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

20121949 (number)

20121949 is an odd 8-digits composite number following 20121948 and preceding 20121950. In scientific notation, it is written as 2.0121949 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20112736 positive integers (up to 20121949) that are relatively prime to 20121949.

Interesting facts

20121949 has 4 divisors, whose sum is 20131164
The reverse of 20121949 is 94912102
Previous prime number is 3557

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.0121949 × 10^7
Engineering notation	2.0121949 × 10^6

Prime Factorization of 20121949

Prime Factorization 3557 × 5657

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121949	Product of the distinct prime numbers

The prime factorization of 20121949 is 3557 × 5657. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 1, 92, 980, 370, 8871, 7716, 36001, 80322, 901179, 9174, 1537169, 1144051, 44310015, 86640959, 604828735, 183526906, 1246549102, 7146140180

Basic calculations (n = 20121949)

Multiplication

n×y

n×2	40243898
n×3	60365847
n×4	80487796
n×5	100609745

Division

n÷y

n÷2	10060974.5
n÷3	6707316.3333333
n÷3	5030487.25
n÷5	4024389.8

Exponentiation

n^y

n²	404892831558601
n³	8.1472329070878E+21
n⁴	1.6393820504754E+29
n⁵	3.2987562011182E+36

Nth Root

^y√n

²√n	4485.7495471771
³√n	271.99234497632
⁴√n	66.975738496691
⁵√n	28.889099772163

Divisors of 20121949

1, 3557, 5657, 20121949

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	-20121948	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 20121949 can be divided by 4 positive divisors. The sum of these divisors (counting 20121949) is 1, the average is 0.25.

Base conversion 20121949

Base	System	Value
2	Binary	1001100110000100101011101
3	Ternary	1101212022010101
4	Quaternary	1030300211131
5	Quinary	20122400244
6	Senary	1555141101
8	Octal	114604535
10	Decimal	20121949
12	Duodecimal	68a4791
16	Hexadecimal	133095d
20	Vigesimal	65f4h9
36	Base36	bza71

Cryptographic Hash Functions

md5	e55428ed453a80aa79a318e0850033b6
sha1	9589a8e87c07ca0b85a16b068262f290329bfb7a
sha256	265a402a6b5dc18e3958fd30e62e1bb60e9cccfe74aa2af8277b3c7d2b2e0245
sha512	ed3ca24e7a1fc86b2574fcec17b03d0d8201e407dab7ec3a8af501d0592cc2d278299c985d3cd13671993820a561cb6698313b4a413a3c67f304ad5ecc01dc36
ripemd-160	2831857bfef07179674ef6e3ff646cee9c5a5fe8

20121949 as geometric shapes

Circle

Radius = n

Diameter	40243898
Circumference	126429934.30862
Area	1.2720083451157E+15

Sphere

Radius = n

Volume	3.4127049397323E+22
Surface area	5.0880333804627E+15
Circumference	126429934.30862

Square

Length = n

Perimeter	80487796
Area	404892831558601
Diagonal	28456733.17718

Cube

Length = n

Surface area	2429356989351606
Volume	8.1472329070878E+21
Space diagonal	34852238.01531

Equilateral Triangle

Length = n

Perimeter	60365847
Area	1.7532373896998E+14
Altitude	17426119.007655

Triangular Pyramid

Length = n

Surface area	1.7532373896998E+14
Volume	9.6016060608466E+20
Height	9485577.7257266