28946988 (number)

28946988 is an even 8-digits composite number following 28946987 and preceding 28946989. In scientific notation, it is written as 2.8946988 × 10^7. The sum of its digits is 54. It has a total of 8 prime factors and 144 positive divisors. There are 7483392 positive integers (up to 28946988) that are relatively prime to 28946988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8946988 × 10^7
Engineering notation 2.8946988 × 10^6

Prime Factorization of 28946988

Prime Factorization 2 × 2 × 7 × 3 × 3 × 29 × 17 × 233

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 4824498
Product of the distinct prime numbers

The prime factorization of 28946988 is 2 × 2 × 7 × 3 × 3 × 29 × 17 × 233. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28946988)

Multiplication

n×y
n×2 57893976
n×3 86840964
n×4 115787952
n×5 144734940

Division

n÷y
n÷2 14473494
n÷3 9648996
n÷3 7236747
n÷5 5789397.6

Exponentiation

ny
n2 837928114272144
n3 2.4255495068698E+22
n4 7.0212352468767E+29
n5 2.0324361243652E+37

Nth Root

y√n
2√n 5380.2405150699
3√n 307.04436187619
4√n 73.35012280201
5√n 31.068527926437

Divisors of 28946988

144 divisors

τ Total Divisors 144
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28946987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0069444444444444
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 144
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28946988 can be divided by 144 positive divisors. The sum of these divisors (counting 28946988) is 1, the average is 0.0069444444444444.

Base conversion 28946988

Base System Value
2 Binary 1101110011011001000101100
3 Ternary 2000110122210200
4 Quaternary 1232123020230
5 Quinary 24402300423
6 Senary 2512233500
8 Octal 156331054
10 Decimal 28946988
12 Duodecimal 983b890
16 Hexadecimal 1b9b22c
20 Vigesimal 90i798
36 Base36 h8fn0

Cryptographic Hash Functions

md5 fbf4106fc01c56356fbfce490abc0e58
sha1 e1674c005207cbffe315683ecb05b19f42501653
sha256 50e3e79585dc6d913f0a94e8c76347b99ce99254c8cd7ae226e2dc932f079400
sha512 02bee000aac79ea7dfc0af90473112b556b558e9fd797aa567cffaff6ee367447c94423cefee5cfd41a236fec828a02e7f0c0128e4124f43b340bc1431cd7f7c
ripemd-160 76abe372812de9de0db5b9244c28b98efe983d3e

28946988 as geometric shapes

Circle

Radius = n
Diameter 57893976
Circumference 181879289.6887
Area 2.6324288080337E+15

Sphere

Radius = n
Volume 1.0160118015601E+23
Surface area 1.0529715232135E+16
Circumference 181879289.6887

Square

Length = n
Perimeter 115787952
Area 837928114272144
Diagonal 40937223.019451

Cube

Length = n
Surface area 5027568685632864
Volume 2.4255495068698E+22
Space diagonal 50137653.942087

Equilateral Triangle

Length = n
Perimeter 86840964
Area 3.6283351675243E+14
Altitude 25068826.971043

Triangular Pyramid

Length = n
Surface area 3.6283351675243E+14
Volume 2.8585375073522E+21
Height 13645741.006484