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

81617072 (number)

81617072 is an even 8-digits composite number following 81617071 and preceding 81617073. In scientific notation, it is written as 8.1617072 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 10 positive divisors. There are 40808528 positive integers (up to 81617072) that are relatively prime to 81617072.

Interesting facts

81617072 has 10 divisors, whose sum is 158133108
The reverse of 81617072 is 27071618
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	eighty-one million six hundred seventeen thousand seventy-two

Notation

Scientific notation	8.1617072 × 10^7
Engineering notation	8.1617072 × 10^6

Prime Factorization of 81617072

Prime Factorization 2 × 2 × 2 × 2 × 5101067

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	10202134	Product of the distinct prime numbers

The prime factorization of 81617072 is 2 × 2 × 2 × 2 × 5101067. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 4, 85, 58, 204, 562, 566, 9855, 92801, 45413, 538152, 459466, 2180905, 6084770, 48032068, 5274547, 214567465, 567174767, 3088044976, 3386779438

Basic calculations (n = 81617072)

Multiplication

n×y

n×2	163234144
n×3	244851216
n×4	326468288
n×5	408085360

Division

n÷y

n÷2	40808536
n÷3	27205690.666667
n÷3	20404268
n÷5	16323414.4

Exponentiation

n^y

n²	6661346441853184
n³	5.4367959216168E+23
n⁴	4.437353641839E+31
n⁵	3.6216381167544E+39

Nth Root

^y√n

²√n	9034.2167341724
³√n	433.77082338497
⁴√n	95.04849674862
⁵√n	38.225766454578

Divisors of 81617072

1, 2, 4, 8, 16, 5101067, 10202134, 20404268, 40808536, 81617072

10 divisors

τ	Total Divisors	10	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81617071	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.1	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	10	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81617072 can be divided by 10 positive divisors. The sum of these divisors (counting 81617072) is 1, the average is 0.1.

Base conversion 81617072

Base	System	Value
2	Binary	100110111010110000010110000
3	Ternary	12200120120120112
4	Quaternary	10313112002300
5	Quinary	131343221242
6	Senary	12033200452
8	Octal	467260260
10	Decimal	81617072
12	Duodecimal	23400128
16	Hexadecimal	4dd60b0
20	Vigesimal	15a22dc
36	Base36	1clc4w

Cryptographic Hash Functions

md5	68336cb0c6fa80c504c1b4cd42d77136
sha1	79b483df45c92b18b817d13627eb406b12bc216d
sha256	01b8ec5eb91508b0caa57c7d4751f05af6c28d0d5779f5dd497132f76a360e0c
sha512	508f57cc87921e83164c5664f689b05954d1b6a569ec5692b3ac190bed41d288657a7234ca324845b2a09e119bc7dab8250faf6339ee2ebdd395f1c32cf3e8bb
ripemd-160	e799445cfa6521da6cfe5e907f5f55ea9f8f94e6

81617072 as geometric shapes

Circle

Radius = n

Diameter	163234144
Circumference	512815187.60542
Area	2.0927237044742E+16

Sphere

Radius = n

Volume	2.2773597501891E+24
Surface area	8.370894817897E+16
Circumference	512815187.60542

Square

Length = n

Perimeter	326468288
Area	6661346441853184
Diagonal	115423970.14358

Cube

Length = n

Surface area	39968078651119104
Volume	5.4367959216168E+23
Space diagonal	141364915.46901

Equilateral Triangle

Length = n

Perimeter	244851216
Area	2.884447621027E+15
Altitude	70682457.734504

Triangular Pyramid

Length = n

Surface area	2.884447621027E+15
Volume	6.407325440171E+22
Height	38474656.714527