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

20121957 (number)

20121957 is an odd 8-digits composite number following 20121956 and preceding 20121958. In scientific notation, it is written as 2.0121957 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 13414632 positive integers (up to 20121957) that are relatively prime to 20121957.

Interesting facts

20121957 has 6 divisors, whose sum is 29065062
The reverse of 20121957 is 75912102
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty million one hundred twenty-one thousand nine hundred fifty-seven

Notation

Scientific notation	2.0121957 × 10^7
Engineering notation	2.0121957 × 10^6

Prime Factorization of 20121957

Prime Factorization 3 × 3 × 2235773

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	6707319	Product of the distinct prime numbers

The prime factorization of 20121957 is 3 × 3 × 2235773. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 36, 29, 219, 808, 7877, 1713, 42991, 7425, 427777, 528427, 3456812, 2855637, 84456331, 87803899, 821799560, 741217247, 261898742, 8230926853

Basic calculations (n = 20121957)

Multiplication

n×y

n×2	40243914
n×3	60365871
n×4	80487828
n×5	100609785

Division

n÷y

n÷2	10060978.5
n÷3	6707319
n÷3	5030489.25
n÷5	4024391.4

Exponentiation

n^y

n²	404893153509849
n³	8.1472426245196E+21
n⁴	1.6393846575915E+29
n⁵	3.2987627586516E+36

Nth Root

^y√n

²√n	4485.7504388898
³√n	271.99238102217
⁴√n	66.975745153673
⁵√n	28.889102069284

Divisors of 20121957

1, 3, 9, 2235773, 6707319, 20121957

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20121956	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121957 can be divided by 6 positive divisors. The sum of these divisors (counting 20121957) is 1, the average is 0.16666666666667.

Base conversion 20121957

Base	System	Value
2	Binary	1001100110000100101100101
3	Ternary	1101212022010200
4	Quaternary	1030300211211
5	Quinary	20122400312
6	Senary	1555141113
8	Octal	114604545
10	Decimal	20121957
12	Duodecimal	68a4799
16	Hexadecimal	1330965
20	Vigesimal	65f4hh
36	Base36	bza79

Cryptographic Hash Functions

md5	fdaa05c25700852349ca3ee85a5e5ae0
sha1	954d807659afed73d730b363607056c8092554a0
sha256	0571eb902803602fdb85b87582cdf3d5bab9ff9a58ed89d24fe1c5ce251604c7
sha512	c963b1d09b6318068c174cc3e180bcb6822919cab0d2fc8372507dca02e50ea9a04489aa504b21340b92b97e579010805d790b0a9d7d223bb411b8f519016579
ripemd-160	ed128b837cc0781ad93759262051a148c9fc491f

20121957 as geometric shapes

Circle

Radius = n

Diameter	40243914
Circumference	126429984.5741
Area	1.2720093565553E+15

Sphere

Radius = n

Volume	3.4127090101606E+22
Surface area	5.0880374262214E+15
Circumference	126429984.5741

Square

Length = n

Perimeter	80487828
Area	404893153509849
Diagonal	28456744.490888

Cube

Length = n

Surface area	2429358921059094
Volume	8.1472426245196E+21
Space diagonal	34852251.871716

Equilateral Triangle

Length = n

Perimeter	60365871
Area	1.7532387837896E+14
Altitude	17426125.935858

Triangular Pyramid

Length = n

Surface area	1.7532387837896E+14
Volume	9.6016175129498E+20
Height	9485581.4969627