20403890 (number)

20403890 is an even 8-digits composite number following 20403889 and preceding 20403891. In scientific notation, it is written as 2.0403890 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 32 positive divisors. There are 7084800 positive integers (up to 20403890) that are relatively prime to 20403890.

Interesting facts

Basic properties

Name

Name twenty million four hundred three thousand eight hundred ninety

Notation

Scientific notation 2.0403890 × 10^7
Engineering notation 2.0403890 × 10^6

Prime Factorization of 20403890

Prime Factorization 2 × 1079 × 5 × 31 × 61

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20403890
Product of the distinct prime numbers

The prime factorization of 20403890 is 2 × 1079 × 5 × 31 × 61. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 5, 98, 46, 265, 619, 381, 1298, 70338, 67992, 302603, 654592, 1400397, 5787453, 23485379, 75796387, 177870068, 699466803, 3769785050, 3420337354

Basic calculations (n = 20403890)

Multiplication

n×y
n×2 40807780
n×3 61211670
n×4 81615560
n×5 102019450

Division

n÷y
n÷2 10201945
n÷3 6801296.6666667
n÷3 5100972.5
n÷5 4080778

Exponentiation

ny
n2 416318727132100
n3 8.4945215133434E+21
n4 1.7332128256089E+29
n5 3.5364283840314E+36

Nth Root

y√n
2√n 4517.0665259657
3√n 273.25680817603
4√n 67.209125317666
5√n 28.969606404691

Divisors of 20403890

1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1079, 1891, 2158, 3782, 5395, 9455, 10790, 18910, 33449, 65819, 66898, 131638, 167245, 329095, 334490, 658190, 2040389, 4080778, 10201945, 20403890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20403889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20403890 can be divided by 32 positive divisors. The sum of these divisors (counting 20403890) is 1, the average is 0.03125.

Base conversion 20403890

Base System Value
2 Binary 1001101110101011010110010
3 Ternary 1102101121212122
4 Quaternary 1031311122302
5 Quinary 20210411030
6 Senary 2005154242
8 Octal 115653262
10 Decimal 20403890
12 Duodecimal 69bb982
16 Hexadecimal 13756b2
20 Vigesimal 67a9ea
36 Base36 c5bqq

Cryptographic Hash Functions

md5 d4cee0e5255de2329d237bcb20fb6642
sha1 aadec385de4581d4cd6a249f096665f7346b9eaa
sha256 b1ba2f5f98ef5cafe6e601ac01d425ebe7a3ee55a953abf951a376a90c9e4ae0
sha512 d430aee358a6dbac1728c134276eb1fa7a7fa78f1215e065d1fdc10f3625d06d8bd0bcc71437329d683778ca7b9cc6aeb4eca3ffe4d7eab29ff3c7f762b0cd72
ripemd-160 f97cc3dc05e3cfbbb3a017d2560809118fffd7ab

20403890 as geometric shapes

Circle

Radius = n
Diameter 40807780
Circumference 128201421.85731
Area 1.3079038547101E+15

Sphere

Radius = n
Volume 3.558176850944E+22
Surface area 5.2316154188402E+15
Circumference 128201421.85731

Square

Length = n
Perimeter 81615560
Area 416318727132100
Diagonal 28855457.963169

Cube

Length = n
Surface area 2497912362792600
Volume 8.4945215133434E+21
Space diagonal 35340574.152047

Equilateral Triangle

Length = n
Perimeter 61211670
Area 1.802712968838E+14
Altitude 17670287.076023

Triangular Pyramid

Length = n
Surface area 1.802712968838E+14
Volume 1.0010889608367E+21
Height 9618485.9877229