28006979 (number)

28006979 is an odd 8-digits composite number following 28006978 and preceding 28006980. In scientific notation, it is written as 2.8006979 × 10^7. The sum of its digits is 41. It has a total of 6 prime factors and 32 positive divisors. There are 20109600 positive integers (up to 28006979) that are relatively prime to 28006979.

Interesting facts

Basic properties

Name

Name twenty-eight million six thousand nine hundred seventy-nine

Notation

Scientific notation 2.8006979 × 10^7
Engineering notation 2.8006979 × 10^6

Prime Factorization of 28006979

Prime Factorization 11 × 7 × 7 × 13 × 7 × 571

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 571571
Product of the distinct prime numbers

The prime factorization of 28006979 is 11 × 7 × 7 × 13 × 7 × 571. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 3, 92, 26, 280, 494, 4526, 735, 39944, 32682, 837131, 862089, 967676, 3649396, 24660303, 88270181, 816830441, 324135081, 9277103700, 5079033382

Basic calculations (n = 28006979)

Multiplication

n×y
n×2 56013958
n×3 84020937
n×4 112027916
n×5 140034895

Division

n÷y
n÷2 14003489.5
n÷3 9335659.6666667
n÷3 7001744.75
n÷5 5601395.8

Exponentiation

ny
n2 784390872706441
n3 2.1968418699681E+22
n4 6.1526904118517E+29
n5 1.7231827115823E+37

Nth Root

y√n
2√n 5292.1620345564
3√n 303.68412408512
4√n 72.747247608115
5√n 30.864074112362

Divisors of 28006979

1, 7, 11, 13, 49, 77, 91, 143, 343, 539, 571, 637, 1001, 3773, 3997, 4459, 6281, 7007, 7423, 27979, 43967, 49049, 51961, 81653, 195853, 307769, 363727, 571571, 2154383, 2546089, 4000997, 28006979

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 -28006978
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 28006979 can be divided by 32 positive divisors. The sum of these divisors (counting 28006979) is 1, the average is 0.03125.

Base conversion 28006979

Base System Value
2 Binary 1101010110101101001000011
3 Ternary 1221200220100112
4 Quaternary 1222311221003
5 Quinary 24132210404
6 Senary 2440141535
8 Octal 152655103
10 Decimal 28006979
12 Duodecimal 94678ab
16 Hexadecimal 1ab5a43
20 Vigesimal 8f0h8j
36 Base36 goabn

Cryptographic Hash Functions

md5 f5e7f3b0749efdfe23714356e386de32
sha1 18801a953add944a43cbc41756d8b10f5103448c
sha256 5062ffb9cf67b256d60364cb54cdfe8c85bff29052284d95475af60753e14501
sha512 6a7c3bfec7f7f1a5a058ddcb96152f028160f0c2e8feb5959606959cbfe80c876a33d43057dc52cb31bb104b761154a8cc6c4218099ed17d8e5e1ba49938a34b
ripemd-160 eb9f187aa8d94b1c77172847ddbaff13ae4113a6

28006979 as geometric shapes

Circle

Radius = n
Diameter 56013958
Circumference 175973038.95129
Area 2.4642366032374E+15

Sphere

Radius = n
Volume 9.202109706387E+22
Surface area 9.8569464129498E+15
Circumference 175973038.95129

Square

Length = n
Perimeter 112027916
Area 784390872706441
Diagonal 39607849.542898

Cube

Length = n
Surface area 4706345236238646
Volume 2.1968418699681E+22
Space diagonal 48509510.594515

Equilateral Triangle

Length = n
Perimeter 84020937
Area 3.3965121113021E+14
Altitude 24254755.297257

Triangular Pyramid

Length = n
Surface area 3.3965121113021E+14
Volume 2.589002972415E+21
Height 13202616.514299