20998640 (number)

20998640 is an even 8-digits composite number following 20998639 and preceding 20998641. In scientific notation, it is written as 2.0998640 × 10^7. The sum of its digits is 38. It has a total of 7 prime factors and 40 positive divisors. There are 7603200 positive integers (up to 20998640) that are relatively prime to 20998640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0998640 × 10^7
Engineering notation 2.0998640 × 10^6

Prime Factorization of 20998640

Prime Factorization 2 × 2 × 2 × 2 × 65 × 61 × 331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2624830
Product of the distinct prime numbers

The prime factorization of 20998640 is 2 × 2 × 2 × 2 × 65 × 61 × 331. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 3, 52, 73, 974, 844, 6292, 8262, 95104, 40293, 722620, 822568, 7985352, 7042202, 11120968, 7303738, 623871650, 392392119, 3489997390, 7849744940

Basic calculations (n = 20998640)

Multiplication

n×y
n×2 41997280
n×3 62995920
n×4 83994560
n×5 104993200

Division

n÷y
n÷2 10499320
n÷3 6999546.6666667
n÷3 5249660
n÷5 4199728

Exponentiation

ny
n2 440942881849600
n3 9.2592008365223E+21
n4 1.9443062505383E+29
n5 4.0827787004804E+36

Nth Root

y√n
2√n 4582.4273043879
3√n 275.88646173671
4√n 67.693628240684
5√n 29.136557183309

Divisors of 20998640

1, 2, 4, 8, 16, 61, 65, 122, 130, 244, 260, 331, 488, 520, 662, 976, 1040, 1324, 2648, 3965, 5296, 7930, 15860, 20191, 21515, 31720, 40382, 43030, 63440, 80764, 86060, 161528, 172120, 323056, 344240, 1312415, 2624830, 5249660, 10499320, 20998640

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20998639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20998640 can be divided by 40 positive divisors. The sum of these divisors (counting 20998640) is 1, the average is 0.025.

Base conversion 20998640

Base System Value
2 Binary 1010000000110100111110000
3 Ternary 1110111211201102
4 Quaternary 1100012213300
5 Quinary 20333424030
6 Senary 2030023532
8 Octal 120064760
10 Decimal 20998640
12 Duodecimal 7047ba8
16 Hexadecimal 14069f0
20 Vigesimal 6b4gc0
36 Base36 ci2nk

Cryptographic Hash Functions

md5 4c34878a9123466448ca002df42397d1
sha1 b5d987e3357071e6d1f28be33858fa9171b0b512
sha256 04e9592812e44ddd2cb9ba7fb9f9312bd3dd8e59ba0637c5ebbf636717cff673
sha512 3d9577047afecbba6ebfe1cde0baadf49f973d0c57cf9fb661cc9145b45e1bd5b8a487ee7bdc370e60ac0dee3bb013da9ad2ca3a0ae727b377f13c3bf4115811
ripemd-160 e547348f375242e63e5e132dca6286f7054ad526

20998640 as geometric shapes

Circle

Radius = n
Diameter 41997280
Circumference 131938346.31875
Area 1.3852629182714E+15

Sphere

Radius = n
Volume 3.8784849768174E+22
Surface area 5.5410516730857E+15
Circumference 131938346.31875

Square

Length = n
Perimeter 83994560
Area 440942881849600
Diagonal 29696561.47939

Cube

Length = n
Surface area 2645657291097600
Volume 9.2592008365223E+21
Space diagonal 36370711.369848

Equilateral Triangle

Length = n
Perimeter 62995920
Area 1.9093386864984E+14
Altitude 18185355.684924

Triangular Pyramid

Length = n
Surface area 1.9093386864984E+14
Volume 1.0912072833122E+21
Height 9898853.8264634