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

81220007 (number)

81220007 is an odd 8-digits composite number following 81220006 and preceding 81220008. In scientific notation, it is written as 8.1220007 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 73836360 positive integers (up to 81220007) that are relatively prime to 81220007.

Interesting facts

81220007 has 4 divisors, whose sum is 88603656
The reverse of 81220007 is 70002218
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	eighty-one million two hundred twenty thousand seven

Notation

Scientific notation	8.1220007 × 10^7
Engineering notation	8.1220007 × 10^6

Prime Factorization of 81220007

Prime Factorization 11 × 7383637

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81220007	Product of the distinct prime numbers

The prime factorization of 81220007 is 11 × 7383637. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 10, 51, 11, 990, 261, 7311, 9293, 77678, 70504, 955041, 455489, 2231024, 8863616, 52165304, 15353905, 869345367, 494056015, 9945473527, 2274778229

Basic calculations (n = 81220007)

Multiplication

n×y

n×2	162440014
n×3	243660021
n×4	324880028
n×5	406100035

Division

n÷y

n÷2	40610003.5
n÷3	27073335.666667
n÷3	20305001.75
n÷5	16244001.4

Exponentiation

n^y

n²	6596689537080049
n³	5.3578317037847E+23
n⁴	4.3516312848621E+31
n⁵	3.5343952341792E+39

Nth Root

^y√n

²√n	9012.2143227955
³√n	433.06625152774
⁴√n	94.932683111748
⁵√n	38.188500386211

Divisors of 81220007

1, 11, 7383637, 81220007

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	-81220006	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 81220007 can be divided by 4 positive divisors. The sum of these divisors (counting 81220007) is 1, the average is 0.25.

Base conversion 81220007

Base	System	Value
2	Binary	100110101110101000110100111
3	Ternary	12122211101220102
4	Quaternary	10311311012213
5	Quinary	131243020012
6	Senary	12020454315
8	Octal	465650647
10	Decimal	81220007
12	Duodecimal	2324a39b
16	Hexadecimal	4d751a7
20	Vigesimal	157ca07
36	Base36	1cctrb

Cryptographic Hash Functions

md5	4f3ff94df16ec997400f0a24a9a65536
sha1	9f2cee3094fc303d7f4d66647e4f4d7613e31071
sha256	e55013ce9ff8025a84b715bcda90d7624293aa47a23d90b1d9d4071c6df276f3
sha512	b62e663127092a1c23e936eb60e686af926d0c5099c642f854cea9027eabd33fd758d4e0b5e6ebe75c70ed8ec075a1f4f90215a324c6f3bff55bd993cf15d7cc
ripemd-160	2f9dfcbb91ba3c4faf4f87924bc3e16a1963fb8e

81220007 as geometric shapes

Circle

Radius = n

Diameter	162440014
Circumference	510320354.63142
Area	2.0724111387703E+16

Sphere

Radius = n

Volume	2.2442832959707E+24
Surface area	8.2896445550813E+16
Circumference	510320354.63142

Square

Length = n

Perimeter	324880028
Area	6596689537080049
Diagonal	114862435.43544

Cube

Length = n

Surface area	39580137222480294
Volume	5.3578317037847E+23
Space diagonal	140677178.7151

Equilateral Triangle

Length = n

Perimeter	243660021
Area	2.8564503599952E+15
Altitude	70338589.35755

Triangular Pyramid

Length = n

Surface area	2.8564503599952E+15
Volume	6.314265217004E+22
Height	38287478.478479