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

81949069 (number)

81949069 is an odd 8-digits composite number following 81949068 and preceding 81949070. In scientific notation, it is written as 8.1949069 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 77689920 positive integers (up to 81949069) that are relatively prime to 81949069.

Interesting facts

81949069 has 8 divisors, whose sum is 86271552
The reverse of 81949069 is 96094918
Previous prime number is 113

Basic properties

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

Name

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

Notation

Scientific notation	8.1949069 × 10^7
Engineering notation	8.1949069 × 10^6

Prime Factorization of 81949069

Prime Factorization 23 × 113 × 31531

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81949069	Product of the distinct prime numbers

The prime factorization of 81949069 is 23 × 113 × 31531. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 9, 99, 15, 81, 27, 9820, 2144, 91592, 79059, 570040, 869712, 4973621, 4193387, 86434230, 89500893, 592458471, 792260403, 8034588903, 3080888042

Basic calculations (n = 81949069)

Multiplication

n×y

n×2	163898138
n×3	245847207
n×4	327796276
n×5	409745345

Division

n÷y

n÷2	40974534.5
n÷3	27316356.333333
n÷3	20487267.25
n÷5	16389813.8

Exponentiation

n^y

n²	6715649909966761
n³	5.5034125785171E+23
n⁴	4.5099953713237E+31
n⁵	3.6958992187428E+39

Nth Root

^y√n

²√n	9052.5725073042
³√n	434.35818328698
⁴√n	95.145007789711
⁵√n	38.256814470677

Divisors of 81949069

1, 23, 113, 2599, 31531, 725213, 3563003, 81949069

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	-81949068	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 81949069 can be divided by 8 positive divisors. The sum of these divisors (counting 81949069) is 1, the average is 0.125.

Base conversion 81949069

Base	System	Value
2	Binary	100111000100111000110001101
3	Ternary	12201012102222201
4	Quaternary	10320213012031
5	Quinary	131434332234
6	Senary	12044241501
8	Octal	470470615
10	Decimal	81949069
12	Duodecimal	23540291
16	Hexadecimal	4e2718d
20	Vigesimal	15c3cd9
36	Base36	1csgb1

Cryptographic Hash Functions

md5	7b36fa3eca40cee8d86cc91ec94de866
sha1	f34c0bbff55bda8e405c35aae69965eb9a65ba8e
sha256	1c069ba48ea7212e0476494c831cbeab9649da84991686373c789350ba6c6642
sha512	4e1164ac47c21b291cd3545ec1852340a66c42cebc6c7d12c826b8888f473c409e5e9a0225cb7c5c263a46c6ecb1047acbc4dad9342f8e8259f70c2ce5b9aee9
ripemd-160	1e42e374c9fcfaea93d0a128fd3cf8cdc6aeeb45

81949069 as geometric shapes

Circle

Radius = n

Diameter	163898138
Circumference	514901186.27785
Area	2.1097836421233E+16

Sphere

Radius = n

Volume	2.3052640701791E+24
Surface area	8.439134568493E+16
Circumference	514901186.27785

Square

Length = n

Perimeter	327796276
Area	6715649909966761
Diagonal	115893484.80365

Cube

Length = n

Surface area	40293899459800566
Volume	5.5034125785171E+23
Space diagonal	141939951.14097

Equilateral Triangle

Length = n

Perimeter	245847207
Area	2.9079617124769E+15
Altitude	70969975.570484

Triangular Pyramid

Length = n

Surface area	2.9079617124769E+15
Volume	6.485833923228E+22
Height	38631161.601216