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

20121947 (number)

20121947 is an odd 8-digits prime number following 20121946 and preceding 20121948. In scientific notation, it is written as 2.0121947 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 20121946 positive integers (up to 20121947) that are relatively prime to 20121947.

Interesting facts

20121947 has 2 divisors, whose sum is 20121948
The reverse of 20121947 is 74912102
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

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

Notation

Scientific notation	2.0121947 × 10^7
Engineering notation	2.0121947 × 10^6

Prime Factorization of 20121947

Prime Factorization 20121947

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20121947	Product of the distinct prime numbers

The prime factorization of 20121947 is 20121947. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 7, 33, 28, 890, 647, 5530, 6380, 82471, 11616, 754795, 74981, 4583079, 361722, 8607422, 50261166, 434215853, 655132478, 436624318, 9631287968

Basic calculations (n = 20121947)

Multiplication

n×y

n×2	40243894
n×3	60365841
n×4	80487788
n×5	100609735

Division

n÷y

n÷2	10060973.5
n÷3	6707315.6666667
n÷3	5030486.75
n÷5	4024389.4

Exponentiation

n^y

n²	404892751070809
n³	8.147230477731E+21
n⁴	1.6393813986969E+29
n⁵	3.2987545617365E+36

Nth Root

^y√n

²√n	4485.749324249
³√n	271.99233596485
⁴√n	66.975736832445
⁵√n	28.889099197883

Divisors of 20121947

1, 20121947

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20121948	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10060974	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4485.7494357131	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.999999900606	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121947 can be divided by 2 positive divisors. The sum of these divisors (counting 20121947) is 20121948, the average is 10060974.

Base conversion 20121947

Base	System	Value
2	Binary	1001100110000100101011011
3	Ternary	1101212022010022
4	Quaternary	1030300211123
5	Quinary	20122400242
6	Senary	1555141055
8	Octal	114604533
10	Decimal	20121947
12	Duodecimal	68a478b
16	Hexadecimal	133095b
20	Vigesimal	65f4h7
36	Base36	bza6z

Cryptographic Hash Functions

md5	ab6b298a62d80e463e25b7ff11f642ae
sha1	b0c2d73cbd75cb2fc02495a4ebe394fbbe0354c2
sha256	bbf89741af8cbf2c7d976375e55d48a275a80c88fd1e0e87ca4074382fdf7979
sha512	2771fdcf602a96d886842898f148b44a29fd1e1cb58da9f6517105a25e91a7eeb2180d1d2dff2cab28bf8104e7df527d82e497c580e32142b90ff47b1cf3b205
ripemd-160	2ab551550afc43d5513639e444b0a8a95ebfd2c0

20121947 as geometric shapes

Circle

Radius = n

Diameter	40243894
Circumference	126429921.74225
Area	1.2720080922558E+15

Sphere

Radius = n

Volume	3.4127039221257E+22
Surface area	5.0880323690233E+15
Circumference	126429921.74225

Square

Length = n

Perimeter	80487788
Area	404892751070809
Diagonal	28456730.348753

Cube

Length = n

Surface area	2429356506424854
Volume	8.147230477731E+21
Space diagonal	34852234.551208

Equilateral Triangle

Length = n

Perimeter	60365841
Area	1.7532370411774E+14
Altitude	17426117.275604

Triangular Pyramid

Length = n

Surface area	1.7532370411774E+14
Volume	9.6016031978222E+20
Height	9485576.7829175