81489256 (number)

81489256 is an even 8-digits composite number following 81489255 and preceding 81489257. In scientific notation, it is written as 8.1489256 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors. There are 40170480 positive integers (up to 81489256) that are relatively prime to 81489256.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand two hundred fifty-six

Notation

Scientific notation 8.1489256 × 10^7
Engineering notation 8.1489256 × 10^6

Prime Factorization of 81489256

Prime Factorization 2 × 2 × 2 × 71 × 143467

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20372314
Product of the distinct prime numbers

The prime factorization of 81489256 is 2 × 2 × 2 × 71 × 143467. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 78, 85, 855, 168, 4917, 1173, 85740, 52725, 503943, 838929, 5001776, 7696749, 66697727, 7547760, 994868589, 236558527, 3135856443, 2213766939

Basic calculations (n = 81489256)

Multiplication

n×y
n×2 162978512
n×3 244467768
n×4 325957024
n×5 407446280

Division

n÷y
n÷2 40744628
n÷3 27163085.333333
n÷3 20372314
n÷5 16297851.2

Exponentiation

ny
n2 6640498843433536
n3 5.4112931022026E+23
n4 4.4096224889642E+31
n5 3.5933685586656E+39

Nth Root

y√n
2√n 9027.1399678968
3√n 433.54427021658
4√n 95.011262321352
5√n 38.213786294257

Divisors of 81489256

1, 2, 4, 8, 71, 142, 284, 568, 143467, 286934, 573868, 1147736, 10186157, 20372314, 40744628, 81489256

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 -81489255
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 81489256 can be divided by 16 positive divisors. The sum of these divisors (counting 81489256) is 1, the average is 0.0625.

Base conversion 81489256

Base System Value
2 Binary 100110110110110110101101000
3 Ternary 12200100002020121
4 Quaternary 10312312311220
5 Quinary 131330124011
6 Senary 12030333024
8 Octal 466666550
10 Decimal 81489256
12 Duodecimal 2335a174
16 Hexadecimal 4db6d68
20 Vigesimal 159632g
36 Base36 1cilig

Cryptographic Hash Functions

md5 a3fa33bce91f68c7c64c123007db9c6e
sha1 886cfd6c8ec164beac95c41eb3d5794fd8d160fe
sha256 038bd86a3b3e1a025d5eac6f2b322806f488cbf144086e77e8004be18a122260
sha512 57143f823a73ea599d86ad1f0c06b48f1cdf2e71cd6dd5df10ef3ff223031495a5761859591ec47e75a077634bac0d8b062e68c9f95d82b8595c2843b735c02e
ripemd-160 8c80888a6b4e21b3ca3aba857c873caea5a41f45

81489256 as geometric shapes

Circle

Radius = n
Diameter 162978512
Circumference 512012095.9922
Area 2.0861742382702E+16

Sphere

Radius = n
Volume 2.2666771541734E+24
Surface area 8.3446969530809E+16
Circumference 512012095.9922

Square

Length = n
Perimeter 325957024
Area 6640498843433536
Diagonal 115243211.02289

Cube

Length = n
Surface area 39842993060601216
Volume 5.4112931022026E+23
Space diagonal 141143531.66299

Equilateral Triangle

Length = n
Perimeter 244467768
Area 2.8754203461073E+15
Altitude 70571765.831493

Triangular Pyramid

Length = n
Surface area 2.8754203461073E+15
Volume 6.3772700792591E+22
Height 38414403.674298