81444038 (number)

81444038 is an even 8-digits composite number following 81444037 and preceding 81444039. In scientific notation, it is written as 8.1444038 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 37457760 positive integers (up to 81444038) that are relatively prime to 81444038.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred forty-four thousand thirty-eight

Notation

Scientific notation 8.1444038 × 10^7
Engineering notation 8.1444038 × 10^6

Prime Factorization of 81444038

Prime Factorization 2 × 13 × 293 × 10691

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81444038
Product of the distinct prime numbers

The prime factorization of 81444038 is 2 × 13 × 293 × 10691. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 36, 61, 820, 145, 1493, 140, 64386, 93765, 699870, 231052, 4348166, 5032076, 98783776, 24147933, 355638273, 942763590, 3345045392, 5977718193

Basic calculations (n = 81444038)

Multiplication

n×y
n×2 162888076
n×3 244332114
n×4 325776152
n×5 407220190

Division

n÷y
n÷2 40722019
n÷3 27148012.666667
n÷3 20361009.5
n÷5 16288807.6

Exponentiation

ny
n2 6633131325745444
n3 5.40228999753E+23
n4 4.3998431184586E+31
n5 3.5834099013378E+39

Nth Root

y√n
2√n 9024.6350618737
3√n 433.46406482941
4√n 94.998079253602
5√n 38.209544423037

Divisors of 81444038

1, 2, 13, 26, 293, 586, 3809, 7618, 10691, 21382, 138983, 277966, 3132463, 6264926, 40722019, 81444038

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 -81444037
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 81444038 can be divided by 16 positive divisors. The sum of these divisors (counting 81444038) is 1, the average is 0.0625.

Base conversion 81444038

Base System Value
2 Binary 100110110101011110011000110
3 Ternary 12200020210012212
4 Quaternary 10312223303012
5 Quinary 131322202123
6 Senary 12025343422
8 Octal 466536306
10 Decimal 81444038
12 Duodecimal 23337b72
16 Hexadecimal 4dabcc6
20 Vigesimal 1590a1i
36 Base36 1chmme

Cryptographic Hash Functions

md5 8d577ad3b71d750b72db8c2ad7018eff
sha1 bd14cdcf1cf259568e9f95b17a6dda97e2c13978
sha256 5d42413be0c015e70920ed1c72fd85c30def0e294cfef2b08ac17b636333006e
sha512 6e45fba7dd402afd0dfa5649623bd00b363891828ea2e762bd745aa9a728dc4ccbd668025c7a5b05bc77f9780357c1adb0b7af518521bd3cc578edbc578391fa
ripemd-160 a7e8a4c0cde3b88d2def3393d7d20eda4994f602

81444038 as geometric shapes

Circle

Radius = n
Diameter 162888076
Circumference 511727982.91898
Area 2.0838596643258E+16

Sphere

Radius = n
Volume 2.2629059425069E+24
Surface area 8.3354386573033E+16
Circumference 511727982.91898

Square

Length = n
Perimeter 325776152
Area 6633131325745444
Diagonal 115179263.11403

Cube

Length = n
Surface area 39798787954472664
Volume 5.40228999753E+23
Space diagonal 141065211.78957

Equilateral Triangle

Length = n
Perimeter 244332114
Area 2.872230117367E+15
Altitude 70532605.894785

Triangular Pyramid

Length = n
Surface area 2.872230117367E+15
Volume 6.3666598186496E+22
Height 38393087.704677