28168840 (number)

28168840 is an even 8-digits composite number following 28168839 and preceding 28168841. In scientific notation, it is written as 2.8168840 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors. There are 9393408 positive integers (up to 28168840) that are relatively prime to 28168840.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8168840 × 10^7
Engineering notation 2.8168840 × 10^6

Prime Factorization of 28168840

Prime Factorization 2 × 2 × 2 × 35 × 37 × 2719

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7042210
Product of the distinct prime numbers

The prime factorization of 28168840 is 2 × 2 × 2 × 35 × 37 × 2719. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28168840)

Multiplication

n×y
n×2 56337680
n×3 84506520
n×4 112675360
n×5 140844200

Division

n÷y
n÷2 14084420
n÷3 9389613.3333333
n÷3 7042210
n÷5 5633768

Exponentiation

ny
n2 793483546945600
n3 2.2351511076543E+22
n4 6.2961613927337E+29
n5 1.7735556288609E+37

Nth Root

y√n
2√n 5307.4325243002
3√n 304.26802885198
4√n 72.852127795283
5√n 30.899666534731

Divisors of 28168840

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28168839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28168840 can be divided by 32 positive divisors. The sum of these divisors (counting 28168840) is 1, the average is 0.03125.

Base conversion 28168840

Base System Value
2 Binary 1101011011101001010001000
3 Ternary 1222000010101101
4 Quaternary 1223131022020
5 Quinary 24202400330
6 Senary 2443431144
8 Octal 153351210
10 Decimal 28168840
12 Duodecimal 95254b4
16 Hexadecimal 1add288
20 Vigesimal 8g1220
36 Base36 grr7s

Cryptographic Hash Functions

md5 8a5c0ac340161386711d31a694e33d4f
sha1 5dec0d1da3b6f386f93ddbfd4bf98fe41fc84144
sha256 d0c4087bdd21eab9ce98efe1a7f09bc6847cccc1fa14255c02ee4a9a9289fe3a
sha512 765c9ed0f497493a9f171569ae38f350768d215aa0b6a7b24f8a11fcb532d8fd5f61d97d839bfe85d0f2a9fa008f2ffd34e0ea5693b7aabab5eb97ba9a7c886c
ripemd-160 38ffc0e792572d7ed44ae16ba6b66ccb34dc8583

28168840 as geometric shapes

Circle

Radius = n
Diameter 56337680
Circumference 176990041.60829
Area 2.4928020818287E+15

Sphere

Radius = n
Volume 9.3625790659598E+22
Surface area 9.9712083273147E+15
Circumference 176990041.60829

Square

Length = n
Perimeter 112675360
Area 793483546945600
Diagonal 39836755.564318

Cube

Length = n
Surface area 4760901281673600
Volume 2.2351511076543E+22
Space diagonal 48789862.070278

Equilateral Triangle

Length = n
Perimeter 84506520
Area 3.4358845456994E+14
Altitude 24394931.035139

Triangular Pyramid

Length = n
Surface area 3.4358845456994E+14
Volume 2.6341508419983E+21
Height 13278918.521439