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

20120945 (number)

20120945 is an odd 8-digits composite number following 20120944 and preceding 20120946. In scientific notation, it is written as 2.0120945 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 13777920 positive integers (up to 20120945) that are relatively prime to 20120945.

Interesting facts

20120945 has 16 divisors, whose sum is 22249920
The reverse of 20120945 is 54902102
Previous prime number is 131

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 thousand nine hundred forty-five

Notation

Scientific notation	2.0120945 × 10^7
Engineering notation	2.0120945 × 10^6

Prime Factorization of 20120945

Prime Factorization 85 × 13 × 131 × 139

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20120945	Product of the distinct prime numbers

The prime factorization of 20120945 is 85 × 13 × 131 × 139. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 35, 6, 516, 592, 9305, 4971, 51685, 40377, 24480, 578638, 2695866, 1648867, 16711732, 67782800, 74310812, 868358792, 8565322729, 1768381725

Basic calculations (n = 20120945)

Multiplication

n×y

n×2	40241890
n×3	60362835
n×4	80483780
n×5	100604725

Division

n÷y

n÷2	10060472.5
n÷3	6706981.6666667
n÷3	5030236.25
n÷5	4024189

Exponentiation

n^y

n²	404852427693025
n³	8.1460134307278E+21
n⁴	1.6390548820894E+29
n⁵	3.2979333134502E+36

Nth Root

^y√n

²√n	4485.6376358328
³√n	271.98782114587
⁴√n	66.974903029664
⁵√n	28.888811477674

Divisors of 20120945

1, 13, 85, 131, 139, 1105, 1703, 1807, 11135, 11815, 18209, 144755, 153595, 236717, 1547765, 20120945

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20120944	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20120945 can be divided by 16 positive divisors. The sum of these divisors (counting 20120945) is 1, the average is 0.0625.

Base conversion 20120945

Base	System	Value
2	Binary	1001100110000010101110001
3	Ternary	1101212020202012
4	Quaternary	1030300111301
5	Quinary	20122332240
6	Senary	1555132305
8	Octal	114602561
10	Decimal	20120945
12	Duodecimal	68a4095
16	Hexadecimal	1330571
20	Vigesimal	65f275
36	Base36	bz9f5

Cryptographic Hash Functions

md5	d3955a4cb35e83da0a3a03b40325ac57
sha1	6a287cf0f417c991f0af3168da4bb1455b42fc18
sha256	ec8b33979ce0971aadafa3196ea98e13da461b4b354cd419e109f1ae5b0af46c
sha512	778f3cc594a962c106f788a8fad85e6e98f981cd0b35b58457e2df4c8d5afbcae6bc5f1068d5242f914f4e64a951415915b8bcbdd26025b49c71382cb44f5da8
ripemd-160	942eedd6bb13df92bc7378fa991488ee4ac0a212

20120945 as geometric shapes

Circle

Radius = n

Diameter	40241890
Circumference	126423625.99057
Area	1.2718814126284E+15

Sphere

Radius = n

Volume	3.4121941266691E+22
Surface area	5.0875256505136E+15
Circumference	126423625.99057

Square

Length = n

Perimeter	80483780
Area	404852427693025
Diagonal	28455313.306763

Cube

Length = n

Surface area	2429114566158150
Volume	8.1460134307278E+21
Space diagonal	34850499.036299

Equilateral Triangle

Length = n

Perimeter	60362835
Area	1.7530624358298E+14
Altitude	17425249.518149

Triangular Pyramid

Length = n

Surface area	1.7530624358298E+14
Volume	9.6001688941739E+20
Height	9485104.4355877