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

81749672 (number)

81749672 is an even 8-digits composite number following 81749671 and preceding 81749673. In scientific notation, it is written as 8.1749672 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 8 positive divisors. There are 40874832 positive integers (up to 81749672) that are relatively prime to 81749672.

Interesting facts

81749672 has 8 divisors, whose sum is 153280650
The reverse of 81749672 is 27694718
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	8.1749672 × 10^7
Engineering notation	8.1749672 × 10^6

Prime Factorization of 81749672

Prime Factorization 2 × 2 × 2 × 10218709

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20437418	Product of the distinct prime numbers

The prime factorization of 81749672 is 2 × 2 × 2 × 10218709. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 33, 62, 828, 189, 6138, 5873, 78733, 64926, 48253, 576527, 7967510, 2205960, 60516612, 65042654, 157640451, 822558958, 4870107527, 2183263708

Basic calculations (n = 81749672)

Multiplication

n×y

n×2	163499344
n×3	245249016
n×4	326998688
n×5	408748360

Division

n÷y

n÷2	40874836
n÷3	27249890.666667
n÷3	20437418
n÷5	16349934.4

Exponentiation

n^y

n²	6683008872107584
n³	5.4633378326788E+23
n⁴	4.4662607584669E+31
n⁵	3.6511535207114E+39

Nth Root

^y√n

²√n	9041.5525215529
³√n	434.00560633247
⁴√n	95.08707862561
⁵√n	38.238179166099

Divisors of 81749672

1, 2, 4, 8, 10218709, 20437418, 40874836, 81749672

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81749671	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81749672 can be divided by 8 positive divisors. The sum of these divisors (counting 81749672) is 1, the average is 0.125.

Base conversion 81749672

Base	System	Value
2	Binary	100110111110110011010101000
3	Ternary	12200211022110122
4	Quaternary	10313312122220
5	Quinary	131411442142
6	Senary	12040102412
8	Octal	467663250
10	Decimal	81749672
12	Duodecimal	23464a08
16	Hexadecimal	4df66a8
20	Vigesimal	15aie3c
36	Base36	1co6g8

Cryptographic Hash Functions

md5	aff41db99fdd453cc747dbbde4b5bc58
sha1	874e50047ef4b5417cf84e61d3adc89b5181c77f
sha256	7b9df0ec119daa30a2d1c5719da57d0be88f4ce04ecdc808c003b62688f3b2b0
sha512	a0fc97cb035afec6192fd01d30ff70a20babc689723ebf7bcf3e005e33fc25e74db66b4cd9496647f166baaf15cec0e62f96e703e90a3e692fdfd75760e4cd3c
ripemd-160	4fb074881ee66634c7c6d67bb9d033e7e658c05d

81749672 as geometric shapes

Circle

Radius = n

Diameter	163499344
Circumference	513648337.97715
Area	2.0995291576489E+16

Sphere

Radius = n

Volume	2.2884775998964E+24
Surface area	8.3981166305954E+16
Circumference	513648337.97715

Square

Length = n

Perimeter	326998688
Area	6683008872107584
Diagonal	115611494.86195

Cube

Length = n

Surface area	40098053232645504
Volume	5.4633378326788E+23
Space diagonal	141594585.40609

Equilateral Triangle

Length = n

Perimeter	245249016
Area	2.893827728481E+15
Altitude	70797292.703045

Triangular Pyramid

Length = n

Surface area	2.893827728481E+15
Volume	6.4386053823337E+22
Height	38537164.953984