28991646 (number)

28991646 is an even 8-digits composite number following 28991645 and preceding 28991647. In scientific notation, it is written as 2.8991646 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 9288000 positive integers (up to 28991646) that are relatively prime to 28991646.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8991646 × 10^7
Engineering notation 2.8991646 × 10^6

Prime Factorization of 28991646

Prime Factorization 2 × 333 × 101 × 431

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28991646
Product of the distinct prime numbers

The prime factorization of 28991646 is 2 × 333 × 101 × 431. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 5, 55, 431, 948, 7362, 1948, 10319, 86436, 930903, 491145, 6957099, 4269567, 30683564, 26912897, 285107147, 278404816, 9213100323, 4194310557

Basic calculations (n = 28991646)

Multiplication

n×y
n×2 57983292
n×3 86974938
n×4 115966584
n×5 144958230

Division

n÷y
n÷2 14495823
n÷3 9663882
n÷3 7247911.5
n÷5 5798329.2

Exponentiation

ny
n2 840515537789316
n3 2.4367928929087E+22
n4 7.0646636926526E+29
n5 2.0481622888644E+37

Nth Root

y√n
2√n 5384.3891018388
3√n 307.202178431
4√n 73.378396697112
5√n 31.078108217903

Divisors of 28991646

1, 2, 101, 202, 333, 431, 666, 862, 33633, 43531, 67266, 87062, 143523, 287046, 14495823, 28991646

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 -28991645
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 28991646 can be divided by 16 positive divisors. The sum of these divisors (counting 28991646) is 1, the average is 0.0625.

Base conversion 28991646

Base System Value
2 Binary 1101110100110000010011110
3 Ternary 2000112221001200
4 Quaternary 1232212002132
5 Quinary 24410213041
6 Senary 2513220330
8 Octal 156460236
10 Decimal 28991646
12 Duodecimal 98616a6
16 Hexadecimal 1ba609e
20 Vigesimal 913j26
36 Base36 h9e3i

Cryptographic Hash Functions

md5 f824845bc0bda1fb392fadad006cef26
sha1 f6ddd386ac2f0f0dfb5b221c901cc55e35400aed
sha256 05a08d0ad7da63388da2c3fb230fd38397a34a698b0f1e20f00594bb44200d52
sha512 8f1434ec41051a68480b370c1190fa8050d260fb34979bba50e1272f0d77010d197844a8e8848da28429b92ed4ead4f3b931f7c88670e25188a67e46d8bf8594
ripemd-160 4430005033c5c7d1564e2817a4997d586b966bf4

28991646 as geometric shapes

Circle

Radius = n
Diameter 57983292
Circumference 182159884.17815
Area 2.640557438747E+15

Sphere

Radius = n
Volume 1.0207214200909E+23
Surface area 1.0562229754988E+16
Circumference 182159884.17815

Square

Length = n
Perimeter 115966584
Area 840515537789316
Diagonal 41000378.96872

Cube

Length = n
Surface area 5043093226735896
Volume 2.4367928929087E+22
Space diagonal 50215003.867051

Equilateral Triangle

Length = n
Perimeter 86974938
Area 3.6395390400054E+14
Altitude 25107501.933526

Triangular Pyramid

Length = n
Surface area 3.6395390400054E+14
Volume 2.8717879648716E+21
Height 13666792.989573