145890 (number)

145890 is an even 6-digits composite number following 145889 and preceding 145891. In scientific notation, it is written as 1.45890 × 10^5. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 38880 positive integers (up to 145890) that are relatively prime to 145890.

Interesting facts

Basic properties

Name

Name one hundred forty-five thousand eight hundred ninety

Notation

Scientific notation 1.45890 × 10^5
Engineering notation 1.45890 × 10^3

Prime Factorization of 145890

Prime Factorization 2 × 9 × 5 × 1621

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 145890
Product of the distinct prime numbers

The prime factorization of 145890 is 2 × 9 × 5 × 1621. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 145890)

Multiplication

n×y
n×2 291780
n×3 437670
n×4 583560
n×5 729450

Division

n÷y
n÷2 72945
n÷3 48630
n÷3 36472.5
n÷5 29178

Exponentiation

ny
n2 21283892100
n3 3105107018469000
n4 4.5300406292444E+20
n5 6.6088762740047E+25

Nth Root

y√n
2√n 381.95549478964
3√n 52.64314675559
4√n 19.543681710201
5√n 10.784626398671

Divisors of 145890

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 -145889
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 145890 can be divided by 16 positive divisors. The sum of these divisors (counting 145890) is 1, the average is 0.0625.

Base conversion 145890

Base System Value
2 Binary 100011100111100010
3 Ternary 21102010100
4 Quaternary 203213202
5 Quinary 14132030
6 Senary 3043230
8 Octal 434742
10 Decimal 145890
12 Duodecimal 70516
16 Hexadecimal 239e2
20 Vigesimal i4ea
36 Base36 34ki

Cryptographic Hash Functions

md5 e1ab5f90d4de8e798e46c9eb1b080803
sha1 7df1b77d42306ae6bb72d2a7c29f0e4bc4f24c0e
sha256 085e69a40e58b41eaf36eda80f61b6803322a8e831a8c94f4a9526af621b3154
sha512 0fb7c72b6d4f3eb5d6e276a9020d3ed637009f044c63e4d0f18e0af1ea1ddb0923fc26d46c636be8f1c5c2a837ef61f1fb45c7b048c5551bf5ab99dd6e91a67e
ripemd-160 c0817f0a17834a2cfa73c3130e500fdb4b0445df

145890 as geometric shapes

Circle

Radius = n
Diameter 291780
Circumference 916653.90446443
Area 66865319061.158

Sphere

Radius = n
Volume 1.3006641863776E+16
Surface area 267461276244.63
Circumference 916653.90446443

Square

Length = n
Perimeter 583560
Area 21283892100
Diagonal 206319.61661461

Cube

Length = n
Surface area 127703352600
Volume 3105107018469000
Space diagonal 252688.89231622

Equilateral Triangle

Length = n
Perimeter 437670
Area 9216195625.0035
Altitude 126344.44615811

Triangular Pyramid

Length = n
Surface area 9216195625.0035
Volume 3.6594037151156E+14
Height 68773.205538204