81400513 (number)

81400513 is an odd 8-digits composite number following 81400512 and preceding 81400514. In scientific notation, it is written as 8.1400513 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 78526800 positive integers (up to 81400513) that are relatively prime to 81400513.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred thousand five hundred thirteen

Notation

Scientific notation 8.1400513 × 10^7
Engineering notation 8.1400513 × 10^6

Prime Factorization of 81400513

Prime Factorization 31 × 331 × 7933

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81400513
Product of the distinct prime numbers

The prime factorization of 81400513 is 31 × 331 × 7933. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 5, 81, 910, 663, 4542, 2648, 96862, 35428, 817598, 443250, 1804010, 8253240, 97170001, 56817694, 761674150, 306806366, 1862349618, 7831686401

Basic calculations (n = 81400513)

Multiplication

n×y
n×2 162801026
n×3 244201539
n×4 325602052
n×5 407002565

Division

n÷y
n÷2 40700256.5
n÷3 27133504.333333
n÷3 20350128.25
n÷5 16280102.6

Exponentiation

ny
n2 6626043516663169
n3 5.3936334141671E+23
n4 4.3904452684714E+31
n5 3.5738449715199E+39

Nth Root

y√n
2√n 9022.2232847564
3√n 433.38683435418
4√n 94.985384584979
5√n 38.205459591085

Divisors of 81400513

1, 31, 331, 7933, 10261, 245923, 2625823, 81400513

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 -81400512
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 81400513 can be divided by 8 positive divisors. The sum of these divisors (counting 81400513) is 1, the average is 0.125.

Base conversion 81400513

Base System Value
2 Binary 100110110100001001011000001
3 Ternary 12200011120111211
4 Quaternary 10312201023001
5 Quinary 131314304023
6 Senary 12024410121
8 Octal 466411301
10 Decimal 81400513
12 Duodecimal 23316941
16 Hexadecimal 4da12c1
20 Vigesimal 158f15d
36 Base36 1cgp1d

Cryptographic Hash Functions

md5 13926692928d6d413fe802d159fe2c1e
sha1 a2fedeade577822e1c8a7325b333c4b6ba4b973d
sha256 02a508dd67548f88d589416b3ffab1056ef45f32ee21916af6b7b57a225a93b2
sha512 c30c403d1a303da867f97e03532ec7d8b1cee06dee8609c44018d6632b71956fe9dc03649ee5773767f9f5c10c99a6c8d7b488f51d100f40e207b7a1b5cef03e
ripemd-160 18707fe9e0a217f849f51a4c973f2471a2687251

81400513 as geometric shapes

Circle

Radius = n
Diameter 162801026
Circumference 511454507.27848
Area 2.0816329634315E+16

Sphere

Radius = n
Volume 2.2592798813472E+24
Surface area 8.3265318537261E+16
Circumference 511454507.27848

Square

Length = n
Perimeter 325602052
Area 6626043516663169
Diagonal 115117709.46873

Cube

Length = n
Surface area 39756261099979014
Volume 5.3936334141671E+23
Space diagonal 140989824.27817

Equilateral Triangle

Length = n
Perimeter 244201539
Area 2.8691610060057E+15
Altitude 70494912.139085

Triangular Pyramid

Length = n
Surface area 2.8691610060057E+15
Volume 6.3564579373198E+22
Height 38372569.822909