145881 (number)

145881 is an odd 6-digits composite number following 145880 and preceding 145882. In scientific notation, it is written as 1.45881 × 10^5. The sum of its digits is 27. It has a total of 4 prime factors and 10 positive divisors. There are 97200 positive integers (up to 145881) that are relatively prime to 145881.

Interesting facts

Basic properties

Name

Name one hundred forty-five thousand eight hundred eighty-one

Notation

Scientific notation 1.45881 × 10^5
Engineering notation 1.45881 × 10^3

Prime Factorization of 145881

Prime Factorization 9 × 3 × 3 × 1801

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 48627
Product of the distinct prime numbers

The prime factorization of 145881 is 9 × 3 × 3 × 1801. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 145881)

Multiplication

n×y
n×2 291762
n×3 437643
n×4 583524
n×5 729405

Division

n÷y
n÷2 72940.5
n÷3 48627
n÷3 36470.25
n÷5 29176.2

Exponentiation

ny
n2 21281266161
n3 3104532388832841
n4 4.5289228941532E+20
n5 6.6068380072197E+25

Nth Root

y√n
2√n 381.94371313061
3√n 52.642064209233
4√n 19.543380289259
5√n 10.784493333988

Divisors of 145881

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -145880
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 145881 can be divided by 10 positive divisors. The sum of these divisors (counting 145881) is 1, the average is 0.1.

Base conversion 145881

Base System Value
2 Binary 100011100111011001
3 Ternary 21102010000
4 Quaternary 203213121
5 Quinary 14132011
6 Senary 3043213
8 Octal 434731
10 Decimal 145881
12 Duodecimal 70509
16 Hexadecimal 239d9
20 Vigesimal i4e1
36 Base36 34k9

Cryptographic Hash Functions

md5 9c6d03c1eef6227de60bba971320f54e
sha1 5e7fb2694084584a6712d3d962f75b99e5c122b9
sha256 2e4f843a79c7eedc2242df8a1889e77028669ddc5dbae1a8f06eb3eba29552f7
sha512 437b21cc3bb5ffa1d424fc84292f9e9a263b8a2f744dbe5697fdaf357d4a3ea05b43c799074e2159ed350d3e9c8bafb172f2669755713e317b9218e1687518ee
ripemd-160 52dffd7faa93991201a1aac1049141f93ec238ef

145881 as geometric shapes

Circle

Radius = n
Diameter 291762
Circumference 916597.35579667
Area 66857069430.487

Sphere

Radius = n
Volume 1.3004234860785E+16
Surface area 267428277721.95
Circumference 916597.35579667

Square

Length = n
Perimeter 583524
Area 21281266161
Diagonal 206306.88869255

Cube

Length = n
Surface area 127687596966
Volume 3104532388832841
Space diagonal 252673.30385896

Equilateral Triangle

Length = n
Perimeter 437643
Area 9215058560.0621
Altitude 126336.65192948

Triangular Pyramid

Length = n
Surface area 9215058560.0621
Volume 3.658726507595E+14
Height 68768.962897516