20205988 (number)

20205988 is an even 8-digits composite number following 20205987 and preceding 20205989. In scientific notation, it is written as 2.0205988 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 9066720 positive integers (up to 20205988) that are relatively prime to 20205988.

Interesting facts

Basic properties

Name

Name twenty million two hundred five thousand nine hundred eighty-eight

Notation

Scientific notation 2.0205988 × 10^7
Engineering notation 2.0205988 × 10^6

Prime Factorization of 20205988

Prime Factorization 2 × 2 × 11 × 79 × 5813

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10102994
Product of the distinct prime numbers

The prime factorization of 20205988 is 2 × 2 × 11 × 79 × 5813. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 2, 36, 42, 314, 987, 9836, 7131, 79569, 83373, 411393, 635300, 9235734, 7290602, 62814198, 92383997, 113986918, 524366654, 4640114476, 846686661

Basic calculations (n = 20205988)

Multiplication

n×y
n×2 40411976
n×3 60617964
n×4 80823952
n×5 101029940

Division

n÷y
n÷2 10102994
n÷3 6735329.3333333
n÷3 5051497
n÷5 4041197.6

Exponentiation

ny
n2 408281951056144
n3 8.249740203657E+21
n4 1.6669415155821E+29
n5 3.3682200260554E+36

Nth Root

y√n
2√n 4495.1071177448
3√n 272.37047627852
4√n 67.045560015148
5√n 28.913190532994

Divisors of 20205988

1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 5813, 11626, 23252, 63943, 127886, 255772, 459227, 918454, 1836908, 5051497, 10102994, 20205988

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 -20205987
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 20205988 can be divided by 24 positive divisors. The sum of these divisors (counting 20205988) is 1, the average is 0.041666666666667.

Base conversion 20205988

Base System Value
2 Binary 1001101000101000110100100
3 Ternary 1102000120101221
4 Quaternary 1031011012210
5 Quinary 20133042423
6 Senary 2001030124
8 Octal 115050644
10 Decimal 20205988
12 Duodecimal 6925344
16 Hexadecimal 13451a4
20 Vigesimal 665ej8
36 Base36 c131g

Cryptographic Hash Functions

md5 746dd0b2e494933a54a678d820bbaa57
sha1 59bd0946f99ea6bb35bbb76b5a8970ff4aad0b38
sha256 045157edba5e56c8f496b66616f4b4c0f44c21539d952622aceaf789a1277845
sha512 65ef9835085566e79d188bfe452cea30b0fe7e03faa26006a14574cc67933221aeb64633c3cd9c4a5a3647bae515f80935fddb762daf93ff12393266ac749284
ripemd-160 6bc97fc9257a0f3f6930b1d41be7ade86132fdee

20205988 as geometric shapes

Circle

Radius = n
Diameter 40411976
Circumference 126957966.91865
Area 1.2826555780313E+15

Sphere

Radius = n
Volume 3.4556430957111E+22
Surface area 5.1306223121252E+15
Circumference 126957966.91865

Square

Length = n
Perimeter 80823952
Area 408281951056144
Diagonal 28575582.270748

Cube

Length = n
Surface area 2449691706336864
Volume 8.249740203657E+21
Space diagonal 34997797.833127

Equilateral Triangle

Length = n
Perimeter 60617964
Area 1.7679127076065E+14
Altitude 17498898.916564

Triangular Pyramid

Length = n
Surface area 1.7679127076065E+14
Volume 9.7224120683886E+20
Height 9525194.0902493