28989813 (number)

28989813 is an odd 8-digits composite number following 28989812 and preceding 28989814. In scientific notation, it is written as 2.8989813 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 19326540 positive integers (up to 28989813) that are relatively prime to 28989813.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred eighty-nine thousand eight hundred thirteen

Notation

Scientific notation 2.8989813 × 10^7
Engineering notation 2.8989813 × 10^6

Prime Factorization of 28989813

Prime Factorization 3 × 9663271

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28989813
Product of the distinct prime numbers

The prime factorization of 28989813 is 3 × 9663271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 80, 10, 755, 851, 2699, 8098, 86641, 54507, 451375, 991931, 4249673, 8419451, 55421191, 61094153, 280952476, 540427383, 3708611756, 2830727756

Basic calculations (n = 28989813)

Multiplication

n×y
n×2 57979626
n×3 86969439
n×4 115959252
n×5 144949065

Division

n÷y
n÷2 14494906.5
n÷3 9663271
n÷3 7247453.25
n÷5 5797962.6

Exponentiation

ny
n2 840409257774969
n3 2.4363307226365E+22
n4 7.0628772055387E+29
n5 2.0475148943053E+37

Nth Root

y√n
2√n 5384.2188848523
3√n 307.1957039974
4√n 73.377236830316
5√n 31.077715224604

Divisors of 28989813

1, 3, 9663271, 28989813

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 -28989812
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 28989813 can be divided by 4 positive divisors. The sum of these divisors (counting 28989813) is 1, the average is 0.25.

Base conversion 28989813

Base System Value
2 Binary 1101110100101100101110101
3 Ternary 2000112211112210
4 Quaternary 1232211211311
5 Quinary 24410133223
6 Senary 2513204033
8 Octal 156454565
10 Decimal 28989813
12 Duodecimal 9860619
16 Hexadecimal 1ba5975
20 Vigesimal 913ead
36 Base36 h9col

Cryptographic Hash Functions

md5 b11bf3f8682ff7a45597d990bbd70960
sha1 5cf6266c607594a7e27c32e5421a31829c3253f1
sha256 37255e8c1461d859695d95ec98e9033613fe2462ea300bdd0f898ab5f727b89c
sha512 159b9850189d10073002b930e0f8fc68f5d59a11340c42d2958f9b2d8a390345b82c511cb29cbd52a51bc918c59a5b58aea122b50c32a247c009974baee67c2f
ripemd-160 21f66ed5293280f61c694c3488657532f538a4c4

28989813 as geometric shapes

Circle

Radius = n
Diameter 57979626
Circumference 182148367.09948
Area 2.6402235502347E+15

Sphere

Radius = n
Volume 1.02052782666E+23
Surface area 1.0560894200939E+16
Circumference 182148367.09948

Square

Length = n
Perimeter 115959252
Area 840409257774969
Diagonal 40997786.71526

Cube

Length = n
Surface area 5042455546649814
Volume 2.4363307226365E+22
Space diagonal 50211829.017921

Equilateral Triangle

Length = n
Perimeter 86969439
Area 3.6390788340437E+14
Altitude 25105914.50896

Triangular Pyramid

Length = n
Surface area 3.6390788340437E+14
Volume 2.8712432919823E+21
Height 13665928.905087