28994021 (number)

28994021 is an odd 8-digits composite number following 28994020 and preceding 28994022. In scientific notation, it is written as 2.8994021 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 23587200 positive integers (up to 28994021) that are relatively prime to 28994021.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-four thousand twenty-one

Notation

Scientific notation 2.8994021 × 10^7
Engineering notation 2.8994021 × 10^6

Prime Factorization of 28994021

Prime Factorization 7 × 31 × 53 × 2521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28994021
Product of the distinct prime numbers

The prime factorization of 28994021 is 7 × 31 × 53 × 2521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 29, 15, 998, 828, 5788, 9185, 59401, 65593, 533220, 991814, 814231, 9616281, 94263157, 2952971, 698391590, 441603869, 396376728, 5515487162

Basic calculations (n = 28994021)

Multiplication

n×y
n×2 57988042
n×3 86982063
n×4 115976084
n×5 144970105

Division

n÷y
n÷2 14497010.5
n÷3 9664673.6666667
n÷3 7248505.25
n÷5 5798804.2

Exponentiation

ny
n2 840653253748441
n3 2.4373918092901E+22
n4 7.0669789303784E+29
n5 2.0490013551395E+37

Nth Root

y√n
2√n 5384.6096423046
3√n 307.21056688483
4√n 73.379899443271
5√n 31.078617385879

Divisors of 28994021

1, 7, 31, 53, 217, 371, 1643, 2521, 11501, 17647, 78151, 133613, 547057, 935291, 4142003, 28994021

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28994020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28994021 can be divided by 16 positive divisors. The sum of these divisors (counting 28994021) is 1, the average is 0.0625.

Base conversion 28994021

Base System Value
2 Binary 1101110100110100111100101
3 Ternary 2000120001022122
4 Quaternary 1232212213211
5 Quinary 24410302041
6 Senary 2513235325
8 Octal 156464745
10 Decimal 28994021
12 Duodecimal 9862b45
16 Hexadecimal 1ba69e5
20 Vigesimal 914511
36 Base36 h9fxh

Cryptographic Hash Functions

md5 d52dc8847012cae2d072ba6f79bc04bd
sha1 26f5d8c8b6b73a04fd6a5cdab1134aff0e296a5a
sha256 31799db5bf55039ef6ad1e7b40180fd2a63fd47d809833b278aa7203c46ad602
sha512 ef4b85b539435a98965935ae61e0b8d4365aa41eea64956a0ca5c9cd4d548c83067a2962c95ce341f0369d2ecc206afa0b763f498ffd15119ca785b81be26473
ripemd-160 e14771df1db9f56cbcc0596156d63955985c2837

28994021 as geometric shapes

Circle

Radius = n
Diameter 57988042
Circumference 182174806.74326
Area 2.6409900861925E+15

Sphere

Radius = n
Volume 1.0209722935981E+23
Surface area 1.056396034477E+16
Circumference 182174806.74326

Square

Length = n
Perimeter 115976084
Area 840653253748441
Diagonal 41003737.72593

Cube

Length = n
Surface area 5043919522490646
Volume 2.4373918092901E+22
Space diagonal 50219117.487719

Equilateral Triangle

Length = n
Perimeter 86982063
Area 3.640135367601E+14
Altitude 25109558.743859

Triangular Pyramid

Length = n
Surface area 3.640135367601E+14
Volume 2.8724937945959E+21
Height 13667912.57531