98c2810499932b63a815a2b
sha512 b1ed219c8399760795533495f3eac8d4dfb2a706aacde241c489db3f0c94e8d7b1a807838dabc8e18724facf67559516bb664a0e8c0bbfd592bb08f867c25f3d
ripemd-160 300ebd09d8524a777273c1de719bb7637794ad5e

81421106 as geometric shapes

Circle

Radius = n
Diameter 162842212
Circumference 511583896.91351
Area 2.0826863349244E+16

Sphere

Radius = n
Volume 2.2609949978751E+24
Surface area 8.3307453396976E+16
Circumference 511583896.91351

Square

Length = n
Perimeter 325684424
Area 6629396502263236
Diagonal 115146832.36862

Cube

Length = n
Surface area 39776379013579416
Volume 5.397727953268E+23
Space diagonal 141025492.40045

Equilateral Triangle

Length = n
Perimeter 244263318
Area 2.8706128913598E+15
Altitude 70512746.200226

Triangular Pyramid

Length = n
Surface area 2.8706128913598E+15
Volume 6.3612833979267E+22
Height 38382277.456206