28997906 (number)

28997906 is an even 8-digits composite number following 28997905 and preceding 28997907. In scientific notation, it is written as 2.8997906 × 10^7. The sum of its digits is 50. It has a total of 5 prime factors and 32 positive divisors. There are 12112800 positive integers (up to 28997906) that are relatively prime to 28997906.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-seven thousand nine hundred six

Notation

Scientific notation 2.8997906 × 10^7
Engineering notation 2.8997906 × 10^6

Prime Factorization of 28997906

Prime Factorization 2 × 49 × 7 × 41 × 1031

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28997906
Product of the distinct prime numbers

The prime factorization of 28997906 is 2 × 49 × 7 × 41 × 1031. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 3, 2, 59, 524, 536, 5891, 1671, 78332, 75729, 196284, 618340, 4534048, 1452517, 54118234, 92113513, 766494328, 550556751, 4207778424, 1378154832

Basic calculations (n = 28997906)

Multiplication

n×y
n×2 57995812
n×3 86993718
n×4 115991624
n×5 144989530

Division

n÷y
n÷2 14498953
n÷3 9665968.6666667
n÷3 7249476.5
n÷5 5799581.2

Exponentiation

ny
n2 840878552384836
n3 2.4383717219472E+22
n4 7.0707673986082E+29
n5 2.050374483727E+37

Nth Root

y√n
2√n 5384.9703806056
3√n 307.22428764182
4√n 73.382357420606
5√n 31.079450205568

Divisors of 28997906

1, 2, 7, 14, 41, 49, 82, 98, 287, 343, 574, 686, 1031, 2009, 2062, 4018, 7217, 14063, 14434, 28126, 42271, 50519, 84542, 101038, 295897, 353633, 591794, 707266, 2071279, 4142558, 14498953, 28997906

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28997905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28997906 can be divided by 32 positive divisors. The sum of these divisors (counting 28997906) is 1, the average is 0.03125.

Base conversion 28997906

Base System Value
2 Binary 1101110100111100100010010
3 Ternary 2000120020122112
4 Quaternary 1232213210102
5 Quinary 24410413111
6 Senary 2513305322
8 Octal 156474422
10 Decimal 28997906
12 Duodecimal 9865242
16 Hexadecimal 1ba7912
20 Vigesimal 914ef6
36 Base36 h9ixe

Cryptographic Hash Functions

md5 90636abd8708c20180c760f87982eeb0
sha1 dfe38aba278153adad1823383f023894612362be
sha256 1143049093ef28a34abc8271409fbd8991a8218426b3b9afed6245531b1640b4
sha512 3e0d0e78dd94303b786699f891411646a5f431e0d7708ef8076c4d31b12203bbf38cea8814e894b64122c55c0c38a4ef7b41386bf638f7183524401a2377e216
ripemd-160 18fb7ff304e761956703bbd5752bd0820abcedfc

28997906 as geometric shapes

Circle

Radius = n
Diameter 57995812
Circumference 182199216.91817
Area 2.6416978827334E+15

Sphere

Radius = n
Volume 1.021382758452E+23
Surface area 1.0566791530934E+16
Circumference 182199216.91817

Square

Length = n
Perimeter 115991624
Area 840878552384836
Diagonal 41009231.94562

Cube

Length = n
Surface area 5045271314309016
Volume 2.4383717219472E+22
Space diagonal 50225846.505106

Equilateral Triangle

Length = n
Perimeter 86993718
Area 3.6411109393138E+14
Altitude 25112923.252553

Triangular Pyramid

Length = n
Surface area 3.6411109393138E+14
Volume 2.8736486327373E+21
Height 13669743.981873