20291387 (number)

20291387 is an odd 8-digits composite number following 20291386 and preceding 20291388. In scientific notation, it is written as 2.0291387 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 18170880 positive integers (up to 20291387) that are relatively prime to 20291387.

Interesting facts

Basic properties

Name

Name twenty million two hundred ninety-one thousand three hundred eighty-seven

Notation

Scientific notation 2.0291387 × 10^7
Engineering notation 2.0291387 × 10^6

Prime Factorization of 20291387

Prime Factorization 17 × 29 × 79 × 521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20291387
Product of the distinct prime numbers

The prime factorization of 20291387 is 17 × 29 × 79 × 521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 38, 64, 398, 702, 5089, 2813, 90858, 94623, 139490, 435779, 4917532, 2295528, 57935488, 97567139, 983128340, 80254656, 2043030293, 3909713792

Basic calculations (n = 20291387)

Multiplication

n×y
n×2 40582774
n×3 60874161
n×4 81165548
n×5 101456935

Division

n÷y
n÷2 10145693.5
n÷3 6763795.6666667
n÷3 5072846.75
n÷5 4058277.4

Exponentiation

ny
n2 411740386383769
n3 8.3547835236426E+21
n4 1.6953014577946E+29
n5 3.4400017961773E+36

Nth Root

y√n
2√n 4504.5962083188
3√n 272.75365434021
4√n 67.116288695955
5√n 28.937589179903

Divisors of 20291387

1, 17, 29, 79, 493, 521, 1343, 2291, 8857, 15109, 38947, 41159, 256853, 699703, 1193611, 20291387

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20291386
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20291387 can be divided by 16 positive divisors. The sum of these divisors (counting 20291387) is 1, the average is 0.0625.

Base conversion 20291387

Base System Value
2 Binary 1001101011001111100111011
3 Ternary 1102011220112212
4 Quaternary 1031121330323
5 Quinary 20143311022
6 Senary 2002525335
8 Octal 115317473
10 Decimal 20291387
12 Duodecimal 696684b
16 Hexadecimal 1359f3b
20 Vigesimal 66g897
36 Base36 c2wxn

Cryptographic Hash Functions

md5 937dc09ab0ba1248f8b635a818ba71ce
sha1 f1d137c6ddd81551bde5d2c6a6b3f83bfd7a5a1e
sha256 28de6e600ebf59b23a8d4e8612354f6e3f22352bc6735e1dcc3d55d22f2d695e
sha512 a33c705a5661701c5fc7522825080949fc0a549474cf094bac74458bb36a043c4addecca50b5629cadcf125861f1762c4cc6b306a0b0c7f52ce0899330493b5c
ripemd-160 c9364587108d8f275eda42ac5b6381b056a9ec8e

20291387 as geometric shapes

Circle

Radius = n
Diameter 40582774
Circumference 127494544.66069
Area 1.2935205730495E+15

Sphere

Radius = n
Volume 3.4996435386945E+22
Surface area 5.1740822921979E+15
Circumference 127494544.66069

Square

Length = n
Perimeter 81165548
Area 411740386383769
Diagonal 28696354.694761

Cube

Length = n
Surface area 2470442318302614
Volume 8.3547835236426E+21
Space diagonal 35145713.240043

Equilateral Triangle

Length = n
Perimeter 60874161
Area 1.7828881718618E+14
Altitude 17572856.620021

Triangular Pyramid

Length = n
Surface area 1.7828881718618E+14
Volume 9.8462068081889E+20
Height 9565451.5649204