Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20138542 (number)

20138542 is an even 8-digits composite number following 20138541 and preceding 20138543. In scientific notation, it is written as 2.0138542 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 10001544 positive integers (up to 20138542) that are relatively prime to 20138542.

Interesting facts

20138542 has 8 divisors, whose sum is 30411000
The reverse of 20138542 is 24583102
Previous prime number is 149

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million one hundred thirty-eight thousand five hundred forty-two

Notation

Scientific notation	2.0138542 × 10^7
Engineering notation	2.0138542 × 10^6

Prime Factorization of 20138542

Prime Factorization 2 × 149 × 67579

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20138542	Product of the distinct prime numbers

The prime factorization of 20138542 is 2 × 149 × 67579. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 10, 5, 517, 117, 2394, 6898, 84907, 68987, 303807, 676646, 1200449, 9412428, 21295175, 44999853, 489984850, 850568908, 6333686188, 3725753050

Basic calculations (n = 20138542)

Multiplication

n×y

n×2	40277084
n×3	60415626
n×4	80554168
n×5	100692710

Division

n÷y

n÷2	10069271
n÷3	6712847.3333333
n÷3	5034635.5
n÷5	4027708.4

Exponentiation

n^y

n²	405560873885764
n³	8.1674046923052E+21
n⁴	1.6447962242698E+29
n⁵	3.31237978439E+36

Nth Root

^y√n

²√n	4487.5986897226
³√n	272.06708805075
⁴√n	66.989541644369
⁵√n	28.893862718292

Divisors of 20138542

1, 2, 149, 298, 67579, 135158, 10069271, 20138542

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20138541	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138542 can be divided by 8 positive divisors. The sum of these divisors (counting 20138542) is 1, the average is 0.125.

Base conversion 20138542

Base	System	Value
2	Binary	1001100110100101000101110
3	Ternary	1101220010212221
4	Quaternary	1030310220232
5	Quinary	20123413132
6	Senary	1555345554
8	Octal	114645056
10	Decimal	20138542
12	Duodecimal	68b22ba
16	Hexadecimal	1334a2e
20	Vigesimal	65h672
36	Base36	bzmzy

Cryptographic Hash Functions

md5	3ddc216f4816be4fe65f9594e604c1c1
sha1	40fd0335e04971136fcac0b3076942540bb739e0
sha256	74caf60dc04b746465aa5ad74bc767fa81825f5159d2065a59089efa9d037c3a
sha512	514146acc557449af1144d5bab7ec11975f2ea77f8f76714d0d17eba0041d5a716a0df64e62595bf5eaffd8863827accc10b35ebcbe09c36cb7943d83038db09
ripemd-160	1e040ad2d44a3de1de6875cdebb72ee4c739ab92

20138542 as geometric shapes

Circle

Radius = n

Diameter	40277084
Circumference	126534191.20242
Area	1.274107061983E+15

Sphere

Radius = n

Volume	3.4211544773654E+22
Surface area	5.0964282479319E+15
Circumference	126534191.20242

Square

Length = n

Perimeter	80554168
Area	405560873885764
Diagonal	28480199.22282

Cube

Length = n

Surface area	2433365243314584
Volume	8.1674046923052E+21
Space diagonal	34880977.93436

Equilateral Triangle

Length = n

Perimeter	60415626
Area	1.7561300978304E+14
Altitude	17440488.96718

Triangular Pyramid

Length = n

Surface area	1.7561300978304E+14
Volume	9.6253787377063E+20
Height	9493399.7409401