20121780 (number)

20121780 is an even 8-digits composite number following 20121779 and preceding 20121781. In scientific notation, it is written as 2.0121780 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 4397184 positive integers (up to 20121780) that are relatively prime to 20121780.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121780 × 10^7
Engineering notation 2.0121780 × 10^6

Prime Factorization of 20121780

Prime Factorization 2 × 2 × 105 × 23 × 2083

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10060890
Product of the distinct prime numbers

The prime factorization of 20121780 is 2 × 2 × 105 × 23 × 2083. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 9, 52, 22, 800, 420, 2319, 495, 49453, 40207, 529256, 739905, 4353756, 9263540, 23630104, 82572190, 645947286, 394386443, 9331042383, 8400459961

Basic calculations (n = 20121780)

Multiplication

n×y
n×2 40243560
n×3 60365340
n×4 80487120
n×5 100608900

Division

n÷y
n÷2 10060890
n÷3 6707260
n÷3 5030445
n÷5 4024356

Exponentiation

ny
n2 404886030368400
n3 8.1470276281463E+21
n4 1.6393269758748E+29
n5 3.2986176756618E+36

Nth Root

y√n
2√n 4485.7307097061
3√n 271.99158350543
4√n 66.975597867478
5√n 28.889051245311

Divisors of 20121780

1, 2, 4, 23, 46, 92, 105, 210, 420, 2083, 2415, 4166, 4830, 8332, 9660, 47909, 95818, 191636, 218715, 437430, 874860, 5030445, 10060890, 20121780

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121779
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121780 can be divided by 24 positive divisors. The sum of these divisors (counting 20121780) is 1, the average is 0.041666666666667.

Base conversion 20121780

Base System Value
2 Binary 1001100110000100010110100
3 Ternary 1101212021220010
4 Quaternary 1030300202310
5 Quinary 20122344110
6 Senary 1555140220
8 Octal 114604264
10 Decimal 20121780
12 Duodecimal 68a4670
16 Hexadecimal 13308b4
20 Vigesimal 65f490
36 Base36 bza2c

Cryptographic Hash Functions

md5 aa817d0de3e8cffe6e5205928c37f2b8
sha1 25ba61c002f2fc776b61b087bc65367386445ef9
sha256 87a046211bb0d1c318f04e9b45ac69c37aacba51b458dac1d8294ba8bc09514c
sha512 4f15a1d45924d67b56f2621a7109b117364988577898aa438647fcde1f94de5872cbffdb6c049c0337a2ac0d9c1cbcc90977eeb448c4b28fbd83b26a51c80c1c
ripemd-160 e49ec5f1ec13437d582bfa25511cb1d97233d313

20121780 as geometric shapes

Circle

Radius = n
Diameter 40243560
Circumference 126428872.4503
Area 1.2719869785465E+15

Sphere

Radius = n
Volume 3.4126189526903E+22
Surface area 5.087947914186E+15
Circumference 126428872.4503

Square

Length = n
Perimeter 80487120
Area 404886030368400
Diagonal 28456494.175088

Cube

Length = n
Surface area 2429316182210400
Volume 8.1470276281463E+21
Space diagonal 34851945.298723

Equilateral Triangle

Length = n
Perimeter 60365340
Area 1.7532079396824E+14
Altitude 17425972.649362

Triangular Pyramid

Length = n
Surface area 1.7532079396824E+14
Volume 9.601364137294E+20
Height 9485498.0583626