81738265 (number)

81738265 is an odd 8-digits composite number following 81738264 and preceding 81738266. In scientific notation, it is written as 8.1738265 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 55972800 positive integers (up to 81738265) that are relatively prime to 81738265.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand two hundred sixty-five

Notation

Scientific notation 8.1738265 × 10^7
Engineering notation 8.1738265 × 10^6

Prime Factorization of 81738265

Prime Factorization 7 × 5 × 1151 × 2029

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81738265
Product of the distinct prime numbers

The prime factorization of 81738265 is 7 × 5 × 1151 × 2029. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 28, 25, 511, 276, 9759, 9862, 13797, 50974, 813896, 85623, 630181, 3022649, 16876498, 96305926, 28876591, 755208890, 3622546152, 6063541650

Basic calculations (n = 81738265)

Multiplication

n×y
n×2 163476530
n×3 245214795
n×4 326953060
n×5 408691325

Division

n÷y
n÷2 40869132.5
n÷3 27246088.333333
n÷3 20434566.25
n÷5 16347653

Exponentiation

ny
n2 6681143965210225
n3 5.461051159315E+23
n4 4.4637684683865E+31
n5 3.6486068996762E+39

Nth Root

y√n
2√n 9040.9216897394
3√n 433.98541896407
4√n 95.083761440844
5√n 38.2371119881

Divisors of 81738265

1, 5, 7, 35, 1151, 2029, 5755, 8057, 10145, 14203, 40285, 71015, 2335379, 11676895, 16347653, 81738265

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 -81738264
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 81738265 can be divided by 16 positive divisors. The sum of these divisors (counting 81738265) is 1, the average is 0.0625.

Base conversion 81738265

Base System Value
2 Binary 100110111110011101000011001
3 Ternary 12200210201211011
4 Quaternary 10313303220121
5 Quinary 131411111030
6 Senary 12035533521
8 Octal 467635031
10 Decimal 81738265
12 Duodecimal 2345a2a1
16 Hexadecimal 4df3a19
20 Vigesimal 15ah5d5
36 Base36 1cnxnd

Cryptographic Hash Functions

md5 03dcd0203d24cecfed9dcec8af627840
sha1 fb5c32f8a44259dab508111ba5633a6a8ed59daa
sha256 0f8cde9b5799cedfe5ab01ac10bb913b484c94507f24f8a96ff5160b7bb1398f
sha512 876afdd4449c7fce80500c48155fc8f4016073264df494afa5968c292002805f24c74f5a5f58df3a4f2a39fec9a48be70b2f914fb1af16e4d31ddc5a0a6c39fe
ripemd-160 c3c3b310fac237f01decc0fccf9fd4336821946a

81738265 as geometric shapes

Circle

Radius = n
Diameter 163476530
Circumference 513576665.68235
Area 2.098943279868E+16

Sphere

Radius = n
Volume 2.2875197603976E+24
Surface area 8.3957731194721E+16
Circumference 513576665.68235

Square

Length = n
Perimeter 326953060
Area 6681143965210225
Diagonal 115595362.92785

Cube

Length = n
Surface area 40086863791261350
Volume 5.461051159315E+23
Space diagonal 141574827.90253

Equilateral Triangle

Length = n
Perimeter 245214795
Area 2.8930202001066E+15
Altitude 70787413.951264

Triangular Pyramid

Length = n
Surface area 2.8930202001066E+15
Volume 6.4359105119305E+22
Height 38531787.642615