28996945 (number)

28996945 is an odd 8-digits composite number following 28996944 and preceding 28996946. In scientific notation, it is written as 2.8996945 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 21976560 positive integers (up to 28996945) that are relatively prime to 28996945.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-six thousand nine hundred forty-five

Notation

Scientific notation 2.8996945 × 10^7
Engineering notation 2.8996945 × 10^6

Prime Factorization of 28996945

Prime Factorization 5 × 19 × 305231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28996945
Product of the distinct prime numbers

The prime factorization of 28996945 is 5 × 19 × 305231. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28996945)

Multiplication

n×y
n×2 57993890
n×3 86990835
n×4 115987780
n×5 144984725

Division

n÷y
n÷2 14498472.5
n÷3 9665648.3333333
n÷3 7249236.25
n÷5 5799389

Exponentiation

ny
n2 840822819333025
n3 2.4381293046945E+22
n4 7.0698301351114E+29
n5 2.0500347558717E+37

Nth Root

y√n
2√n 5384.8811500348
3√n 307.22089376685
4√n 73.381749434275
5√n 31.079244206227

Divisors of 28996945

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 -28996944
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 28996945 can be divided by 8 positive divisors. The sum of these divisors (counting 28996945) is 1, the average is 0.125.

Base conversion 28996945

Base System Value
2 Binary 1101110100111010101010001
3 Ternary 2000120012022221
4 Quaternary 1232213111101
5 Quinary 24410400240
6 Senary 2513301041
8 Octal 156472521
10 Decimal 28996945
12 Duodecimal 9864781
16 Hexadecimal 1ba7551
20 Vigesimal 914c75
36 Base36 h9i6p

Cryptographic Hash Functions

md5 1731c2c6e84176160f7090ad4f243b24
sha1 e3de045fe57c17a0b327b699e71ee16bdb1a6b26
sha256 d9bde68ffa274284cedd845e930289fd0276c75ce54a8636012305c84237fbaa
sha512 1c868ea840a7a16d0e7f51f98210e30dc58e8fe9653762a4b046041656b45fc2d0111630bd2ffe2431d31df46bf7722b7cde68646fcea847b5efb71922029bb0
ripemd-160 f677ec443a67c948547f267b2d214f8a3fe5d7af

28996945 as geometric shapes

Circle

Radius = n
Diameter 57993890
Circumference 182193178.77709
Area 2.6415227921873E+15

Sphere

Radius = n
Volume 1.0212812149507E+23
Surface area 1.0566091168749E+16
Circumference 182193178.77709

Square

Length = n
Perimeter 115987780
Area 840822819333025
Diagonal 41007872.886387

Cube

Length = n
Surface area 5044936915998150
Volume 2.4381293046945E+22
Space diagonal 50224182.00428

Equilateral Triangle

Length = n
Perimeter 86990835
Area 3.6408696081203E+14
Altitude 25112091.00214

Triangular Pyramid

Length = n
Surface area 3.6408696081203E+14
Volume 2.8733629412652E+21
Height 13669290.962129