20128087 (number)

20128087 is an odd 8-digits composite number following 20128086 and preceding 20128088. In scientific notation, it is written as 2.0128087 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16344504 positive integers (up to 20128087) that are relatively prime to 20128087.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand eighty-seven

Notation

Scientific notation 2.0128087 × 10^7
Engineering notation 2.0128087 × 10^6

Prime Factorization of 20128087

Prime Factorization 19 × 7 × 151339

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20128087
Product of the distinct prime numbers

The prime factorization of 20128087 is 19 × 7 × 151339. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128087)

Multiplication

n×y
n×2 40256174
n×3 60384261
n×4 80512348
n×5 100640435

Division

n÷y
n÷2 10064043.5
n÷3 6709362.3333333
n÷3 5032021.75
n÷5 4025617.4

Exponentiation

ny
n2 405139886279569
n3 8.1546908782053E+21
n4 1.6413832745462E+29
n5 3.3037905350411E+36

Nth Root

y√n
2√n 4486.433661607
3√n 272.0199983494
4√n 66.980845482921
5√n 28.890862023547

Divisors of 20128087

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 -20128086
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 20128087 can be divided by 8 positive divisors. The sum of these divisors (counting 20128087) is 1, the average is 0.125.

Base conversion 20128087

Base System Value
2 Binary 1001100110010000101010111
3 Ternary 1101212121112201
4 Quaternary 1030302011113
5 Quinary 20123044322
6 Senary 1555225331
8 Octal 114620527
10 Decimal 20128087
12 Duodecimal 68a8247
16 Hexadecimal 1332157
20 Vigesimal 65g047
36 Base36 bzexj

Cryptographic Hash Functions

md5 c75e83fccac2e4f74503623041ddc9a6
sha1 3176a7a644f6af88d700dcbd9aeed4886d0a2831
sha256 078bbb1ad9fb758da195f813a7fc8b95596ba5b39f2cd691a8533236c8f8f2a1
sha512 55b9babddc2cb4191f333dbca3bea57b2b68297f6e7554222c59b3fe8db059e565d37be414da9f05aefcd9f825b3dada38230022e8b7a2da822d1c3cf620beb5
ripemd-160 be3f6351884eb80de89bf0920ce80ae65636a2f5

20128087 as geometric shapes

Circle

Radius = n
Diameter 40256174
Circumference 126468500.50003
Area 1.2727844904121E+15

Sphere

Radius = n
Volume 3.4158289273687E+22
Surface area 5.0911379616484E+15
Circumference 126468500.50003

Square

Length = n
Perimeter 80512348
Area 405139886279569
Diagonal 28465413.620026

Cube

Length = n
Surface area 2430839317677414
Volume 8.1546908782053E+21
Space diagonal 34862869.343167

Equilateral Triangle

Length = n
Perimeter 60384261
Area 1.7543071680222E+14
Altitude 17431434.671583

Triangular Pyramid

Length = n
Surface area 1.7543071680222E+14
Volume 9.6103953640984E+20
Height 9488471.2066752