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

51991388 (number)

51991388 is an even 8-digits composite number following 51991387 and preceding 51991389. In scientific notation, it is written as 5.1991388 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 6 positive divisors. There are 25995692 positive integers (up to 51991388) that are relatively prime to 51991388.

Interesting facts

51991388 has 6 divisors, whose sum is 90984936
The reverse of 51991388 is 88319915
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8

Name

Name	fifty-one million nine hundred ninety-one thousand three hundred eighty-eight

Notation

Scientific notation	5.1991388 × 10^7
Engineering notation	5.1991388 × 10^6

Prime Factorization of 51991388

Prime Factorization 2 × 2 × 12997847

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	25995694	Product of the distinct prime numbers

The prime factorization of 51991388 is 2 × 2 × 12997847. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 3, 26, 40, 265, 403, 1098, 8037, 61870, 60138, 380359, 879012, 967589, 8079369, 88547095, 74299404, 382651746, 694410769, 8194104977, 5087181217

Basic calculations (n = 51991388)

Multiplication

n×y

n×2	103982776
n×3	155974164
n×4	207965552
n×5	259956940

Division

n÷y

n÷2	25995694
n÷3	17330462.666667
n÷3	12997847
n÷5	10398277.6

Exponentiation

n^y

n²	2703104426166544
n³	1.4053815102534E+23
n⁴	7.3067735387612E+30
n⁵	3.7988929808186E+38

Nth Root

^y√n

²√n	7210.505391441
³√n	373.2305091684
⁴√n	84.914694790955
⁵√n	34.929010470531

Divisors of 51991388

1, 2, 4, 12997847, 25995694, 51991388

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-51991387	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51991388 can be divided by 6 positive divisors. The sum of these divisors (counting 51991388) is 1, the average is 0.16666666666667.

Base conversion 51991388

Base	System	Value
2	Binary	11000110010101001101011100
3	Ternary	10121211102202222
4	Quaternary	3012111031130
5	Quinary	101302211023
6	Senary	5054204512
8	Octal	306251534
10	Decimal	51991388
12	Duodecimal	154b3738
16	Hexadecimal	319535c
20	Vigesimal	g4ii98
36	Base36	uyct8

Cryptographic Hash Functions

md5	ef031a684511d355f1a433fcd0daa18b
sha1	27fc93549cff02b05bcb3137a6f33a3e2d267d0e
sha256	0643c6447c33971d04197f0a489c8229b8082776ba05d71165cdf3956a1c57c1
sha512	e05ab4876aa2d3c5340e14707c5fae6b3047f23c3bd7f15111de9885b10d6032809d19c77c6cf056abd4c245e4c080b2c3060659a0aacd69a9643d60749b9902
ripemd-160	a1c9e6f5e954434f4e26d07528964a05ede39f1d

51991388 as geometric shapes

Circle

Radius = n

Diameter	103982776
Circumference	326671525.18147
Area	8.4920530071309E+15

Sphere

Radius = n

Volume	5.8868483041374E+23
Surface area	3.3968212028523E+16
Circumference	326671525.18147

Square

Length = n

Perimeter	207965552
Area	2703104426166544
Diagonal	73526926.036202

Cube

Length = n

Surface area	16218626556999264
Volume	1.4053815102534E+23
Space diagonal	90051725.572027

Equilateral Triangle

Length = n

Perimeter	155974164
Area	1.1704785510712E+15
Altitude	45025862.786013

Triangular Pyramid

Length = n

Surface area	1.1704785510712E+15
Volume	1.656257993424E+22
Height	24508975.345401