28161890 (number)

28161890 is an even 8-digits composite number following 28161889 and preceding 28161891. In scientific notation, it is written as 2.8161890 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 10774896 positive integers (up to 28161890) that are relatively prime to 28161890.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-one thousand eight hundred ninety

Notation

Scientific notation 2.8161890 × 10^7
Engineering notation 2.8161890 × 10^6

Prime Factorization of 28161890

Prime Factorization 2 × 5 × 23 × 122443

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28161890
Product of the distinct prime numbers

The prime factorization of 28161890 is 2 × 5 × 23 × 122443. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 73, 40, 385, 627, 3591, 8653, 20764, 94859, 14122, 360682, 5728674, 4585417, 277995, 61886039, 876011930, 255090388, 8378864, 6076822623

Basic calculations (n = 28161890)

Multiplication

n×y
n×2 56323780
n×3 84485670
n×4 112647560
n×5 140809450

Division

n÷y
n÷2 14080945
n÷3 9387296.6666667
n÷3 7040472.5
n÷5 5632378

Exponentiation

ny
n2 793092048372100
n3 2.233497102613E+22
n4 6.2899499719105E+29
n5 1.7713687921445E+37

Nth Root

y√n
2√n 5306.7777417186
3√n 304.24300312924
4√n 72.847633741382
5√n 30.898141630762

Divisors of 28161890

1, 2, 5, 10, 23, 46, 115, 230, 122443, 244886, 612215, 1224430, 2816189, 5632378, 14080945, 28161890

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 -28161889
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 28161890 can be divided by 16 positive divisors. The sum of these divisors (counting 28161890) is 1, the average is 0.0625.

Base conversion 28161890

Base System Value
2 Binary 1101011011011011101100010
3 Ternary 1221222202211222
4 Quaternary 1223123131202
5 Quinary 24202140030
6 Senary 2443335042
8 Octal 153333542
10 Decimal 28161890
12 Duodecimal 9521482
16 Hexadecimal 1adb762
20 Vigesimal 8g04ea
36 Base36 grluq

Cryptographic Hash Functions

md5 e733894909dceaa7581ebef126e2353d
sha1 e52a5424c8f8bf589f67adb179f126a5543d3781
sha256 7dede011f21ab54116a79b58c6040b31e4a5e7632f929cd334dd7bbc1031aa28
sha512 67ae0740b54a9adb0ca7c47f786675ad675167851e4898f4ca8efad6f8dc678b94fbb1178cb85f7795db98b6eb623118bc55d83b253f3f512a9c353b4abd599a
ripemd-160 6dedce15cefa44622744b41b9446f6565a812005

28161890 as geometric shapes

Circle

Radius = n
Diameter 56323780
Circumference 176946373.47041
Area 2.4915721527863E+15

Sphere

Radius = n
Volume 9.355650785844E+22
Surface area 9.9662886111451E+15
Circumference 176946373.47041

Square

Length = n
Perimeter 112647560
Area 793092048372100
Diagonal 39826926.780059

Cube

Length = n
Surface area 4758552290232600
Volume 2.233497102613E+22
Space diagonal 48777824.317166

Equilateral Triangle

Length = n
Perimeter 84485670
Area 3.4341893071484E+14
Altitude 24388912.158583

Triangular Pyramid

Length = n
Surface area 3.4341893071484E+14
Volume 2.6322015783636E+21
Height 13275642.26002