20121690 (number)

20121690 is an even 8-digits composite number following 20121689 and preceding 20121691. In scientific notation, it is written as 2.0121690 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 5300480 positive integers (up to 20121690) that are relatively prime to 20121690.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand six hundred ninety

Notation

Scientific notation 2.0121690 × 10^7
Engineering notation 2.0121690 × 10^6

Prime Factorization of 20121690

Prime Factorization 2 × 3 × 5 × 83 × 8081

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20121690
Product of the distinct prime numbers

The prime factorization of 20121690 is 2 × 3 × 5 × 83 × 8081. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 9, 53, 79, 787, 188, 8325, 1361, 56459, 18272, 144270, 939092, 4303800, 3154481, 29515346, 48800676, 823205794, 912468243, 8504840342, 8806228774

Basic calculations (n = 20121690)

Multiplication

n×y
n×2 40243380
n×3 60365070
n×4 80486760
n×5 100608450

Division

n÷y
n÷2 10060845
n÷3 6707230
n÷3 5030422.5
n÷5 4024338

Exponentiation

ny
n2 404882408456100
n3 8.146918309407E+21
n4 1.6392976467721E+29
n5 3.2985439066078E+36

Nth Root

y√n
2√n 4485.7206778844
3√n 271.99117798665
4√n 66.975522975819
5√n 28.889025402475

Divisors of 20121690

1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8081, 16162, 24243, 40405, 48486, 80810, 121215, 242430, 670723, 1341446, 2012169, 3353615, 4024338, 6707230, 10060845, 20121690

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121689
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121690 can be divided by 32 positive divisors. The sum of these divisors (counting 20121690) is 1, the average is 0.03125.

Base conversion 20121690

Base System Value
2 Binary 1001100110000100001011010
3 Ternary 1101212021202210
4 Quaternary 1030300201122
5 Quinary 20122343230
6 Senary 1555135550
8 Octal 114604132
10 Decimal 20121690
12 Duodecimal 68a45b6
16 Hexadecimal 133085a
20 Vigesimal 65f44a
36 Base36 bz9zu

Cryptographic Hash Functions

md5 2bb207919c9fbd4ffc4e7f18d9cb154f
sha1 1c4c449d44d7a24538f203e655676efc42320f5a
sha256 2510fb007269a65d09f06c017742812c477e9a79274e83ca8abf733b679a1b75
sha512 9c0951bac6305dc259414b64a7cfde0a7d652baf3d060ef38b6780c5c35da43ef24cc6967cb2d107c2a2e8d4a460f4d193588eba5f079fd4e2dd7bcc59709e89
ripemd-160 1bd1fc7ffebe42d5b175f31295a932a7f8e437b4

20121690 as geometric shapes

Circle

Radius = n
Diameter 40243380
Circumference 126428306.96362
Area 1.2719755999734E+15

Sphere

Radius = n
Volume 3.4125731613639E+22
Surface area 5.0879023998937E+15
Circumference 126428306.96362

Square

Length = n
Perimeter 80486760
Area 404882408456100
Diagonal 28456366.895867

Cube

Length = n
Surface area 2429294450736600
Volume 8.146918309407E+21
Space diagonal 34851789.414151

Equilateral Triangle

Length = n
Perimeter 60365070
Area 1.7531922563420E+14
Altitude 17425894.707075

Triangular Pyramid

Length = n
Surface area 1.7531922563420E+14
Volume 9.6012353039242E+20
Height 9485455.6319557