21557079 (number)

21557079 is an odd 8-digits composite number following 21557078 and preceding 21557080. In scientific notation, it is written as 2.1557079 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 14352000 positive integers (up to 21557079) that are relatively prime to 21557079.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-seven thousand seventy-nine

Notation

Scientific notation 2.1557079 × 10^7
Engineering notation 2.1557079 × 10^6

Prime Factorization of 21557079

Prime Factorization 3 × 3 × 1151 × 2081

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7185693
Product of the distinct prime numbers

The prime factorization of 21557079 is 3 × 3 × 1151 × 2081. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 8, 71, 153, 911, 9627, 2062, 60904, 66315, 494845, 367232, 8632529, 3182214, 88958395, 38169965, 868670835, 697283251, 6160463403, 7362471960

Basic calculations (n = 21557079)

Multiplication

n×y
n×2 43114158
n×3 64671237
n×4 86228316
n×5 107785395

Division

n÷y
n÷2 10778539.5
n÷3 7185693
n÷3 5389269.75
n÷5 4311415.8

Exponentiation

ny
n2 464707655012241
n3 1.0017739631004E+22
n4 2.1595320462698E+29
n5 4.6553202924469E+36

Nth Root

y√n
2√n 4642.9601549012
3√n 278.31074322338
4√n 68.139270284478
5√n 29.289906320499

Divisors of 21557079

1, 3, 9, 1151, 2081, 3453, 6243, 10359, 18729, 2395231, 7185693, 21557079

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21557078
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21557079 can be divided by 12 positive divisors. The sum of these divisors (counting 21557079) is 1, the average is 0.083333333333333.

Base conversion 21557079

Base System Value
2 Binary 1010010001110111101010111
3 Ternary 1111120012202100
4 Quaternary 1102032331113
5 Quinary 21004311304
6 Senary 2050013143
8 Octal 122167527
10 Decimal 21557079
12 Duodecimal 72771b3
16 Hexadecimal 148ef57
20 Vigesimal 6eecdj
36 Base36 cu1jr

Cryptographic Hash Functions

md5 87ffff75e60877ee1d30ab098145a930
sha1 a5a5e68265cfd3ba0c816ec088e14893b77ec10a
sha256 4f49c4b8f1791a6ee17f5c9155214884223f4e605d0ac358648713dbff7bb675
sha512 f7cc3a4374589b717eb2e36b6e62cc45b2c6a8e3d3d2ebb627f08247448bfabf0a1f422dff3e943f8bc0468ebc674f754811679693d73a16441f961a423966d9
ripemd-160 53988bf8c07a294e3f5e17753a2ebf208d9863b3

21557079 as geometric shapes

Circle

Radius = n
Diameter 43114158
Circumference 135447122.03851
Area 1.4599221550534E+15

Sphere

Radius = n
Volume 4.1962209640448E+22
Surface area 5.8396886202136E+15
Circumference 135447122.03851

Square

Length = n
Perimeter 86228316
Area 464707655012241
Diagonal 30486313.486948

Cube

Length = n
Surface area 2788245930073446
Volume 1.0017739631004E+22
Space diagonal 37337956.090776

Equilateral Triangle

Length = n
Perimeter 64671237
Area 2.0122431728685E+14
Altitude 18668978.045388

Triangular Pyramid

Length = n
Surface area 2.0122431728685E+14
Volume 1.1806019375406E+21
Height 10162104.495649