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

30487981 (number)

30487981 is an odd 8-digits composite number following 30487980 and preceding 30487982. In scientific notation, it is written as 3.0487981 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 30469500 positive integers (up to 30487981) that are relatively prime to 30487981.

Interesting facts

30487981 has 4 divisors, whose sum is 30506464
The reverse of 30487981 is 18978403
Previous prime number is 1831

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	3.0487981 × 10^7
Engineering notation	3.0487981 × 10^6

Prime Factorization of 30487981

Prime Factorization 1831 × 16651

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	30487981	Product of the distinct prime numbers

The prime factorization of 30487981 is 1831 × 16651. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 8, 28, 9, 154, 948, 9364, 2812, 17960, 16692, 458980, 875319, 5620270, 3947353, 38492598, 34543258, 238953147, 855383926, 7442046921, 4143437058

Basic calculations (n = 30487981)

Multiplication

n×y

n×2	60975962
n×3	91463943
n×4	121951924
n×5	152439905

Division

n÷y

n÷2	15243990.5
n÷3	10162660.333333
n÷3	7621995.25
n÷5	6097596.2

Exponentiation

n^y

n²	929516985456361
n³	2.8339096191771E+22
n⁴	8.6400182625188E+29
n⁵	2.6341671262733E+37

Nth Root

^y√n

²√n	5521.5922522403
³√n	312.39894246979
⁴√n	74.307417208784
⁵√n	31.392487718847

Divisors of 30487981

1, 1831, 16651, 30487981

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	-30487980	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 30487981 can be divided by 4 positive divisors. The sum of these divisors (counting 30487981) is 1, the average is 0.25.

Base conversion 30487981

Base	System	Value
2	Binary	1110100010011010110101101
3	Ternary	2010100221122111
4	Quaternary	1310103112231
5	Quinary	30301103411
6	Senary	3005244021
8	Octal	164232655
10	Decimal	30487981
12	Duodecimal	a263611
16	Hexadecimal	1d135ad
20	Vigesimal	9aajj1
36	Base36	i5god

Cryptographic Hash Functions

md5	4b9850865d7480b8576afeeb29d98589
sha1	45be5d1761c92e7a6aa34627f9a57057ef00d65a
sha256	a23723c66195d878dd61d14258bbff45a001ac775d85f207bf1a655099ad403f
sha512	f6d9c0cb9ba582d45975c0864ae0f63f8829f4d7896766797876d304bb20ca24c271c637c9322ca18f370c94bd1d3b749f1425e9885954f0fb526280d9f52323
ripemd-160	4179a738b6aa80b107aa1cff07f95d72a9955a45

30487981 as geometric shapes

Circle

Radius = n

Diameter	60975962
Circumference	191561634.26477
Area	2.9201637328966E+15

Sphere

Radius = n

Volume	1.1870652854059E+23
Surface area	1.1680654931587E+16
Circumference	191561634.26477

Square

Length = n

Perimeter	121951924
Area	929516985456361
Diagonal	43116516.219573

Cube

Length = n

Surface area	5577101912738166
Volume	2.8339096191771E+22
Space diagonal	52806732.112195

Equilateral Triangle

Length = n

Perimeter	91463943
Area	4.0249266132717E+14
Altitude	26403366.056097

Triangular Pyramid

Length = n

Surface area	4.0249266132717E+14
Volume	3.3397945149832E+21
Height	14372172.073191