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

20170921 (number)

20170921 is an odd 8-digits composite number following 20170920 and preceding 20170922. In scientific notation, it is written as 2.0170921 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 19329408 positive integers (up to 20170921) that are relatively prime to 20170921.

Interesting facts

20170921 has 8 divisors, whose sum is 21022920
The reverse of 20170921 is 12907102
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

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

Notation

Scientific notation	2.0170921 × 10^7
Engineering notation	2.0170921 × 10^6

Prime Factorization of 20170921

Prime Factorization 137 × 29 × 5077

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20170921	Product of the distinct prime numbers

The prime factorization of 20170921 is 137 × 29 × 5077. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 80, 79, 375, 704, 2519, 2460, 21909, 40465, 371934, 481295, 6655436, 3038924, 13999365, 44363338, 934640029, 160427195, 4845657677, 9737936680

Basic calculations (n = 20170921)

Multiplication

n×y

n×2	40341842
n×3	60512763
n×4	80683684
n×5	100854605

Division

n÷y

n÷2	10085460.5
n÷3	6723640.3333333
n÷3	5042730.25
n÷5	4034184.2

Exponentiation

n^y

n²	406866053988241
n³	8.2068630325785E+21
n⁴	1.6553998588796E+29
n⁵	3.3390939776872E+36

Nth Root

^y√n

²√n	4491.2048494808
³√n	272.2128209319
⁴√n	67.016452080671
⁵√n	28.903147931515

Divisors of 20170921

1, 29, 137, 3973, 5077, 147233, 695549, 20170921

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	-20170920	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 20170921 can be divided by 8 positive divisors. The sum of these divisors (counting 20170921) is 1, the average is 0.125.

Base conversion 20170921

Base	System	Value
2	Binary	1001100111100100010101001
3	Ternary	1101221210022011
4	Quaternary	1030330202221
5	Quinary	20130432141
6	Senary	2000155521
8	Octal	114744251
10	Decimal	20170921
12	Duodecimal	6908ba1
16	Hexadecimal	133c8a9
20	Vigesimal	661761
36	Base36	c0bzd

Cryptographic Hash Functions

md5	efa0d827771f5f9849b39002b2bde54d
sha1	11653ac3dbfd23a95e55c29cbca3076f682f9559
sha256	4a8267a1246eec7beaa4f10280040de2623fd199e787b10c7c1ad9f0b3211d88
sha512	bad1cbcdcabdf4dce569687fad9fc1171eaa64472285e1b3a7b932bfa89870f10a6709b6638de6125402b3e5ab5620d6b0882ab5101e88923389e3933d705dd5
ripemd-160	71bd73eaea5400cad3238ea44d10aa0642c6330a

20170921 as geometric shapes

Circle

Radius = n

Diameter	40341842
Circumference	126737634.45948
Area	1.2782074062045E+15

Sphere

Radius = n

Volume	3.4376827482889E+22
Surface area	5.1128296248181E+15
Circumference	126737634.45948

Square

Length = n

Perimeter	80683684
Area	406866053988241
Diagonal	28525990.043756

Cube

Length = n

Surface area	2441196323929446
Volume	8.2068630325785E+21
Space diagonal	34937060.007458

Equilateral Triangle

Length = n

Perimeter	60512763
Area	1.7617816934567E+14
Altitude	17468530.003729

Triangular Pyramid

Length = n

Surface area	1.7617816934567E+14
Volume	9.6718808376758E+20
Height	9508663.3479188