20921648 (number)

20921648 is an even 8-digits composite number following 20921647 and preceding 20921649. In scientific notation, it is written as 2.0921648 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors. There are 9509760 positive integers (up to 20921648) that are relatively prime to 20921648.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921648 × 10^7
Engineering notation 2.0921648 × 10^6

Prime Factorization of 20921648

Prime Factorization 2 × 2 × 2 × 2 × 11 × 118873

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2615206
Product of the distinct prime numbers

The prime factorization of 20921648 is 2 × 2 × 2 × 2 × 11 × 118873. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 4, 96, 79, 771, 798, 3489, 3606, 82120, 65788, 355041, 425886, 2186362, 1040, 65192269, 33680459, 832015119, 674045448, 4242714902, 7009527365

Basic calculations (n = 20921648)

Multiplication

n×y
n×2 41843296
n×3 62764944
n×4 83686592
n×5 104608240

Division

n÷y
n÷2 10460824
n÷3 6973882.6666667
n÷3 5230412
n÷5 4184329.6

Exponentiation

ny
n2 437715355035904
n3 9.1577265822562E+21
n4 1.9159473203421E+29
n5 4.008477542274E+36

Nth Root

y√n
2√n 4574.0188018853
3√n 275.54886743315
4√n 67.631492678228
5√n 29.115159806289

Divisors of 20921648

1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 118873, 237746, 475492, 950984, 1307603, 1901968, 2615206, 5230412, 10460824, 20921648

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921647
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921648 can be divided by 20 positive divisors. The sum of these divisors (counting 20921648) is 1, the average is 0.05.

Base conversion 20921648

Base System Value
2 Binary 1001111110011110100110000
3 Ternary 1110100221002212
4 Quaternary 1033303310300
5 Quinary 20323443043
6 Senary 2024231252
8 Octal 117636460
10 Decimal 20921648
12 Duodecimal 700b528
16 Hexadecimal 13f3d30
20 Vigesimal 6af428
36 Base36 cgf8w

Cryptographic Hash Functions

md5 87fe90cf5153efa2b5c730d81e1ea1b9
sha1 93d5803fadaffdfcbb22fc9c2e0d96f94b13815d
sha256 b3b26c82a93b1d78ae0b401bcc16d537a661100fe9ba4629f05c6c3677142124
sha512 2d42ec98b09220b1a03f531dae827ae822425343b102f8601022aebcda54a456550c2fe4c8749e8992629a698bf591ee0c37525b9ece32a468375b78d99d8b88
ripemd-160 616b1bb84a6c4921d061da395dc0933b77b424ac

20921648 as geometric shapes

Circle

Radius = n
Diameter 41843296
Circumference 131454591.31558
Area 1.3751233437442E+15

Sphere

Radius = n
Volume 3.8359795405867E+22
Surface area 5.500493374977E+15
Circumference 131454591.31558

Square

Length = n
Perimeter 83686592
Area 437715355035904
Diagonal 29587678.348796

Cube

Length = n
Surface area 2626292130215424
Volume 9.1577265822562E+21
Space diagonal 36237357.314072

Equilateral Triangle

Length = n
Perimeter 62764944
Area 1.8953630854381E+14
Altitude 18118678.657036

Triangular Pyramid

Length = n
Surface area 1.8953630854381E+14
Volume 1.0792484277609E+21
Height 9862559.4495986