20159987 (number)

20159987 is an odd 8-digits composite number following 20159986 and preceding 20159988. In scientific notation, it is written as 2.0159987 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 19668240 positive integers (up to 20159987) that are relatively prime to 20159987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0159987 × 10^7
Engineering notation 2.0159987 × 10^6

Prime Factorization of 20159987

Prime Factorization 41 × 491707

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20159987
Product of the distinct prime numbers

The prime factorization of 20159987 is 41 × 491707. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20159987)

Multiplication

n×y
n×2 40319974
n×3 60479961
n×4 80639948
n×5 100799935

Division

n÷y
n÷2 10079993.5
n÷3 6719995.6666667
n÷3 5039996.75
n÷5 4031997.4

Exponentiation

ny
n2 406425075840169
n3 8.1935242454118E+21
n4 1.6518134227169E+29
n5 3.3300537128398E+36

Nth Root

y√n
2√n 4489.9874164634
3√n 272.16362613733
4√n 67.007368374407
5√n 28.900013760646

Divisors of 20159987

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 -20159986
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 20159987 can be divided by 4 positive divisors. The sum of these divisors (counting 20159987) is 1, the average is 0.25.

Base conversion 20159987

Base System Value
2 Binary 1001100111001110111110011
3 Ternary 1101221020022012
4 Quaternary 1030321313303
5 Quinary 20130104422
6 Senary 2000033135
8 Octal 114716763
10 Decimal 20159987
12 Duodecimal 69027ab
16 Hexadecimal 1339df3
20 Vigesimal 65jjj7
36 Base36 c03jn

Cryptographic Hash Functions

md5 fc060c586e77793a0d06aad27ad556d1
sha1 0ee5860d2ed22342fa3d3743331f332b33493bed
sha256 21b2424760e4601a4bc0dd7fe00df6b916ae66a7c2730ca658816e42959c8c13
sha512 d8eee70da627f0e615c966dba6ce78dff4bf97569e2afb1170b37495a9246e0b90912acaf741a017389d822c257587fba38ae993c33862cb83ab8325dba0f42f
ripemd-160 8a3df90cde07164a886bfeb74634e9f638be800c

20159987 as geometric shapes

Circle

Radius = n
Diameter 40319974
Circumference 126668934.11133
Area 1.2768220324941E+15

Sphere

Radius = n
Volume 3.4320954101861E+22
Surface area 5.1072881299766E+15
Circumference 126668934.11133

Square

Length = n
Perimeter 80639948
Area 406425075840169
Diagonal 28510527.032665

Cube

Length = n
Surface area 2438550455041014
Volume 8.1935242454118E+21
Space diagonal 34918121.763928

Equilateral Triangle

Length = n
Perimeter 60479961
Area 1.759872202063E+14
Altitude 17459060.881964

Triangular Pyramid

Length = n
Surface area 1.759872202063E+14
Volume 9.6561609262451E+20
Height 9503509.0108884