28169989 (number)

28169989 is an odd 8-digits composite number following 28169988 and preceding 28169990. In scientific notation, it is written as 2.8169989 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 26687340 positive integers (up to 28169989) that are relatively prime to 28169989.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-nine thousand nine hundred eighty-nine

Notation

Scientific notation 2.8169989 × 10^7
Engineering notation 2.8169989 × 10^6

Prime Factorization of 28169989

Prime Factorization 19 × 1482631

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28169989
Product of the distinct prime numbers

The prime factorization of 28169989 is 19 × 1482631. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28169989)

Multiplication

n×y
n×2 56339978
n×3 84509967
n×4 112679956
n×5 140849945

Division

n÷y
n÷2 14084994.5
n÷3 9389996.3333333
n÷3 7042497.25
n÷5 5633997.8

Exponentiation

ny
n2 793548280260121
n3 2.2354246325897E+22
n4 6.297188731038E+29
n5 1.7739173728426E+37

Nth Root

y√n
2√n 5307.5407676249
3√n 304.27216580155
4√n 72.852870688977
5√n 30.899918608566

Divisors of 28169989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28169988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28169989 can be divided by 4 positive divisors. The sum of these divisors (counting 28169989) is 1, the average is 0.25.

Base conversion 28169989

Base System Value
2 Binary 1101011011101011100000101
3 Ternary 1222000011221221
4 Quaternary 1223131130011
5 Quinary 24202414424
6 Senary 2443440341
8 Octal 153353405
10 Decimal 28169989
12 Duodecimal 95260b1
16 Hexadecimal 1add705
20 Vigesimal 8g14j9
36 Base36 grs3p

Cryptographic Hash Functions

md5 c1f947cb7548f343599b7e126fcf6946
sha1 5998648e5ee70b4c262b67c598d73f2c413999c3
sha256 7b3e8c4943ca4c3cfe7a0c3f06eb630752b44bdd44f0c0df02225db5eb9507d8
sha512 030f500ecf02bb0ef4129a409f5796b2ac6a8af0fa81b046397e6b4fd421a731128f1a05aac8a45dd02765906df00cd1e77e21d1c037acfdeee1cd3acd1db336
ripemd-160 3446140b1d25bedf81fcc02734e252c01b6f5470

28169989 as geometric shapes

Circle

Radius = n
Diameter 56339978
Circumference 176997260.98821
Area 2.493005447534E+15

Sphere

Radius = n
Volume 9.3637248045298E+22
Surface area 9.972021790136E+15
Circumference 176997260.98821

Square

Length = n
Perimeter 112679956
Area 793548280260121
Diagonal 39838380.495701

Cube

Length = n
Surface area 4761289681560726
Volume 2.2354246325897E+22
Space diagonal 48791852.196656

Equilateral Triangle

Length = n
Perimeter 84509967
Area 3.4361648491736E+14
Altitude 24395926.098328

Triangular Pyramid

Length = n
Surface area 3.4361648491736E+14
Volume 2.634473194226E+21
Height 13279460.165234