81572013 (number)

81572013 is an odd 8-digits composite number following 81572012 and preceding 81572014. In scientific notation, it is written as 8.1572013 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 52697952 positive integers (up to 81572013) that are relatively prime to 81572013.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred seventy-two thousand thirteen

Notation

Scientific notation 8.1572013 × 10^7
Engineering notation 8.1572013 × 10^6

Prime Factorization of 81572013

Prime Factorization 9 × 37 × 487 × 503

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81572013
Product of the distinct prime numbers

The prime factorization of 81572013 is 9 × 37 × 487 × 503. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 73, 34, 832, 84, 2213, 7855, 68375, 21064, 85211, 757478, 3768314, 6236021, 88713496, 66924551, 421147214, 949649169, 8210494441, 1680225615

Basic calculations (n = 81572013)

Multiplication

n×y
n×2 163144026
n×3 244716039
n×4 326288052
n×5 407860065

Division

n÷y
n÷2 40786006.5
n÷3 27190671
n÷3 20393003.25
n÷5 16314402.6

Exponentiation

ny
n2 6653993304872169
n3 5.4277962836695E+23
n4 4.4275626901284E+31
n5 3.6116520131747E+39

Nth Root

y√n
2√n 9031.7225931712
3√n 433.69098356308
4√n 95.035375482876
5√n 38.221544800315

Divisors of 81572013

1, 9, 37, 333, 487, 503, 4383, 4527, 18019, 18611, 162171, 167499, 244961, 2204649, 9063557, 81572013

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 -81572012
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 81572013 can be divided by 16 positive divisors. The sum of these divisors (counting 81572013) is 1, the average is 0.0625.

Base conversion 81572013

Base System Value
2 Binary 100110111001011000010101101
3 Ternary 12200111021202200
4 Quaternary 10313023002231
5 Quinary 131340301023
6 Senary 12032212113
8 Octal 467130255
10 Decimal 81572013
12 Duodecimal 2339a039
16 Hexadecimal 4dcb0ad
20 Vigesimal 159ga0d
36 Base36 1ckdd9

Cryptographic Hash Functions

md5 16823e301a2cf77cc957a5f56311844a
sha1 963dfbea4df37dbba1194a90fce38bf1f8a822de
sha256 397d1eac450e01e61097b7be0d8870178345ea7215381c5b77ad77eb0627222a
sha512 96de7e6dc2745196dcc0be76e9db1db745ac813e5d1a275d863a45ef2444c5d3058750c4164f00e9c3719fc9426e228f62ea0f991223f1197dcdbd6d6b6706f9
ripemd-160 e1bb96eacc64452ec546cda7d245d3dfb83eba2a

81572013 as geometric shapes

Circle

Radius = n
Diameter 163144026
Circumference 512532073.55866
Area 2.0904136483622E+16

Sphere

Radius = n
Volume 2.2735899906611E+24
Surface area 8.3616545934488E+16
Circumference 512532073.55866

Square

Length = n
Perimeter 326288052
Area 6653993304872169
Diagonal 115360247.09467

Cube

Length = n
Surface area 39923959829233014
Volume 5.4277962836695E+23
Space diagonal 141286870.99167

Equilateral Triangle

Length = n
Perimeter 244716039
Area 2.8812636193154E+15
Altitude 70643435.495834

Triangular Pyramid

Length = n
Surface area 2.8812636193154E+15
Volume 6.3967192651364E+22
Height 38453415.698225