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

51990987 (number)

51990987 is an odd 8-digits composite number following 51990986 and preceding 51990988. In scientific notation, it is written as 5.1990987 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 34660656 positive integers (up to 51990987) that are relatively prime to 51990987.

Interesting facts

51990987 has 4 divisors, whose sum is 69321320
The reverse of 51990987 is 78909915
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3

Name

Name	fifty-one million nine hundred ninety thousand nine hundred eighty-seven

Notation

Scientific notation	5.1990987 × 10^7
Engineering notation	5.1990987 × 10^6

Prime Factorization of 51990987

Prime Factorization 3 × 17330329

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	51990987	Product of the distinct prime numbers

The prime factorization of 51990987 is 3 × 17330329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 6, 26, 25, 650, 196, 2326, 2830, 13140, 68533, 831335, 37597, 1177829, 5296033, 3856198, 87917502, 194157059, 347335871, 8003253048, 4780216451

Basic calculations (n = 51990987)

Multiplication

n×y

n×2	103981974
n×3	155972961
n×4	207963948
n×5	259954935

Division

n÷y

n÷2	25995493.5
n÷3	17330329
n÷3	12997746.75
n÷5	10398197.4

Exponentiation

n^y

n²	2703062729234169
n³	1.405348992158E+23
n⁴	7.3065481181749E+30
n⁵	3.798746482269E+38

Nth Root

^y√n

²√n	7210.4775847374
³√n	373.22954961321
⁴√n	84.914531057631
⁵√n	34.92895659016

Divisors of 51990987

1, 3, 17330329, 51990987

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	-51990986	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 51990987 can be divided by 4 positive divisors. The sum of these divisors (counting 51990987) is 1, the average is 0.25.

Base conversion 51990987

Base	System	Value
2	Binary	11000110010101000111001011
3	Ternary	10121211102020010
4	Quaternary	3012111013023
5	Quinary	101302202422
6	Senary	5054203003
8	Octal	306250713
10	Decimal	51990987
12	Duodecimal	154b3463
16	Hexadecimal	31951cb
20	Vigesimal	g4ih97
36	Base36	uyci3

Cryptographic Hash Functions

md5	da42ac49d6faf2694ca9147d11eaf477
sha1	ea90445b7b2637894f485624e7972b8bc8fb8dc8
sha256	218c12fc5b293211419ff50a4417ead05de662888c0cf8589b92bd7654270f35
sha512	a7ac970626bcb1d465a9e45580c88f5c63e215dba49096315a6f9e16fffda673847ad0c0c5621f1b237b5d1b844c76a68d1e7c1e8de628580fb275b1f6096a5e
ripemd-160	412d9589fb66afda43aeff187cc7f3b0fb7d7c51

51990987 as geometric shapes

Circle

Radius = n

Diameter	103981974
Circumference	326669005.62416
Area	8.4919220123544E+15

Sphere

Radius = n

Volume	5.8867120926578E+23
Surface area	3.3967688049418E+16
Circumference	326669005.62416

Square

Length = n

Perimeter	207963948
Area	2703062729234169
Diagonal	73526358.936563

Cube

Length = n

Surface area	16218376375405014
Volume	1.405348992158E+23
Space diagonal	90051031.019653

Equilateral Triangle

Length = n

Perimeter	155972961
Area	1.1704604957698E+15
Altitude	45025515.509826

Triangular Pyramid

Length = n

Surface area	1.1704604957698E+15
Volume	1.656219670481E+22
Height	24508786.312188