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

81126091 (number)

81126091 is an odd 8-digits composite number following 81126090 and preceding 81126092. In scientific notation, it is written as 8.1126091 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 75277440 positive integers (up to 81126091) that are relatively prime to 81126091.

Interesting facts

81126091 has 8 divisors, whose sum is 87109344
The reverse of 81126091 is 19062118
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	eighty-one million one hundred twenty-six thousand ninety-one

Notation

Scientific notation	8.1126091 × 10^7
Engineering notation	8.1126091 × 10^6

Prime Factorization of 81126091

Prime Factorization 17 × 71 × 67213

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81126091	Product of the distinct prime numbers

The prime factorization of 81126091 is 17 × 71 × 67213. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 10, 62, 97, 254, 74, 7510, 7627, 54977, 10047, 683790, 991850, 6498624, 2275113, 49329120, 44878453, 363633483, 954895405, 2109335438, 560636154

Basic calculations (n = 81126091)

Multiplication

n×y

n×2	162252182
n×3	243378273
n×4	324504364
n×5	405630455

Division

n÷y

n÷2	40563045.5
n÷3	27042030.333333
n÷3	20281522.75
n÷5	16225218.2

Exponentiation

n^y

n²	6581442640940281
n³	5.339267146002E+23
n⁴	4.3315387235987E+31
n⁵	3.5140080466069E+39

Nth Root

^y√n

²√n	9007.0023315196
³√n	432.89926665885
⁴√n	94.905228156934
⁵√n	38.179664703126

Divisors of 81126091

1, 17, 71, 1207, 67213, 1142621, 4772123, 81126091

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	-81126090	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 81126091 can be divided by 8 positive divisors. The sum of these divisors (counting 81126091) is 1, the average is 0.125.

Base conversion 81126091

Base	System	Value
2	Binary	100110101011110001011001011
3	Ternary	12122122122002001
4	Quaternary	10311132023023
5	Quinary	131232013331
6	Senary	12014451431
8	Octal	465361313
10	Decimal	81126091
12	Duodecimal	23203b77
16	Hexadecimal	4d5e2cb
20	Vigesimal	1570f4b
36	Base36	1cataj

Cryptographic Hash Functions

md5	0170600c86b1be2193dbc3dc734e84c2
sha1	17702061277e8450610ee9bc2f466c04dd2d03fc
sha256	a18fcde1e7f03a678d6254c014f15b3a105a9dcd10c08b37a86091a898599839
sha512	1d67fa53ed6706b61a4cdeafa0f9a504391ed4d459169029af95c4a5e48d6d026ff0b7dd807511a19c48ee3fbb8d0a2966ce80df74711c1757445066e57d5888
ripemd-160	350e66bf8ba3f6a4cc8eb016e2f97d7dde29fe7c

81126091 as geometric shapes

Circle

Radius = n

Diameter	162252182
Circumference	509730263.00011
Area	2.0676211850801E+16

Sphere

Radius = n

Volume	2.2365069921911E+24
Surface area	8.2704847403202E+16
Circumference	509730263.00011

Square

Length = n

Perimeter	324504364
Area	6581442640940281
Diagonal	114729618.15451

Cube

Length = n

Surface area	39488655845641686
Volume	5.339267146002E+23
Space diagonal	140514511.43146

Equilateral Triangle

Length = n

Perimeter	243378273
Area	2.8498482603022E+15
Altitude	70257255.715728

Triangular Pyramid

Length = n

Surface area	2.8498482603022E+15
Volume	6.2923866758409E+22
Height	38243206.051505