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

81749097 (number)

81749097 is an odd 8-digits composite number following 81749096 and preceding 81749098. In scientific notation, it is written as 8.1749097 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 53488800 positive integers (up to 81749097) that are relatively prime to 81749097.

Interesting facts

81749097 has 16 divisors, whose sum is 110512512
The reverse of 81749097 is 79094718
Previous prime number is 101

Basic properties

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

Name

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

Notation

Scientific notation	8.1749097 × 10^7
Engineering notation	8.1749097 × 10^6

Prime Factorization of 81749097

Prime Factorization 3 × 417 × 101 × 647

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	81749097	Product of the distinct prime numbers

The prime factorization of 81749097 is 3 × 417 × 101 × 647. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 8, 76, 803, 429, 3046, 3867, 18750, 63972, 700209, 48462, 6933058, 1187815, 3010881, 39869898, 365186285, 423276872, 7934832477, 5273133819

Basic calculations (n = 81749097)

Multiplication

n×y

n×2	163498194
n×3	245247291
n×4	326996388
n×5	408745485

Division

n÷y

n÷2	40874548.5
n÷3	27249699
n÷3	20437274.25
n÷5	16349819.4

Exponentiation

n^y

n²	6682914860315409
n³	5.4632225515867E+23
n⁴	4.4661351030225E+31
n⁵	3.6510251175209E+39

Nth Root

^y√n

²√n	9041.5207238606
³√n	434.00458877973
⁴√n	95.086911422448
⁵√n	38.238125375021

Divisors of 81749097

1, 3, 101, 303, 417, 647, 1251, 1941, 42117, 65347, 126351, 196041, 269799, 809397, 27249699, 81749097

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81749096	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81749097 can be divided by 16 positive divisors. The sum of these divisors (counting 81749097) is 1, the average is 0.0625.

Base conversion 81749097

Base	System	Value
2	Binary	100110111110110010001101001
3	Ternary	12200211021200100
4	Quaternary	10313312101221
5	Quinary	131411432342
6	Senary	12040100013
8	Octal	467662151
10	Decimal	81749097
12	Duodecimal	23464609
16	Hexadecimal	4df6469
20	Vigesimal	15aiceh
36	Base36	1co609

Cryptographic Hash Functions

md5	b9db861399fb02aaa6a774597ebad66c
sha1	a9692172dc71c042f8254bc8202f28707906798f
sha256	e5079fb1f50a5805325e228670d32d900614c229dcfcf43207dc78e4845c9e85
sha512	99fd6c00248d37b020f230e89695d07a8410000256b888556f1842b274dda51991702f1cbde26caa031fc31e0b645824eafd1a47c994074805cba612ada1498d
ripemd-160	3dfac80e4302ae8b4af1e00c603aa99ebf2c36be

81749097 as geometric shapes

Circle

Radius = n

Diameter	163498194
Circumference	513644725.1456
Area	2.0994996229733E+16

Sphere

Radius = n

Volume	2.2884293110654E+24
Surface area	8.3979984918932E+16
Circumference	513644725.1456

Square

Length = n

Perimeter	326996388
Area	6682914860315409
Diagonal	115610681.68915

Cube

Length = n

Surface area	40097489161892454
Volume	5.4632225515867E+23
Space diagonal	141593589.47688

Equilateral Triangle

Length = n

Perimeter	245247291
Area	2.8937870201808E+15
Altitude	70796794.738438

Triangular Pyramid

Length = n

Surface area	2.8937870201808E+15
Volume	6.4384695222637E+22
Height	38536893.896385