21727720 (number)

21727720 is an even 8-digits composite number following 21727719 and preceding 21727721. In scientific notation, it is written as 2.1727720 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 64 positive divisors. There are 7340544 positive integers (up to 21727720) that are relatively prime to 21727720.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred twenty-seven thousand seven hundred twenty

Notation

Scientific notation 2.1727720 × 10^7
Engineering notation 2.1727720 × 10^6

Prime Factorization of 21727720

Prime Factorization 2 × 2 × 2 × 5 × 7 × 73 × 1063

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5431930
Product of the distinct prime numbers

The prime factorization of 21727720 is 2 × 2 × 2 × 5 × 7 × 73 × 1063. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21727720)

Multiplication

n×y
n×2 43455440
n×3 65183160
n×4 86910880
n×5 108638600

Division

n÷y
n÷2 10863860
n÷3 7242573.3333333
n÷3 5431930
n÷5 4345544

Exponentiation

ny
n2 472093816398400
n3 1.0257522256436E+22
n4 2.2287257148161E+29
n5 4.8425128288323E+36

Nth Root

y√n
2√n 4661.3002477849
3√n 279.04316251755
4√n 68.273715643613
5√n 29.336130655879

Divisors of 21727720

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21727719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21727720 can be divided by 64 positive divisors. The sum of these divisors (counting 21727720) is 1, the average is 0.015625.

Base conversion 21727720

Base System Value
2 Binary 1010010111000100111101000
3 Ternary 1111212212211101
4 Quaternary 1102320213220
5 Quinary 21030241340
6 Senary 2053411144
8 Octal 122704750
10 Decimal 21727720
12 Duodecimal 7339ab4
16 Hexadecimal 14b89e8
20 Vigesimal 6ffj60
36 Base36 cxp7s

Cryptographic Hash Functions

md5 8f28bd9ec5a4151687a3ac1bbc90a171
sha1 6a5fee94d8439ee71da79ef1457098bc3aa0540b
sha256 7820682edbbc5ccd5aa4b96f9b7d9ddd1b7d3b57430143b1435f32b994c64a52
sha512 fb2729abd71e1226985229b5c4a0553cd1942454f77135b7d3728ea5c9518bba366e3511eee6ca03944386e7f8c14a392151c500e40b1668320e24bb7de06f13
ripemd-160 9bbfdaccec0fa3d2583685172943e33aa45f3d5b

21727720 as geometric shapes

Circle

Radius = n
Diameter 43455440
Circumference 136519291.06251
Area 1.4831264654024E+15

Sphere

Radius = n
Volume 4.2966608753137E+22
Surface area 5.9325058616095E+15
Circumference 136519291.06251

Square

Length = n
Perimeter 86910880
Area 472093816398400
Diagonal 30727636.303445

Cube

Length = n
Surface area 2832562898390400
Volume 1.0257522256436E+22
Space diagonal 37633514.97263

Equilateral Triangle

Length = n
Perimeter 65183160
Area 2.0442261898528E+14
Altitude 18816757.486315

Triangular Pyramid

Length = n
Surface area 2.0442261898528E+14
Volume 1.2088605909496E+21
Height 10242545.434482