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

20107991 (number)

20107991 is an odd 8-digits composite number following 20107990 and preceding 20107992. In scientific notation, it is written as 2.0107991 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 18272128 positive integers (up to 20107991) that are relatively prime to 20107991.

Interesting facts

20107991 has 8 divisors, whose sum is 22025520
The reverse of 20107991 is 19970102
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.0107991 × 10^7
Engineering notation	2.0107991 × 10^6

Prime Factorization of 20107991

Prime Factorization 17 × 29 × 40787

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20107991	Product of the distinct prime numbers

The prime factorization of 20107991 is 17 × 29 × 40787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 5, 13, 18, 187, 851, 3526, 4302, 20723, 53879, 961928, 796415, 7539732, 1988740, 14238954, 47623159, 279005746, 972080583, 6659612021, 1287226465

Basic calculations (n = 20107991)

Multiplication

n×y

n×2	40215982
n×3	60323973
n×4	80431964
n×5	100539955

Division

n÷y

n÷2	10053995.5
n÷3	6702663.6666667
n÷3	5026997.75
n÷5	4021598.2

Exponentiation

n^y

n²	404331302056081
n³	8.130290182762E+21
n⁴	1.6348380182237E+29
n⁵	3.2873308156899E+36

Nth Root

^y√n

²√n	4484.1934614822
³√n	271.92943941777
⁴√n	66.964120702674
⁵√n	28.885090757074

Divisors of 20107991

1, 17, 29, 493, 40787, 693379, 1182823, 20107991

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	-20107990	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 20107991 can be divided by 8 positive divisors. The sum of these divisors (counting 20107991) is 1, the average is 0.125.

Base conversion 20107991

Base	System	Value
2	Binary	1001100101101001011010111
3	Ternary	1101211120222102
4	Quaternary	1030231023113
5	Quinary	20121423431
6	Senary	1554552315
8	Octal	114551327
10	Decimal	20107991
12	Duodecimal	689869b
16	Hexadecimal	132d2d7
20	Vigesimal	65d9jb
36	Base36	byzfb

Cryptographic Hash Functions

md5	c41a4f2b18faeb912a53bb2a3c1109fc
sha1	10e812e39d44a5ad849991ca9e1ada00a0d671cc
sha256	9c1b92ee9451160310ffa3d45cfb71f9e1d29d20c543de4afb2830339304f30d
sha512	31ce47911a3ee2ddcc841297530bda1ad684b487c9237f1c025e5ffe6f31bd3daa4a75f163e07a4f2624b6891b58006e6e75ec2f71b4ad19dcd36e9648440f3c
ripemd-160	a2ba3fbb86fee7ff737cce3f4f99d97a25fb3610

20107991 as geometric shapes

Circle

Radius = n

Diameter	40215982
Circumference	126342233.6081
Area	1.2702442481558E+15

Sphere

Radius = n

Volume	3.4056079879624E+22
Surface area	5.0809769926231E+15
Circumference	126342233.6081

Square

Length = n

Perimeter	80431964
Area	404331302056081
Diagonal	28436993.584276

Cube

Length = n

Surface area	2425987812336486
Volume	8.130290182762E+21
Space diagonal	34828062.050138

Equilateral Triangle

Length = n

Perimeter	60323973
Area	1.750805895629E+14
Altitude	17414031.025069

Triangular Pyramid

Length = n

Surface area	1.750805895629E+14
Volume	9.5816388687423E+20
Height	9478997.8614254