20121885 (number)

20121885 is an odd 8-digits composite number following 20121884 and preceding 20121886. In scientific notation, it is written as 2.0121885 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 9066816 positive integers (up to 20121885) that are relatively prime to 20121885.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand eight hundred eighty-five

Notation

Scientific notation 2.0121885 × 10^7
Engineering notation 2.0121885 × 10^6

Prime Factorization of 20121885

Prime Factorization 135 × 7 × 199 × 107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121885
Product of the distinct prime numbers

The prime factorization of 20121885 is 135 × 7 × 199 × 107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 52, 61, 989, 92, 5213, 3078, 30454, 86324, 1245, 388216, 3846927, 175386, 59858038, 10371522, 424586803, 551917954, 4678073093, 7451845215

Basic calculations (n = 20121885)

Multiplication

n×y
n×2 40243770
n×3 60365655
n×4 80487540
n×5 100609425

Division

n÷y
n÷2 10060942.5
n÷3 6707295
n÷3 5030471.25
n÷5 4024377

Exponentiation

ny
n2 404890255953225
n3 8.1471551679114E+21
n4 1.6393611936587E+29
n5 3.2987037412263E+36

Nth Root

y√n
2√n 4485.7424134696
3√n 271.99205660915
4√n 66.975685240762
5√n 28.889081395169

Divisors of 20121885

1, 7, 107, 135, 199, 749, 945, 1393, 14445, 21293, 26865, 101115, 149051, 188055, 2874555, 20121885

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 -20121884
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 20121885 can be divided by 16 positive divisors. The sum of these divisors (counting 20121885) is 1, the average is 0.0625.

Base conversion 20121885

Base System Value
2 Binary 1001100110000100100011101
3 Ternary 1101212022001000
4 Quaternary 1030300210131
5 Quinary 20122400020
6 Senary 1555140513
8 Octal 114604435
10 Decimal 20121885
12 Duodecimal 68a4739
16 Hexadecimal 133091d
20 Vigesimal 65f4e5
36 Base36 bza59

Cryptographic Hash Functions

md5 141661f79d8222f2b01a98cd81ed2f6b
sha1 8c5235765e461aa70239a8aa75fbc41745a061ea
sha256 773e37e570fae69676d8b804b3da819f811a4cc7415266429417c04b2f702252
sha512 57d05d67d2807bde230d58f187203c8ccc711ce3ea6e38d6683c3581af464863c90e7d4c52664a7c50210bb2d389d2fc112ee04a8af12069fcd365e8f222495c
ripemd-160 ca8753df9bae7ce29e5e41c7e3a1b4a71dae9bcb

20121885 as geometric shapes

Circle

Radius = n
Diameter 40243770
Circumference 126429532.18476
Area 1.2720002536127E+15

Sphere

Radius = n
Volume 3.4126723764222E+22
Surface area 5.088001014451E+15
Circumference 126429532.18476

Square

Length = n
Perimeter 80487540
Area 404890255953225
Diagonal 28456642.667512

Cube

Length = n
Surface area 2429341535719350
Volume 8.1471551679114E+21
Space diagonal 34852127.164058

Equilateral Triangle

Length = n
Perimeter 60365655
Area 1.7532262370014E+14
Altitude 17426063.582029

Triangular Pyramid

Length = n
Surface area 1.7532262370014E+14
Volume 9.6015144443486E+20
Height 9485547.5558372