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

20120921 (number)

20120921 is an odd 8-digits composite number following 20120920 and preceding 20120922. In scientific notation, it is written as 2.0120921 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 20097252 positive integers (up to 20120921) that are relatively prime to 20120921.

Interesting facts

20120921 has 4 divisors, whose sum is 20144592
The reverse of 20120921 is 12902102
Previous prime number is 883

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

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

Notation

Scientific notation	2.0120921 × 10^7
Engineering notation	2.0120921 × 10^6

Prime Factorization of 20120921

Prime Factorization 883 × 22787

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20120921	Product of the distinct prime numbers

The prime factorization of 20120921 is 883 × 22787. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 67, 66, 780, 500, 7110, 5129, 44282, 56279, 980103, 763455, 6715624, 2307874, 71519406, 23510565, 110575801, 891504440, 9987173246, 349391847

Basic calculations (n = 20120921)

Multiplication

n×y

n×2	40241842
n×3	60362763
n×4	80483684
n×5	100604605

Division

n÷y

n÷2	10060460.5
n÷3	6706973.6666667
n÷3	5030230.25
n÷5	4024184.2

Exponentiation

n^y

n²	404851461888241
n³	8.1459842813878E+21
n⁴	1.6390470619305E+29
n⁵	3.2979136448385E+36

Nth Root

^y√n

²√n	4485.6349606271
³√n	271.98771300466
⁴√n	66.974883057958
⁵√n	28.888804586031

Divisors of 20120921

1, 883, 22787, 20120921

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	-20120920	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 20120921 can be divided by 4 positive divisors. The sum of these divisors (counting 20120921) is 1, the average is 0.25.

Base conversion 20120921

Base	System	Value
2	Binary	1001100110000010101011001
3	Ternary	1101212020201022
4	Quaternary	1030300111121
5	Quinary	20122332141
6	Senary	1555132225
8	Octal	114602531
10	Decimal	20120921
12	Duodecimal	68a4075
16	Hexadecimal	1330559
20	Vigesimal	65f261
36	Base36	bz9eh

Cryptographic Hash Functions

md5	1b84e52152ad68f57504e4408071e9c8
sha1	3d7a4976a4a62db5eb1f5b90d31c62d3472a546a
sha256	6b35e88641dac7cd57638c70c52ac893ee5419f5edb88a268a71593b59c8826e
sha512	2ea08c9e3a3e47269505572fb06b200b098fad53b940c47ba0b0b98d6e0c172853034f0db247b5336e6e1392b2c4ce8b38104efa9ede4a1d18268cec351f8466
ripemd-160	bfc8db8f1dd98177601b9cb94edef7bd77b4d54b

20120921 as geometric shapes

Circle

Radius = n

Diameter	40241842
Circumference	126423475.19412
Area	1.2718783784632E+15

Sphere

Radius = n

Volume	3.4121819166221E+22
Surface area	5.0875135138527E+15
Circumference	126423475.19412

Square

Length = n

Perimeter	80483684
Area	404851461888241
Diagonal	28455279.365638

Cube

Length = n

Surface area	2429108771329446
Volume	8.1459842813878E+21
Space diagonal	34850457.46708

Equilateral Triangle

Length = n

Perimeter	60362763
Area	1.7530582537724E+14
Altitude	17425228.73354

Triangular Pyramid

Length = n

Surface area	1.7530582537724E+14
Volume	9.6001345413472E+20
Height	9485093.1218792