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

51991921 (number)

51991921 is an odd 8-digits composite number following 51991920 and preceding 51991922. In scientific notation, it is written as 5.1991921 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 51110644 positive integers (up to 51991921) that are relatively prime to 51991921.

Interesting facts

51991921 has 4 divisors, whose sum is 52873200
The reverse of 51991921 is 12919915
Previous prime number is 59

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	5.1991921 × 10^7
Engineering notation	5.1991921 × 10^6

Prime Factorization of 51991921

Prime Factorization 59 × 881219

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	51991921	Product of the distinct prime numbers

The prime factorization of 51991921 is 59 × 881219. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 95, 81, 934, 296, 1173, 4599, 30298, 25571, 906622, 469162, 8682075, 1210201, 22643988, 61201141, 881147778, 64848730, 6710001408, 5475715053

Basic calculations (n = 51991921)

Multiplication

n×y

n×2	103983842
n×3	155975763
n×4	207967684
n×5	259959605

Division

n÷y

n÷2	25995960.5
n÷3	17330640.333333
n÷3	12997980.25
n÷5	10398384.2

Exponentiation

n^y

n²	2703159849270241
n³	1.4054247333363E+23
n⁴	7.3070731707067E+30
n⁵	3.799087710326E+38

Nth Root

^y√n

²√n	7210.5423513076
³√n	373.23178457951
⁴√n	84.914912420066
⁵√n	34.92908208657

Divisors of 51991921

1, 59, 881219, 51991921

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	-51991920	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 51991921 can be divided by 4 positive divisors. The sum of these divisors (counting 51991921) is 1, the average is 0.25.

Base conversion 51991921

Base	System	Value
2	Binary	11000110010101010101110001
3	Ternary	10121211110111201
4	Quaternary	3012111111301
5	Quinary	101302220141
6	Senary	5054211201
8	Octal	306252561
10	Decimal	51991921
12	Duodecimal	154b3b01
16	Hexadecimal	3195571
20	Vigesimal	g4ijg1
36	Base36	uyd81

Cryptographic Hash Functions

md5	7bf38c14ebf260e6e64ad73230cc2528
sha1	23d4ee576e087946224d0101b078529acf9d0047
sha256	9ea1275b4beba4aba1167a459bea5eeddba1f373de32093b140dbba87e68bb7d
sha512	9cbd13ba38c7e94e7ff60184e9cf319af6008a6ae0a8edeaec2f392d2eacbc4552241730635500cf1fcc57bd7551356670dd026ffe63a3f45766f6e0f608e842
ripemd-160	9b461c9916f81655545cdfce30718c2850b0a090

51991921 as geometric shapes

Circle

Radius = n

Diameter	103983842
Circumference	326674874.11924
Area	8.4922271239463E+15

Sphere

Radius = n

Volume	5.8870293565636E+23
Surface area	3.3968908495785E+16
Circumference	326674874.11924

Square

Length = n

Perimeter	207967684
Area	2703159849270241
Diagonal	73527679.812031

Cube

Length = n

Surface area	16218959095621446
Volume	1.4054247333363E+23
Space diagonal	90052648.755107

Equilateral Triangle

Length = n

Perimeter	155975763
Area	1.1705025499791E+15
Altitude	45026324.377554

Triangular Pyramid

Length = n

Surface area	1.1705025499791E+15
Volume	1.6563089323157E+22
Height	24509226.60401