81890003 (number)

81890003 is an odd 8-digits composite number following 81890002 and preceding 81890004. In scientific notation, it is written as 8.1890003 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 68843520 positive integers (up to 81890003) that are relatively prime to 81890003.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred ninety thousand three

Notation

Scientific notation 8.1890003 × 10^7
Engineering notation 8.1890003 × 10^6

Prime Factorization of 81890003

Prime Factorization 221 × 31 × 11953

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81890003
Product of the distinct prime numbers

The prime factorization of 81890003 is 221 × 31 × 11953. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81890003)

Multiplication

n×y
n×2 163780006
n×3 245670009
n×4 327560012
n×5 409450015

Division

n÷y
n÷2 40945001.5
n÷3 27296667.666667
n÷3 20472500.75
n÷5 16378000.6

Exponentiation

ny
n2 6705972591340009
n3 5.4915211562275E+23
n4 4.4970068395803E+31
n5 3.6825990358425E+39

Nth Root

y√n
2√n 9049.3095316715
3√n 434.25380151601
4√n 95.127858862015
5√n 38.251298047389

Divisors of 81890003

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 -81890002
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 81890003 can be divided by 8 positive divisors. The sum of these divisors (counting 81890003) is 1, the average is 0.125.

Base conversion 81890003

Base System Value
2 Binary 100111000011000101011010011
3 Ternary 12201002102222002
4 Quaternary 10320120223103
5 Quinary 131430440003
6 Senary 12043104215
8 Octal 470305323
10 Decimal 81890003
12 Duodecimal 2351206b
16 Hexadecimal 4e18ad3
20 Vigesimal 15bg503
36 Base36 1cr6qb

Cryptographic Hash Functions

md5 c9b689bbd274707b724655bdec93092c
sha1 ab1edb3ee6c50e64b229cab12b5ab58e8d828c23
sha256 964cc85d5376372c5e2eb1e777496641290b94b0be852065bed1e4ff85dcd179
sha512 b3b892d914560a059a8ec4fea82e5493064976e6d1b15300b7059439c61c4a782a762ccbb3c8cd0de378b7f19e346b3072ef6f03cc5c60eca9e9ba7b7dace6ce
ripemd-160 1544e6d57725bbbc67b1e23b6d29104250bcb2bf

81890003 as geometric shapes

Circle

Radius = n
Diameter 163780006
Circumference 514530063.65449
Area 2.1067434228128E+16

Sphere

Radius = n
Volume 2.3002830028583E+24
Surface area 8.4269736912513E+16
Circumference 514530063.65449

Square

Length = n
Perimeter 327560012
Area 6705972591340009
Diagonal 115809952.86537

Cube

Length = n
Surface area 40235835548040054
Volume 5.4915211562275E+23
Space diagonal 141837645.82797

Equilateral Triangle

Length = n
Perimeter 245670009
Area 2.9037713105913E+15
Altitude 70918822.913984

Triangular Pyramid

Length = n
Surface area 2.9037713105913E+15
Volume 6.4718197476631E+22
Height 38603317.621791