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

42687981 (number)

42687981 is an odd 8-digits composite number following 42687980 and preceding 42687982. In scientific notation, it is written as 4.2687981 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 24393096 positive integers (up to 42687981) that are relatively prime to 42687981.

Interesting facts

42687981 has 12 divisors, whose sum is 70469152
The reverse of 42687981 is 18978624
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	forty-two million six hundred eighty-seven thousand nine hundred eighty-one

Notation

Scientific notation	4.2687981 × 10^7
Engineering notation	4.2687981 × 10^6

Prime Factorization of 42687981

Prime Factorization 3 × 3 × 7 × 677587

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	14229327	Product of the distinct prime numbers

The prime factorization of 42687981 is 3 × 3 × 7 × 677587. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 58, 22, 185, 439, 1205, 5022, 82644, 52302, 442060, 543742, 4247658, 7366780, 12870828, 95110923, 555156380, 768673364, 2126599914, 7474117275

Basic calculations (n = 42687981)

Multiplication

n×y

n×2	85375962
n×3	128063943
n×4	170751924
n×5	213439905

Division

n÷y

n÷2	21343990.5
n÷3	14229327
n÷3	10671995.25
n÷5	8537596.2

Exponentiation

n^y

n²	1822263721856361
n³	7.7788759135594E+22
n⁴	3.3206450719938E+30
n⁵	1.4175163374101E+38

Nth Root

^y√n

²√n	6533.6039824893
³√n	349.49036303685
⁴√n	80.83071187667
⁵√n	33.578486952334

Divisors of 42687981

1, 3, 7, 9, 21, 63, 677587, 2032761, 4743109, 6098283, 14229327, 42687981

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-42687980	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 42687981 can be divided by 12 positive divisors. The sum of these divisors (counting 42687981) is 1, the average is 0.083333333333333.

Base conversion 42687981

Base	System	Value
2	Binary	10100010110101110111101101
3	Ternary	2222022202220100
4	Quaternary	2202311313231
5	Quinary	41412003411
6	Senary	4122541313
8	Octal	242656755
10	Decimal	42687981
12	Duodecimal	12367839
16	Hexadecimal	28b5ded
20	Vigesimal	d6fjj1
36	Base36	pey99

Cryptographic Hash Functions

md5	1954ec7fc5d00ba310598ece04d9765f
sha1	613e16468be31de13735b85b95eec1147c6e4ae8
sha256	7b3cd7b17f02167bd74c4926d96fcdb3b7f75d6763d5cccce57e48859c5904bf
sha512	6111d48c99d7d3c30e91abd59f93554222a97e5093abdda22201cc936aa5f38f6ad8a1c9c53f2733275bef533834f52997ddb0feb21995dbfcabd306cb2f1c78
ripemd-160	dcf8c0ddea1355d16f5fd0d88a783fa79754d0f4

42687981 as geometric shapes

Circle

Radius = n

Diameter	85375962
Circumference	268216495.01236
Area	5.7248103214871E+15

Sphere

Radius = n

Volume	3.2584079230966E+23
Surface area	2.2899241285949E+16
Circumference	268216495.01236

Square

Length = n

Perimeter	170751924
Area	1822263721856361
Diagonal	60369921.680525

Cube

Length = n

Surface area	10933582331138166
Volume	7.7788759135594E+22
Space diagonal	73937751.964535

Equilateral Triangle

Length = n

Perimeter	128063943
Area	7.8906333776119E+14
Altitude	36968875.982267

Triangular Pyramid

Length = n

Surface area	7.8906333776119E+14
Volume	9.1674931808109E+21
Height	20123307.226842