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

20121555 (number)

20121555 is an odd 8-digits composite number following 20121554 and preceding 20121556. In scientific notation, it is written as 2.0121555 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 10731488 positive integers (up to 20121555) that are relatively prime to 20121555.

Interesting facts

20121555 has 8 divisors, whose sum is 32194512
The reverse of 20121555 is 55512102
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty million one hundred twenty-one thousand five hundred fifty-five

Notation

Scientific notation	2.0121555 × 10^7
Engineering notation	2.0121555 × 10^6

Prime Factorization of 20121555

Prime Factorization 5 × 3 × 1341437

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20121555	Product of the distinct prime numbers

The prime factorization of 20121555 is 5 × 3 × 1341437. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 8, 22, 11, 928, 899, 1185, 4802, 82719, 33628, 964668, 495889, 5970078, 1594337, 81937140, 33426587, 950569991, 49511331, 3016950642, 6368040692

Basic calculations (n = 20121555)

Multiplication

n×y

n×2	40243110
n×3	60364665
n×4	80486220
n×5	100607775

Division

n÷y

n÷2	10060777.5
n÷3	6707185
n÷3	5030388.75
n÷5	4024311

Exponentiation

n^y

n²	404876975618025
n³	8.1467543331317E+21
n⁴	1.639253653856E+29
n⁵	3.2984332555014E+36

Nth Root

^y√n

²√n	4485.7056301099
³√n	271.99056970621
⁴√n	66.97541063786
⁵√n	28.888986638048

Divisors of 20121555

1, 3, 5, 15, 1341437, 4024311, 6707185, 20121555

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	-20121554	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 20121555 can be divided by 8 positive divisors. The sum of these divisors (counting 20121555) is 1, the average is 0.125.

Base conversion 20121555

Base	System	Value
2	Binary	1001100110000011111010011
3	Ternary	1101212021120210
4	Quaternary	1030300133103
5	Quinary	20122342210
6	Senary	1555135203
8	Octal	114603723
10	Decimal	20121555
12	Duodecimal	68a4503
16	Hexadecimal	13307d3
20	Vigesimal	65f3hf
36	Base36	bz9w3

Cryptographic Hash Functions

md5	ac5e490f5662d3ebb9445343d8f2a264
sha1	e26b3023d26ffe1f514071e04869df92485f4002
sha256	e74452ad126fd9a70565afbbcdd170308ead388ecfadb8bc78cff073b8b25186
sha512	b3adc885aaa2b329b2c86db8dae03d177dce4c62b811ba5ea023d54ff8c2cee5f6a58ec6e9a979026f81b41b566bd22431d1ed04121e767641fea07032723ebf
ripemd-160	51868dcca3d27d87c0feb61ae3ea4e2b26fb5d32

20121555 as geometric shapes

Circle

Radius = n

Diameter	40243110
Circumference	126427458.73361
Area	1.2719585322092E+15

Sphere

Radius = n

Volume	3.4125044751423E+22
Surface area	5.087834128837E+15
Circumference	126427458.73361

Square

Length = n

Perimeter	80486220
Area	404876975618025
Diagonal	28456175.977036

Cube

Length = n

Surface area	2429261853708150
Volume	8.1467543331317E+21
Space diagonal	34851555.587292

Equilateral Triangle

Length = n

Perimeter	60364665
Area	1.7531687314631E+14
Altitude	17425777.793646

Triangular Pyramid

Length = n

Surface area	1.7531687314631E+14
Volume	9.6010420560306E+20
Height	9485391.9923454