20987029 (number)

20987029 is an odd 8-digits composite number following 20987028 and preceding 20987030. In scientific notation, it is written as 2.0987029 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 17502480 positive integers (up to 20987029) that are relatively prime to 20987029.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0987029 × 10^7
Engineering notation 2.0987029 × 10^6

Prime Factorization of 20987029

Prime Factorization 37 × 7 × 81031

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20987029
Product of the distinct prime numbers

The prime factorization of 20987029 is 37 × 7 × 81031. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20987029)

Multiplication

n×y
n×2 41974058
n×3 62961087
n×4 83948116
n×5 104935145

Division

n÷y
n÷2 10493514.5
n÷3 6995676.3333333
n÷3 5246757.25
n÷5 4197405.8

Exponentiation

ny
n2 440455386246841
n3 9.2438499643687E+21
n4 1.9400094727385E+29
n5 4.0715035064638E+36

Nth Root

y√n
2√n 4581.1602242227
3√n 275.83560275563
4√n 67.684268661356
5√n 29.133334313492

Divisors of 20987029

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 -20987028
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 20987029 can be divided by 8 positive divisors. The sum of these divisors (counting 20987029) is 1, the average is 0.125.

Base conversion 20987029

Base System Value
2 Binary 1010000000011110010010101
3 Ternary 1110111020210101
4 Quaternary 1100003302111
5 Quinary 20333041104
6 Senary 2025454101
8 Octal 120036225
10 Decimal 20987029
12 Duodecimal 7041331
16 Hexadecimal 1403c95
20 Vigesimal 6b37b9
36 Base36 chtp1

Cryptographic Hash Functions

md5 4db05d991e79fe0a4565d10953f603cb
sha1 19505fc623d9ea57df7b2390cd03f93078e40ade
sha256 a6850e6dd56d9015c4b7a9232c0ea05c49f3c247358e68cb99758b4a18bc75fd
sha512 273e274074cf9c68e37294096a2b06e571adb48e01c7fd82e8dd7d5d698783f192b80cca355870d18ba610d8662533926df0cc9803420005e022ac350d6e672a
ripemd-160 e555df24a30cf8b242e83bec7f253b6e3377aab3

20987029 as geometric shapes

Circle

Radius = n
Diameter 41974058
Circumference 131865392.25415
Area 1.3837314056671E+15

Sphere

Radius = n
Volume 3.8720548185262E+22
Surface area 5.5349256226685E+15
Circumference 131865392.25415

Square

Length = n
Perimeter 83948116
Area 440455386246841
Diagonal 29680141.045717

Cube

Length = n
Surface area 2642732317481046
Volume 9.2438499643687E+21
Space diagonal 36350600.527921

Equilateral Triangle

Length = n
Perimeter 62961087
Area 1.9072277686173E+14
Altitude 18175300.263961

Triangular Pyramid

Length = n
Surface area 1.9072277686173E+14
Volume 1.0893981656794E+21
Height 9893380.3485725