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

87990131 (number)

87990131 is an odd 8-digits composite number following 87990130 and preceding 87990132. In scientific notation, it is written as 8.7990131 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 87971064 positive integers (up to 87990131) that are relatively prime to 87990131.

Interesting facts

87990131 has 4 divisors, whose sum is 88009200
The reverse of 87990131 is 13109978
Previous prime number is 7829

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	8.7990131 × 10^7
Engineering notation	8.7990131 × 10^6

Prime Factorization of 87990131

Prime Factorization 7829 × 11239

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	87990131	Product of the distinct prime numbers

The prime factorization of 87990131 is 7829 × 11239. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 8, 97, 19, 737, 675, 2271, 9338, 79863, 35256, 658576, 307767, 9584721, 3690552, 64113472, 77010512, 726215513, 310751973, 9986279834, 8947908545

Basic calculations (n = 87990131)

Multiplication

n×y

n×2	175980262
n×3	263970393
n×4	351960524
n×5	439950655

Division

n÷y

n÷2	43995065.5
n÷3	29330043.666667
n÷3	21997532.75
n÷5	17598026.2

Exponentiation

n^y

n²	7742263153397161
n³	6.8124274910389E+23
n⁴	5.9942638736451E+31
n⁵	5.274360634906E+39

Nth Root

^y√n

²√n	9380.3054854306
³√n	444.7793898714
⁴√n	96.851977189062
⁵√n	38.80492003769

Divisors of 87990131

1, 7829, 11239, 87990131

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	-87990130	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 87990131 can be divided by 4 positive divisors. The sum of these divisors (counting 87990131) is 1, the average is 0.25.

Base conversion 87990131

Base	System	Value
2	Binary	101001111101001111101110011
3	Ternary	20010120100202202
4	Quaternary	11033221331303
5	Quinary	140011141011
6	Senary	12421533415
8	Octal	517517563
10	Decimal	87990131
12	Duodecimal	2557426b
16	Hexadecimal	53e9f73
20	Vigesimal	179if6b
36	Base36	1gdxmb

Cryptographic Hash Functions

md5	1c462fe08ee4ecef486cb597e3fc4ad6
sha1	b4dc37189b613c6d105b8a170201425efe8aed0b
sha256	158d0761ea7fd0c83b2a9b19ce0d354a78e6005e7fd2e96cb262a1c109364132
sha512	04fa42efe8720af8339d27167812e3fce4a551c46033eb4812fad2fc7c1a9d9f1fa7024572dd7661f8a0da6bea9d199deb9a476591244899c73426831e5b546a
ripemd-160	6495b5712e9fa919bc5d862ffe48ca5624410fdd

87990131 as geometric shapes

Circle

Radius = n

Diameter	175980262
Circumference	552858298.27601
Area	2.4323037044871E+16

Sphere

Radius = n

Volume	2.8535829545281E+24
Surface area	9.7292148179486E+16
Circumference	552858298.27601

Square

Length = n

Perimeter	351960524
Area	7742263153397161
Diagonal	124436836.61519

Cube

Length = n

Surface area	46453578920382966
Volume	6.8124274910389E+23
Space diagonal	152403377.45664

Equilateral Triangle

Length = n

Perimeter	263970393
Area	3.3524982868131E+15
Altitude	76201688.728321

Triangular Pyramid

Length = n

Surface area	3.3524982868131E+15
Volume	8.0285227920921E+22
Height	41478945.538395