20047891 (number)

20047891 is an odd 8-digits prime number following 20047890 and preceding 20047892. In scientific notation, it is written as 2.0047891 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 20047890 positive integers (up to 20047891) that are relatively prime to 20047891.

Interesting facts

Basic properties

Name

Name twenty million forty-seven thousand eight hundred ninety-one

Notation

Scientific notation 2.0047891 × 10^7
Engineering notation 2.0047891 × 10^6

Prime Factorization of 20047891

Prime Factorization 20047891

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20047891
Product of the distinct prime numbers

The prime factorization of 20047891 is 20047891. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 4, 3, 16, 744, 720, 7885, 1163, 43128, 21027, 295944, 335588, 451577, 3854550, 61652603, 67284733, 812096927, 454233090, 5006832592, 4503377163

Basic calculations (n = 20047891)

Multiplication

n×y
n×2 40095782
n×3 60143673
n×4 80191564
n×5 100239455

Division

n÷y
n÷2 10023945.5
n÷3 6682630.3333333
n÷3 5011972.75
n÷5 4009578.2

Exponentiation

ny
n2 401917933547881
n3 8.0576069227132E+21
n4 1.615380253074E+29
n5 3.238496723718E+36

Nth Root

y√n
2√n 4477.4871300764
3√n 271.65824924467
4√n 66.914027902051
5√n 28.867803369762

Divisors of 20047891

1, 20047891

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20047892
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10023946
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4477.4872417462
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999002389
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20047891 can be divided by 2 positive divisors. The sum of these divisors (counting 20047891) is 20047892, the average is 10023946.

Base conversion 20047891

Base System Value
2 Binary 1001100011110100000010011
3 Ternary 1101201112112111
4 Quaternary 1030132200103
5 Quinary 20113013031
6 Senary 1553410151
8 Octal 114364023
10 Decimal 20047891
12 Duodecimal 6869957
16 Hexadecimal 131e813
20 Vigesimal 655jeb
36 Base36 bxp1v

Cryptographic Hash Functions

md5 820a586563a4833f600a772f8779b3e0
sha1 ac0a699c077aca1d9e926b9b5f74dd6d7ce5d82f
sha256 ab6c252ed022c46c3ccd5917d7e37d53028fd77c210d3d2bad68ce5391c87026
sha512 7d4f08c722ef38598faecd2fc4fa93fef164387a25464c80be5af5bbecc044ca9f372aaded5e03a387f37c804d1caf23d3a478358522197ad40a12dc0e6500fa
ripemd-160 500798cfce4f4741144464f8bc0384768f068450

20047891 as geometric shapes

Circle

Radius = n
Diameter 40095782
Circumference 125964614.17114
Area 1.26266242738E+15

Sphere

Radius = n
Volume 3.375162495188E+22
Surface area 5.0506497095201E+15
Circumference 125964614.17114

Square

Length = n
Perimeter 80191564
Area 401917933547881
Diagonal 28351999.349178

Cube

Length = n
Surface area 2411507601287286
Volume 8.0576069227132E+21
Space diagonal 34723965.796603

Equilateral Triangle

Length = n
Perimeter 60143673
Area 1.7403557034451E+14
Altitude 17361982.898301

Triangular Pyramid

Length = n
Surface area 1.7403557034451E+14
Volume 9.4959808253102E+20
Height 9450666.4497258