20051388 (number)

20051388 is an even 8-digits composite number following 20051387 and preceding 20051389. In scientific notation, it is written as 2.0051388 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 72 positive divisors. There are 5715360 positive integers (up to 20051388) that are relatively prime to 20051388.

Interesting facts

Basic properties

Name

Name twenty million fifty-one thousand three hundred eighty-eight

Notation

Scientific notation 2.0051388 × 10^7
Engineering notation 2.0051388 × 10^6

Prime Factorization of 20051388

Prime Factorization 2 × 2 × 3 × 81 × 7 × 7 × 421

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1432242
Product of the distinct prime numbers

The prime factorization of 20051388 is 2 × 2 × 3 × 81 × 7 × 7 × 421. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 4, 81, 98, 755, 116, 116, 431, 29176, 52225, 225299, 858843, 17469, 9528313, 24762580, 53437064, 547677204, 109384729, 4514580669, 4958852062

Basic calculations (n = 20051388)

Multiplication

n×y
n×2 40102776
n×3 60154164
n×4 80205552
n×5 100256940

Division

n÷y
n÷2 10025694
n÷3 6683796
n÷3 5012847
n÷5 4010277.6

Exponentiation

ny
n2 402058160726544
n3 8.0618241792943E+21
n4 1.6165076460681E+29
n5 3.2413222016278E+36

Nth Root

y√n
2√n 4477.877622267
3√n 271.67404365196
4√n 66.916945703365
5√n 28.868810395045

Divisors of 20051388

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 81, 84, 98, 147, 162, 196, 243, 294, 324, 421, 486, 567, 588, 842, 972, 1134, 1263, 1684, 1701, 2268, 2526, 2947, 3402, 3969, 5052, 5894, 6804, 7938, 8841, 11788, 11907, 15876, 17682, 20629, 23814, 34101, 35364, 41258, 47628, 61887, 68202, 82516, 102303, 123774, 136404, 204606, 238707, 247548, 409212, 477414, 716121, 954828, 1432242, 1670949, 2864484, 3341898, 5012847, 6683796, 10025694, 20051388

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20051387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20051388 can be divided by 72 positive divisors. The sum of these divisors (counting 20051388) is 1, the average is 0.013888888888889.

Base conversion 20051388

Base System Value
2 Binary 1001100011111010110111100
3 Ternary 1101201201100000
4 Quaternary 1030133112330
5 Quinary 20113121023
6 Senary 1553434300
8 Octal 114372674
10 Decimal 20051388
12 Duodecimal 686b990
16 Hexadecimal 131f5bc
20 Vigesimal 656898
36 Base36 bxrr0

Cryptographic Hash Functions

md5 84efb0437d0de2b7b1f6d2ef62bee2b6
sha1 48f8c96736da09a2ccfb6bc787c90b74ff6c29ef
sha256 aef8c4471b68b6365ba7b82cf5b1a96ab4685ce682655a9575c615fb8c8d4868
sha512 027c90f853cd678098628a852bc4ff177648fc06235300d78d2048708bf699ec45887ac8a78e98e74bb61e5eaa370d4c89ac8866caafca829e6ba227cc897be1
ripemd-160 3cb05eeae66bd9c3054da8993d50edfbd5caba78

20051388 as geometric shapes

Circle

Radius = n
Diameter 40102776
Circumference 125986586.47016
Area 1.2631029640543E+15

Sphere

Radius = n
Volume 3.3769290154938E+22
Surface area 5.0524118562173E+15
Circumference 125986586.47016

Square

Length = n
Perimeter 80205552
Area 402058160726544
Diagonal 28356944.854005

Cube

Length = n
Surface area 2412348964359264
Volume 8.0618241792943E+21
Space diagonal 34730022.778277

Equilateral Triangle

Length = n
Perimeter 60154164
Area 1.7409629049402E+14
Altitude 17365011.389138

Triangular Pyramid

Length = n
Surface area 1.7409629049402E+14
Volume 9.5009509098545E+20
Height 9452314.951335