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

20007991 (number)

20007991 is an odd 8-digits composite number following 20007990 and preceding 20007992. In scientific notation, it is written as 2.0007991 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19995984 positive integers (up to 20007991) that are relatively prime to 20007991.

Interesting facts

20007991 has 4 divisors, whose sum is 20020000
The reverse of 20007991 is 19970002
Previous prime number is 1999

Basic properties

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

Name

Name	twenty million seven thousand nine hundred ninety-one

Notation

Scientific notation	2.0007991 × 10^7
Engineering notation	2.0007991 × 10^6

Prime Factorization of 20007991

Prime Factorization 1999 × 10009

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20007991	Product of the distinct prime numbers

The prime factorization of 20007991 is 1999 × 10009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 7, 21, 88, 679, 316, 7717, 5683, 49415, 6255, 774812, 775403, 4470242, 2359524, 79600611, 4342784, 601425041, 7428952, 3704497736, 7944249390

Basic calculations (n = 20007991)

Multiplication

n×y

n×2	40015982
n×3	60023973
n×4	80031964
n×5	100039955

Division

n÷y

n÷2	10003995.5
n÷3	6669330.3333333
n÷3	5001997.75
n÷5	4001598.2

Exponentiation

n^y

n²	400319703856081
n³	8.0095930318751E+21
n⁴	1.6025586529542E+29
n⁵	3.206397910528E+36

Nth Root

^y√n

²√n	4473.0292867362
³√n	271.4779083644
⁴√n	66.880709376742
⁵√n	28.856303472722

Divisors of 20007991

1, 1999, 10009, 20007991

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	-20007990	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 20007991 can be divided by 4 positive divisors. The sum of these divisors (counting 20007991) is 1, the average is 0.25.

Base conversion 20007991

Base	System	Value
2	Binary	1001100010100110000110111
3	Ternary	1101122111210201
4	Quaternary	1030110300313
5	Quinary	20110223431
6	Senary	1552501331
8	Octal	114246067
10	Decimal	20007991
12	Duodecimal	684a847
16	Hexadecimal	1314c37
20	Vigesimal	650jjb
36	Base36	bwu9j

Cryptographic Hash Functions

md5	95c44cdec920835a96dcf49ae9d5c1f2
sha1	bb3e53341758103e9aaedbbf5a1bba58ff4274dd
sha256	5aeec87066f3a2f987f103382eb47f194b76ad2b73b5a4b515cd959e13e0fd12
sha512	70ab3f2dd56f852f1bb277e28ee6c7a597cff4654ea743c72da838ca76a53b50b487b55b43869f6c0b3244679d7e222fc9cc3ca1aeb67291ab4ff1551bc012ba
ripemd-160	a4c54e3ccb2fb24ce79d6ae837e78a54f5b51195

20007991 as geometric shapes

Circle

Radius = n

Diameter	40015982
Circumference	125713915.07738
Area	1.2576414407215E+15

Sphere

Radius = n

Volume	3.3550504836244E+22
Surface area	5.030565762886E+15
Circumference	125713915.07738

Square

Length = n

Perimeter	80031964
Area	400319703856081
Diagonal	28295572.228039

Cube

Length = n

Surface area	2401918223136486
Volume	8.0095930318751E+21
Space diagonal	34654856.969381

Equilateral Triangle

Length = n

Perimeter	60023973
Area	1.7334351658741E+14
Altitude	17327428.48469

Triangular Pyramid

Length = n

Surface area	1.7334351658741E+14
Volume	9.4393959123057E+20
Height	9431857.4093463