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

20121917 (number)

20121917 is an odd 8-digits composite number following 20121916 and preceding 20121918. In scientific notation, it is written as 2.0121917 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20041500 positive integers (up to 20121917) that are relatively prime to 20121917.

Interesting facts

20121917 has 4 divisors, whose sum is 20202336
The reverse of 20121917 is 71912102
Previous prime number is 251

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty million one hundred twenty-one thousand nine hundred seventeen

Notation

Scientific notation	2.0121917 × 10^7
Engineering notation	2.0121917 × 10^6

Prime Factorization of 20121917

Prime Factorization 251 × 80167

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121917	Product of the distinct prime numbers

The prime factorization of 20121917 is 251 × 80167. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 8, 82, 97, 926, 29, 6914, 9917, 69141, 45425, 802548, 913575, 6523792, 2723875, 11015516, 94863332, 485498890, 218941778, 5598958141, 6320103353

Basic calculations (n = 20121917)

Multiplication

n×y

n×2	40243834
n×3	60365751
n×4	80487668
n×5	100609585

Division

n÷y

n÷2	10060958.5
n÷3	6707305.6666667
n÷3	5030479.25
n÷5	4024383.4

Exponentiation

n^y

n²	404891543754889
n³	8.1471940374377E+21
n⁴	1.6393716220422E+29
n⁵	3.2987299710888E+36

Nth Root

^y√n

²√n	4485.7459803248
³√n	271.99220079281
⁴√n	66.975711868742
⁵√n	28.889090583672

Divisors of 20121917

1, 251, 80167, 20121917

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20121916	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121917 can be divided by 4 positive divisors. The sum of these divisors (counting 20121917) is 1, the average is 0.25.

Base conversion 20121917

Base	System	Value
2	Binary	1001100110000100100111101
3	Ternary	1101212022002012
4	Quaternary	1030300210331
5	Quinary	20122400132
6	Senary	1555141005
8	Octal	114604475
10	Decimal	20121917
12	Duodecimal	68a4765
16	Hexadecimal	133093d
20	Vigesimal	65f4fh
36	Base36	bza65

Cryptographic Hash Functions

md5	366b7f57831f6cda71bf13140b49dfd2
sha1	c4c638f06bb10c7e300e49aafa223d0504e920f0
sha256	50dc489b754cfe6bcc7e20142499549ac4bb949fa9f2c821f84948025c00d257
sha512	55ac0b0264be895c411416081ecd2803233c61679447e76bf0b7ec67f4774ff6d408c7c940c663d617e4354651f528d79ffe78fcc2c607c9aa2fec672eb48e3e
ripemd-160	1f2e9a000c46d7b121ac252d02b5d79676052adc

20121917 as geometric shapes

Circle

Radius = n

Diameter	40243834
Circumference	126429733.24669
Area	1.272004299361E+15

Sphere

Radius = n

Volume	3.4126886580513E+22
Surface area	5.088017197444E+15
Circumference	126429733.24669

Square

Length = n

Perimeter	80487668
Area	404891543754889
Diagonal	28456687.922346

Cube

Length = n

Surface area	2429349262529334
Volume	8.1471940374377E+21
Space diagonal	34852182.589684

Equilateral Triangle

Length = n

Perimeter	60365751
Area	1.7532318133462E+14
Altitude	17426091.294842

Triangular Pyramid

Length = n

Surface area	1.7532318133462E+14
Volume	9.6015602525247E+20
Height	9485562.6407819