Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20121145 (number)

20121145 is an odd 8-digits composite number following 20121144 and preceding 20121146. In scientific notation, it is written as 2.0121145 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 14633520 positive integers (up to 20121145) that are relatively prime to 20121145.

Interesting facts

20121145 has 8 divisors, whose sum is 26340480
The reverse of 20121145 is 54112102
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty million one hundred twenty-one thousand one hundred forty-five

Notation

Scientific notation	2.0121145 × 10^7
Engineering notation	2.0121145 × 10^6

Prime Factorization of 20121145

Prime Factorization 5 × 11 × 365839

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121145	Product of the distinct prime numbers

The prime factorization of 20121145 is 5 × 11 × 365839. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 77, 60, 81, 909, 7508, 2650, 91071, 62050, 315298, 586500, 47833, 9650684, 85248057, 11471259, 201795963, 286074760, 7379115243, 6767660705

Basic calculations (n = 20121145)

Multiplication

n×y

n×2	40242290
n×3	60363435
n×4	80484580
n×5	100605725

Division

n÷y

n÷2	10060572.5
n÷3	6707048.3333333
n÷3	5030286.25
n÷5	4024229

Exponentiation

n^y

n²	404860476111025
n³	8.146256344599E+21
n⁴	1.6391200511685E+29
n⁵	3.2980972221968E+36

Nth Root

^y√n

²√n	4485.659929152
³√n	271.98872231932
⁴√n	66.975069459852
⁵√n	28.888868907773

Divisors of 20121145

1, 5, 11, 55, 365839, 1829195, 4024229, 20121145

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20121144	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121145 can be divided by 8 positive divisors. The sum of these divisors (counting 20121145) is 1, the average is 0.125.

Base conversion 20121145

Base	System	Value
2	Binary	1001100110000011000111001
3	Ternary	1101212021000121
4	Quaternary	1030300120321
5	Quinary	20122334040
6	Senary	1555133241
8	Octal	114603071
10	Decimal	20121145
12	Duodecimal	68a4221
16	Hexadecimal	1330639
20	Vigesimal	65f2h5
36	Base36	bz9kp

Cryptographic Hash Functions

md5	21f65054efc059d41e02d30776af7ebd
sha1	1de952320b2227f8b823526d06e4e99aa9a67063
sha256	a74d125a79cacf0b2d7463e3a97bd39c7bd43e612488ed01b489444ae5ea68c1
sha512	36e82e7883c074cc5e678865acb1f60cbd0934f8a9cdb82f8ecbc4a05895b2cf07994eb5ade36420407edaa6451a1fae361a7b9aaace8003a2bfb313d26c113b
ripemd-160	367881a2c93b79f16dc0f28ee25e169b4d2e3062

20121145 as geometric shapes

Circle

Radius = n

Diameter	40242290
Circumference	126424882.62763
Area	1.2719066974793E+15

Sphere

Radius = n

Volume	3.4122958781935E+22
Surface area	5.087626789917E+15
Circumference	126424882.62763

Square

Length = n

Perimeter	80484580
Area	404860476111025
Diagonal	28455596.149476

Cube

Length = n

Surface area	2429162856666150
Volume	8.146256344599E+21
Space diagonal	34850845.44646

Equilateral Triangle

Length = n

Perimeter	60363435
Area	1.7530972865021E+14
Altitude	17425422.72323

Triangular Pyramid

Length = n

Surface area	1.7530972865021E+14
Volume	9.6004551709164E+20
Height	9485198.7164919