20121807 (number)

20121807 is an odd 8-digits composite number following 20121806 and preceding 20121808. In scientific notation, it is written as 2.0121807 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 13003200 positive integers (up to 20121807) that are relatively prime to 20121807.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121807 × 10^7
Engineering notation 2.0121807 × 10^6

Prime Factorization of 20121807

Prime Factorization 3 × 43 × 151 × 1033

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121807
Product of the distinct prime numbers

The prime factorization of 20121807 is 3 × 43 × 151 × 1033. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 76, 68, 725, 985, 1188, 7334, 27902, 80726, 5200, 473749, 3235647, 8908996, 1559473, 53824426, 694127669, 68930879, 7014999042, 6017500101

Basic calculations (n = 20121807)

Multiplication

n×y
n×2 40243614
n×3 60365421
n×4 80487228
n×5 100609035

Division

n÷y
n÷2 10060903.5
n÷3 6707269
n÷3 5030451.75
n÷5 4024361.4

Exponentiation

ny
n2 404887116945249
n3 8.1470604239587E+21
n4 1.6393357746824E+29
n5 3.2986398066354E+36

Nth Root

y√n
2√n 4485.7337192482
3√n 271.99170516083
4√n 66.975620334926
5√n 28.889058998144

Divisors of 20121807

1, 3, 43, 129, 151, 453, 1033, 3099, 6493, 19479, 44419, 133257, 155983, 467949, 6707269, 20121807

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 -20121806
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 20121807 can be divided by 16 positive divisors. The sum of these divisors (counting 20121807) is 1, the average is 0.0625.

Base conversion 20121807

Base System Value
2 Binary 1001100110000100011001111
3 Ternary 1101212021221010
4 Quaternary 1030300203033
5 Quinary 20122344212
6 Senary 1555140303
8 Octal 114604317
10 Decimal 20121807
12 Duodecimal 68a4693
16 Hexadecimal 13308cf
20 Vigesimal 65f4a7
36 Base36 bza33

Cryptographic Hash Functions

md5 dcb5b8263a8927993174a443747a06fb
sha1 890f0d8f054bade8925a19ad9bd697c4ecfa8d2a
sha256 1c6336ece4cde5a419ac45a596b8d13ad204c50bb87ff59f0911b25d21f232f4
sha512 5fbe5e959c38a9dc377894ae4b41a7f24999d6b590d7a4352a7415bb6a1bdaf044ff5f38700b8c43b3af5a53c7e9d937ad4c2df96f9588f2ebac70f61a9da780
ripemd-160 2b73d4b38f3ad5f83bf3c211fab0a6efee265720

20121807 as geometric shapes

Circle

Radius = n
Diameter 40243614
Circumference 126429042.0963
Area 1.2719903921283E+15

Sphere

Radius = n
Volume 3.4126326901681E+22
Surface area 5.0879615685134E+15
Circumference 126429042.0963

Square

Length = n
Perimeter 80487228
Area 404887116945249
Diagonal 28456532.358854

Cube

Length = n
Surface area 2429322701671494
Volume 8.1470604239587E+21
Space diagonal 34851992.064095

Equilateral Triangle

Length = n
Perimeter 60365421
Area 1.7532126446981E+14
Altitude 17425996.032048

Triangular Pyramid

Length = n
Surface area 1.7532126446981E+14
Volume 9.6014027875296E+20
Height 9485510.7862846