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

81749101 (number)

81749101 is an odd 8-digits composite number following 81749100 and preceding 81749102. In scientific notation, it is written as 8.1749101 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 69890688 positive integers (up to 81749101) that are relatively prime to 81749101.

Interesting facts

81749101 has 8 divisors, whose sum is 83631800
The reverse of 81749101 is 10194718
Previous prime number is 433

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	8.1749101 × 10^7
Engineering notation	8.1749101 × 10^6

Prime Factorization of 81749101

Prime Factorization 49 × 433 × 3853

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81749101	Product of the distinct prime numbers

The prime factorization of 81749101 is 49 × 433 × 3853. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 18, 62, 853, 331, 7397, 5004, 66030, 41622, 187012, 997711, 5073500, 4386300, 87955923, 26754156, 706679624, 854148798, 1326877002, 6120150001

Basic calculations (n = 81749101)

Multiplication

n×y

n×2	163498202
n×3	245247303
n×4	326996404
n×5	408745505

Division

n÷y

n÷2	40874550.5
n÷3	27249700.333333
n÷3	20437275.25
n÷5	16349820.2

Exponentiation

n^y

n²	6682915514308201
n³	5.4632233535365E+23
n⁴	4.4661359771381E+31
n⁵	3.651026010748E+39

Nth Root

^y√n

²√n	9041.5209450623
³√n	434.00459585837
⁴√n	95.086912585604
⁵√n	38.238125749221

Divisors of 81749101

1, 49, 433, 3853, 21217, 188797, 1668349, 81749101

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	-81749100	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 81749101 can be divided by 8 positive divisors. The sum of these divisors (counting 81749101) is 1, the average is 0.125.

Base conversion 81749101

Base	System	Value
2	Binary	100110111110110010001101101
3	Ternary	12200211021200111
4	Quaternary	10313312101231
5	Quinary	131411432401
6	Senary	12040100021
8	Octal	467662155
10	Decimal	81749101
12	Duodecimal	23464611
16	Hexadecimal	4df646d
20	Vigesimal	15aicf1
36	Base36	1co60d

Cryptographic Hash Functions

md5	488234044f452d114a049ebc67ce8245
sha1	bb8a660be3ae0b12b2f7121bb58ba2bd96ca2418
sha256	14e90e62c07d80b80eca6d4a92b5830531a315a078ae28b6c54fe77b6fab6e92
sha512	991670970aefb8ba6b790aaff5f6ad39cc883c4c914992214347ea2d491b0b628b037e241ef01022c1506362dd19402a8c9ad498c36a581c32cce22bbe8eeb44
ripemd-160	b206fb2542426bb4ad9b2c928110972d28830687

81749101 as geometric shapes

Circle

Radius = n

Diameter	163498202
Circumference	513644750.27834
Area	2.0994998284312E+16

Sphere

Radius = n

Volume	2.2884296469854E+24
Surface area	8.3979993137248E+16
Circumference	513644750.27834

Square

Length = n

Perimeter	326996404
Area	6682915514308201
Diagonal	115610687.34601

Cube

Length = n

Surface area	40097493085849206
Volume	5.4632233535365E+23
Space diagonal	141593596.40508

Equilateral Triangle

Length = n

Perimeter	245247303
Area	2.893787303368E+15
Altitude	70796798.20254

Triangular Pyramid

Length = n

Surface area	2.893787303368E+15
Volume	6.4384704673706E+22
Height	38536895.782003