20121870 (number)

20121870 is an even 8-digits composite number following 20121869 and preceding 20121871. In scientific notation, it is written as 2.0121870 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 5365824 positive integers (up to 20121870) that are relatively prime to 20121870.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121870 × 10^7
Engineering notation 2.0121870 × 10^6

Prime Factorization of 20121870

Prime Factorization 2 × 5 × 3 × 670729

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121870
Product of the distinct prime numbers

The prime factorization of 20121870 is 2 × 5 × 3 × 670729. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 6, 65, 682, 844, 765, 3897, 13681, 62313, 651251, 708463, 57253, 2045063, 35993681, 14600179, 435246285, 306996589, 8331138531, 8411585299

Basic calculations (n = 20121870)

Multiplication

n×y
n×2 40243740
n×3 60365610
n×4 80487480
n×5 100609350

Division

n÷y
n÷2 10060935
n÷3 6707290
n÷3 5030467.5
n÷5 4024374

Exponentiation

ny
n2 404889652296900
n3 8.1471369478634E+21
n4 1.639356305371E+29
n5 3.2986914460356E+36

Nth Root

y√n
2√n 4485.7407415052
3√n 271.991989023
4√n 66.975672758885
5√n 28.889077088054

Divisors of 20121870

1, 2, 3, 5, 6, 10, 15, 30, 670729, 1341458, 2012187, 3353645, 4024374, 6707290, 10060935, 20121870

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 -20121869
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 20121870 can be divided by 16 positive divisors. The sum of these divisors (counting 20121870) is 1, the average is 0.0625.

Base conversion 20121870

Base System Value
2 Binary 1001100110000100100001110
3 Ternary 1101212022000110
4 Quaternary 1030300210032
5 Quinary 20122344440
6 Senary 1555140450
8 Octal 114604416
10 Decimal 20121870
12 Duodecimal 68a4726
16 Hexadecimal 133090e
20 Vigesimal 65f4da
36 Base36 bza4u

Cryptographic Hash Functions

md5 74fa4d61250960742159c419c6cb8c80
sha1 1d3ac009c4eaf69c31fcd5747ab9d35b1c06dc04
sha256 bd658d988c17eaa3955e692dfe5194e4a845a5678f141465e6f728e1c1a56954
sha512 c3a4f8f940fda0495bfe5f359426d48eb66cf80f1d13dfb3e28abf69758525c60f3efef5af3371baf27e1edbb960c4beede9c10bd1f5901132aee753c1be079b
ripemd-160 af0c168d96f3cf01e6cd7c01aa1a6470006ff732

20121870 as geometric shapes

Circle

Radius = n
Diameter 40243740
Circumference 126429437.93698
Area 1.2719983571705E+15

Sphere

Radius = n
Volume 3.4126647444264E+22
Surface area 5.0879934286819E+15
Circumference 126429437.93698

Square

Length = n
Perimeter 80487480
Area 404889652296900
Diagonal 28456621.454308

Cube

Length = n
Surface area 2429337913781400
Volume 8.1471369478634E+21
Space diagonal 34852101.183296

Equilateral Triangle

Length = n
Perimeter 60365610
Area 1.7532236230928E+14
Altitude 17426050.591648

Triangular Pyramid

Length = n
Surface area 1.7532236230928E+14
Volume 9.6014929718162E+20
Height 9485540.4847694