28696989 (number)

28696989 is an odd 8-digits composite number following 28696988 and preceding 28696990. In scientific notation, it is written as 2.8696989 × 10^7. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 19131324 positive integers (up to 28696989) that are relatively prime to 28696989.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred ninety-six thousand nine hundred eighty-nine

Notation

Scientific notation 2.8696989 × 10^7
Engineering notation 2.8696989 × 10^6

Prime Factorization of 28696989

Prime Factorization 3 × 9565663

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28696989
Product of the distinct prime numbers

The prime factorization of 28696989 is 3 × 9565663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28696989)

Multiplication

n×y
n×2 57393978
n×3 86090967
n×4 114787956
n×5 143484945

Division

n÷y
n÷2 14348494.5
n÷3 9565663
n÷3 7174247.25
n÷5 5739397.8

Exponentiation

ny
n2 823517177666121
n3 2.3632463388796E+22
n4 6.7818054191117E+29
n5 1.9461739551239E+37

Nth Root

y√n
2√n 5356.9570653497
3√n 306.15788127622
4√n 73.191236260564
5√n 31.014677260884

Divisors of 28696989

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 -28696988
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 28696989 can be divided by 4 positive divisors. The sum of these divisors (counting 28696989) is 1, the average is 0.25.

Base conversion 28696989

Base System Value
2 Binary 1101101011110000110011101
3 Ternary 1222222221212110
4 Quaternary 1231132012131
5 Quinary 24321300424
6 Senary 2503024233
8 Octal 155360635
10 Decimal 28696989
12 Duodecimal 973b079
16 Hexadecimal 1b5e19d
20 Vigesimal 8j7299
36 Base36 h32ql

Cryptographic Hash Functions

md5 bdc11fbe04b7a50b37be1c6a4f2038fa
sha1 506a9e60b88790f8124cc9f6d6b5d93f4ebdf99e
sha256 ee0daeaaf1e2a38735e49c853699bc3dd964bac74204a1d0e1d58253150ecf93
sha512 8d2547b8f0fdd205d4dcf900f748c721464d048bf91b9df72d502635d715cf86812c344f19a44243d5735284ac6d85f46b2ce10cdf3bc2a0bfb7fc07a51e61ef
ripemd-160 34f931c9fef93e779c1627e8605643f2e7906caa

28696989 as geometric shapes

Circle

Radius = n
Diameter 57393978
Circumference 180308499.64509
Area 2.5871555154609E+15

Sphere

Radius = n
Volume 9.899143115796E+22
Surface area 1.0348622061844E+16
Circumference 180308499.64509

Square

Length = n
Perimeter 114787956
Area 823517177666121
Diagonal 40583671.043072

Cube

Length = n
Surface area 4941103065996726
Volume 2.3632463388796E+22
Space diagonal 49704642.972245

Equilateral Triangle

Length = n
Perimeter 86090967
Area 3.5659339815586E+14
Altitude 24852321.486123

Triangular Pyramid

Length = n
Surface area 3.5659339815586E+14
Volume 2.7851125197267E+21
Height 13527890.347691