2145989 (number)

2145989 is an odd 7-digits composite number following 2145988 and preceding 2145990. In scientific notation, it is written as 2.145989 × 10^6. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 2138124 positive integers (up to 2145989) that are relatively prime to 2145989.

Interesting facts

Basic properties

Name

Name two million one hundred forty-five thousand nine hundred eighty-nine

Notation

Scientific notation 2.145989 × 10^6
Engineering notation 2.145989 × 10^6

Prime Factorization of 2145989

Prime Factorization 283 × 7583

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2145989
Product of the distinct prime numbers

The prime factorization of 2145989 is 283 × 7583. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2145989)

Multiplication

n×y
n×2 4291978
n×3 6437967
n×4 8583956
n×5 10729945

Division

n÷y
n÷2 1072994.5
n÷3 715329.66666667
n÷3 536497.25
n÷5 429197.8

Exponentiation

ny
n2 4605268788121
n3 9.882856161351E+18
n4 2.1208500610841E+25
n5 4.5513209017359E+31

Nth Root

y√n
2√n 1464.9194517106
3√n 128.9859768824
4√n 38.274266181216
5√n 18.463987535754

Divisors of 2145989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2145988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2145989 can be divided by 4 positive divisors. The sum of these divisors (counting 2145989) is 1, the average is 0.25.

Base conversion 2145989

Base System Value
2 Binary 1000001011111011000101
3 Ternary 11001000202002
4 Quaternary 20023323011
5 Quinary 1022132424
6 Senary 113555045
8 Octal 10137305
10 Decimal 2145989
12 Duodecimal 875a85
16 Hexadecimal 20bec5
20 Vigesimal d84j9
36 Base36 19zut

Cryptographic Hash Functions

md5 d124229a88f38c8b3e96bb516575621a
sha1 8d659d459e21222650c05459247ed29b3f601c14
sha256 a1d6b861e35bf741892b1eee257a10037895f2b76d62e9ed08b660bff5e63540
sha512 cf37ea2023b1adfa86fe73679255f7f6d66e81019cf018b7f9ccb55a387944bfba363f98402ed699567ab5a5c45c7ab1527cfe754b0696c525ecf276b41091c4
ripemd-160 8f28826aae355cf87867f1d8555f5b92b3dc3e61

2145989 as geometric shapes

Circle

Radius = n
Diameter 4291978
Circumference 13483646.554169
Area 14467878592567

Sphere

Radius = n
Volume 4.139721108398E+19
Surface area 57871514370269
Circumference 13483646.554169

Square

Length = n
Perimeter 8583956
Area 4605268788121
Diagonal 3034886.7485035

Cube

Length = n
Surface area 27631612728726
Volume 9.882856161351E+18
Space diagonal 3716961.9804839

Equilateral Triangle

Length = n
Perimeter 6437967
Area 1994139880884.2
Altitude 1858480.990242

Triangular Pyramid

Length = n
Surface area 1994139880884.2
Volume 1.1647057681971E+18
Height 1011628.9161678