20190987 (number)

20190987 is an odd 8-digits composite number following 20190986 and preceding 20190988. In scientific notation, it is written as 2.0190987 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 12736944 positive integers (up to 20190987) that are relatively prime to 20190987.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety thousand nine hundred eighty-seven

Notation

Scientific notation 2.0190987 × 10^7
Engineering notation 2.0190987 × 10^6

Prime Factorization of 20190987

Prime Factorization 9 × 23 × 103 × 947

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20190987
Product of the distinct prime numbers

The prime factorization of 20190987 is 9 × 23 × 103 × 947. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 77, 57, 92, 159, 4548, 1043, 97767, 53839, 804599, 568760, 3327328, 2943970, 56468661, 56189849, 260204648, 37086888, 789126680, 6018022514

Basic calculations (n = 20190987)

Multiplication

n×y
n×2 40381974
n×3 60572961
n×4 80763948
n×5 100954935

Division

n÷y
n÷2 10095493.5
n÷3 6730329
n÷3 5047746.75
n÷5 4038197.4

Exponentiation

ny
n2 407675956034169
n3 8.2313799284985E+21
n4 1.6619968512837E+29
n5 3.3557356818311E+36

Nth Root

y√n
2√n 4493.4382158877
3√n 272.30305664292
4√n 67.033112831553
5√n 28.908896205701

Divisors of 20190987

1, 9, 23, 103, 207, 927, 947, 2369, 8523, 21321, 21781, 97541, 196029, 877869, 2243443, 20190987

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 -20190986
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 20190987 can be divided by 16 positive divisors. The sum of these divisors (counting 20190987) is 1, the average is 0.0625.

Base conversion 20190987

Base System Value
2 Binary 1001101000001011100001011
3 Ternary 1101222210211100
4 Quaternary 1031001130023
5 Quinary 20132102422
6 Senary 2000432443
8 Octal 115013413
10 Decimal 20190987
12 Duodecimal 6918723
16 Hexadecimal 134170b
20 Vigesimal 663h97
36 Base36 c0rgr

Cryptographic Hash Functions

md5 90b282ad307231305d43e4a061d134ea
sha1 adc33c2579ca28c1f3a06ab95d6ba84f4c9f9391
sha256 4683e0b2d58c7f48111abd1e975ad07fb4b3a73c5df9967305d044dcdba409ca
sha512 d20a2f71e8510f6a45156fca9c57fe038190675ac1c2844ab13b2735aea00727d101e2b771e82292401f65d71a724bc8a63882fff80a36284421a42e4a3bac3a
ripemd-160 33704d430e3599cbc20d8ae71470eca91f8dd648

20190987 as geometric shapes

Circle

Radius = n
Diameter 40381974
Circumference 126863712.85585
Area 1.2807517885221E+15

Sphere

Radius = n
Volume 3.447952361637E+22
Surface area 5.1230071540886E+15
Circumference 126863712.85585

Square

Length = n
Perimeter 80763948
Area 407675956034169
Diagonal 28554367.653099

Cube

Length = n
Surface area 2446055736205014
Volume 8.2313799284985E+21
Space diagonal 34971815.338963

Equilateral Triangle

Length = n
Perimeter 60572961
Area 1.7652886721885E+14
Altitude 17485907.669481

Triangular Pyramid

Length = n
Surface area 1.7652886721885E+14
Volume 9.7007742766069E+20
Height 9518122.551033