20170987 (number)

20170987 is an odd 8-digits composite number following 20170986 and preceding 20170988. In scientific notation, it is written as 2.0170987 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 19367400 positive integers (up to 20170987) that are relatively prime to 20170987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0170987 × 10^7
Engineering notation 2.0170987 × 10^6

Prime Factorization of 20170987

Prime Factorization 131 × 31 × 4967

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20170987
Product of the distinct prime numbers

The prime factorization of 20170987 is 131 × 31 × 4967. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20170987)

Multiplication

n×y
n×2 40341974
n×3 60512961
n×4 80683948
n×5 100854935

Division

n÷y
n÷2 10085493.5
n÷3 6723662.3333333
n÷3 5042746.75
n÷5 4034197.4

Exponentiation

ny
n2 406868716554169
n3 8.2069435923208E+21
n4 1.6554215251044E+29
n5 3.33914860624E+36

Nth Root

y√n
2√n 4491.212197169
3√n 272.21311782839
4√n 67.016506900681
5√n 28.903166845924

Divisors of 20170987

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20170986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20170987 can be divided by 8 positive divisors. The sum of these divisors (counting 20170987) is 1, the average is 0.125.

Base conversion 20170987

Base System Value
2 Binary 1001100111100100011101011
3 Ternary 1101221210101121
4 Quaternary 1030330203223
5 Quinary 20130432422
6 Senary 2000200111
8 Octal 114744353
10 Decimal 20170987
12 Duodecimal 6909037
16 Hexadecimal 133c8eb
20 Vigesimal 661797
36 Base36 c0c17

Cryptographic Hash Functions

md5 805e270f437ac2279fff1987fece704c
sha1 252332dd13e7a14b227b376a5f3eb79536e03586
sha256 ea27649f97fe184819a0211ab899bb97a357f7b5ac8279ef59d01aab231fb04d
sha512 93724f1d3c00dce7c51ccee462288eff3964712a05646a16eb06fd2bb7ebc10f291e8ce18d7f9ee49f18a8f4c08e827c8525b4350def8a17c530fd07a01e44e1
ripemd-160 a38eeb8c2ff8b90b3f84a8f03751ce32768a0f51

20170987 as geometric shapes

Circle

Radius = n
Diameter 40341974
Circumference 126738049.14971
Area 1.2782157709021E+15

Sphere

Radius = n
Volume 3.4377164930748E+22
Surface area 5.1128630836083E+15
Circumference 126738049.14971

Square

Length = n
Perimeter 80683948
Area 406868716554169
Diagonal 28526083.381851

Cube

Length = n
Surface area 2441212299325014
Volume 8.2069435923208E+21
Space diagonal 34937174.322811

Equilateral Triangle

Length = n
Perimeter 60512961
Area 1.7617932227054E+14
Altitude 17468587.161406

Triangular Pyramid

Length = n
Surface area 1.7617932227054E+14
Volume 9.6719757782426E+20
Height 9508694.4606171