20457440 (number)

20457440 is an even 8-digits composite number following 20457439 and preceding 20457441. In scientific notation, it is written as 2.0457440 × 10^7. The sum of its digits is 26. It has a total of 7 prime factors and 24 positive divisors. There are 8182912 positive integers (up to 20457440) that are relatively prime to 20457440.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-seven thousand four hundred forty

Notation

Scientific notation 2.0457440 × 10^7
Engineering notation 2.0457440 × 10^6

Prime Factorization of 20457440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 127859

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1278590
Product of the distinct prime numbers

The prime factorization of 20457440 is 2 × 2 × 2 × 2 × 2 × 5 × 127859. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 2, 30, 34, 327, 675, 5707, 9354, 53312, 37045, 53977, 669063, 30427, 1720464, 39465941, 62448991, 565231436, 674204564, 5900401833, 6778707891

Basic calculations (n = 20457440)

Multiplication

n×y
n×2 40914880
n×3 61372320
n×4 81829760
n×5 102287200

Division

n÷y
n÷2 10228720
n÷3 6819146.6666667
n÷3 5114360
n÷5 4091488

Exponentiation

ny
n2 418506851353600
n3 8.5615788011552E+21
n4 1.751479846299E+29
n5 3.5830793866872E+36

Nth Root

y√n
2√n 4522.9901613866
3√n 273.49565347076
4√n 67.253179563398
5√n 28.984796610135

Divisors of 20457440

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127859, 255718, 511436, 639295, 1022872, 1278590, 2045744, 2557180, 4091488, 5114360, 10228720, 20457440

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20457439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20457440 can be divided by 24 positive divisors. The sum of these divisors (counting 20457440) is 1, the average is 0.041666666666667.

Base conversion 20457440

Base System Value
2 Binary 1001110000010011111100000
3 Ternary 1102111100022222
4 Quaternary 1032002133200
5 Quinary 20214114230
6 Senary 2010250212
8 Octal 116023740
10 Decimal 20457440
12 Duodecimal 6a26968
16 Hexadecimal 13827e0
20 Vigesimal 67h3c0
36 Base36 c6h28

Cryptographic Hash Functions

md5 7f006fd60c7219fbf63d5bc28af4cdfc
sha1 9288f3038b5eae4de75a6f41a974fad6f08d718b
sha256 b387351b1b5690b9cc3bc507909f87d74bfe476932b9641e95497d8d3a7e8a3d
sha512 d2d278dc3ce669b062ff32ac49e942386e5e98be687e59d7bb63271973ad44f8f863392b9c19838865634b73531eb9a97e5c9dc706bb4c8e2dd82f9425909430
ripemd-160 bf69b8123a6a513683938483634ddc967d2744f7

20457440 as geometric shapes

Circle

Radius = n
Diameter 40914880
Circumference 128537886.43051
Area 1.3147780496895E+15

Sphere

Radius = n
Volume 3.5862657419786E+22
Surface area 5.2591121987579E+15
Circumference 128537886.43051

Square

Length = n
Perimeter 81829760
Area 418506851353600
Diagonal 28931189.099434

Cube

Length = n
Surface area 2511041108121600
Volume 8.5615788011552E+21
Space diagonal 35433325.472792

Equilateral Triangle

Length = n
Perimeter 61372320
Area 1.8121878246503E+14
Altitude 17716662.736396

Triangular Pyramid

Length = n
Surface area 1.8121878246503E+14
Volume 1.0089917379933E+21
Height 9643729.6998113