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

81749098 (number)

81749098 is an even 8-digits composite number following 81749097 and preceding 81749099. In scientific notation, it is written as 8.1749098 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 40874548 positive integers (up to 81749098) that are relatively prime to 81749098.

Interesting facts

81749098 has 4 divisors, whose sum is 122623650
The reverse of 81749098 is 89094718
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1

Name

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

Notation

Scientific notation	8.1749098 × 10^7
Engineering notation	8.1749098 × 10^6

Prime Factorization of 81749098

Prime Factorization 2 × 40874549

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81749098	Product of the distinct prime numbers

The prime factorization of 81749098 is 2 × 40874549. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 3, 2, 56, 713, 253, 6220, 2616, 16089, 7278, 138641, 91607, 2905304, 2830578, 87684564, 28234594, 600359763, 904090097, 9329369817, 3173771874

Basic calculations (n = 81749098)

Multiplication

n×y

n×2	163498196
n×3	245247294
n×4	326996392
n×5	408745490

Division

n÷y

n÷2	40874549
n÷3	27249699.333333
n÷3	20437274.5
n÷5	16349819.6

Exponentiation

n^y

n²	6682915023813604
n³	5.4632227520741E+23
n⁴	4.4661353215514E+31
n⁵	3.6510253408276E+39

Nth Root

^y√n

²√n	9041.520779161
³√n	434.00459054939
⁴√n	95.086911713237
⁵√n	38.238125468571

Divisors of 81749098

1, 2, 40874549, 81749098

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	-81749097	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 81749098 can be divided by 4 positive divisors. The sum of these divisors (counting 81749098) is 1, the average is 0.25.

Base conversion 81749098

Base	System	Value
2	Binary	100110111110110010001101010
3	Ternary	12200211021200101
4	Quaternary	10313312101222
5	Quinary	131411432343
6	Senary	12040100014
8	Octal	467662152
10	Decimal	81749098
12	Duodecimal	2346460a
16	Hexadecimal	4df646a
20	Vigesimal	15aicei
36	Base36	1co60a

Cryptographic Hash Functions

md5	5c40536694812cbdaf7013edf9613259
sha1	4cefe37c779009444bfe70a3321a8fa4fe051c8e
sha256	c804e29176eaaeed63530213d0628d940080a99f73931578ae9c6387cfd30f3b
sha512	25fb7c0c595eb1fe38ac53eed1f46bb8a9896c449170fd3b153a97e70135eadb60a55519c0e520ebaf983558dda6f5ab22beaaaa8eec4961cb7cf3b602e91bca
ripemd-160	fb2bdbdbcc0880ffccd6fa941db6f4781843b20a

81749098 as geometric shapes

Circle

Radius = n

Diameter	163498196
Circumference	513644731.42878
Area	2.0994996743378E+16

Sphere

Radius = n

Volume	2.2884293950454E+24
Surface area	8.3979986973511E+16
Circumference	513644731.42878

Square

Length = n

Perimeter	326996392
Area	6682915023813604
Diagonal	115610683.10337

Cube

Length = n

Surface area	40097490142881624
Volume	5.4632227520741E+23
Space diagonal	141593591.20893

Equilateral Triangle

Length = n

Perimeter	245247294
Area	2.8937870909776E+15
Altitude	70796795.604464

Triangular Pyramid

Length = n

Surface area	2.8937870909776E+15
Volume	6.4384697585404E+22
Height	38536894.367789