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

81008055 (number)

81008055 is an odd 8-digits composite number following 81008054 and preceding 81008056. In scientific notation, it is written as 8.1008055 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 43204272 positive integers (up to 81008055) that are relatively prime to 81008055.

Interesting facts

81008055 has 8 divisors, whose sum is 115211520
The reverse of 81008055 is 55080018
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	eighty-one million eight thousand fifty-five

Notation

Scientific notation	8.1008055 × 10^7
Engineering notation	8.1008055 × 10^6

Prime Factorization of 81008055

Prime Factorization 15 × 3 × 1800179

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81008055	Product of the distinct prime numbers

The prime factorization of 81008055 is 15 × 3 × 1800179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 17, 37, 778, 594, 1106, 5782, 14250, 71123, 669341, 728289, 4488616, 7704546, 81379465, 4476951, 182890150, 138868998, 7569353567, 5651310304

Basic calculations (n = 81008055)

Multiplication

n×y

n×2	162016110
n×3	243024165
n×4	324032220
n×5	405040275

Division

n÷y

n÷2	40504027.5
n÷3	27002685
n÷3	20252013.75
n÷5	16201611

Exponentiation

n^y

n²	6562304974883025
n³	5.315995623321E+23
n⁴	4.3063846583374E+31
n⁵	3.4885184525376E+39

Nth Root

^y√n

²√n	9000.4474888752
³√n	432.68921298755
⁴√n	94.870688249191
⁵√n	38.168548180904

Divisors of 81008055

1, 3, 15, 45, 1800179, 5400537, 27002685, 81008055

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	-81008054	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 81008055 can be divided by 8 positive divisors. The sum of these divisors (counting 81008055) is 1, the average is 0.125.

Base conversion 81008055

Base	System	Value
2	Binary	100110101000001010110110111
3	Ternary	12122102122011100
4	Quaternary	10311001112313
5	Quinary	131214224210
6	Senary	12012141143
8	Octal	465012667
10	Decimal	81008055
12	Duodecimal	231677b3
16	Hexadecimal	4d415b7
20	Vigesimal	156602f
36	Base36	1c8a7r

Cryptographic Hash Functions

md5	5f0f4fc5f3f222802250ca287a9d3a7c
sha1	6b88b450555ec90fda94359bdd1d63c7bcaeca29
sha256	037c5da7754f75b39c9ce0ea0bebee7fbd8708eaf66d9fc571bf69af1d5141d5
sha512	bc375763d6b39118807f46219f51ea2e36611091541e129bb68bc1b32404a0d672266efa9ea466660b4750035f70f2723423b3c2c63f1612e8b26b320815ebdb
ripemd-160	a16fb98b31c094f586cb7ac18106f2f889b86a88

81008055 as geometric shapes

Circle

Radius = n

Diameter	162016110
Circumference	508988620.9392
Area	2.0616089099708E+16

Sphere

Radius = n

Volume	2.2267590395654E+24
Surface area	8.2464356398833E+16
Circumference	508988620.9392

Square

Length = n

Perimeter	324032220
Area	6562304974883025
Diagonal	114562690.04247

Cube

Length = n

Surface area	39373829849298150
Volume	5.315995623321E+23
Space diagonal	140310067.08233

Equilateral Triangle

Length = n

Perimeter	243024165
Area	2.8415614078149E+15
Altitude	70155033.541167

Triangular Pyramid

Length = n

Surface area	2.8415614078149E+15
Volume	6.2649609233471E+22
Height	38187563.347489