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

81920007 (number)

81920007 is an odd 8-digits composite number following 81920006 and preceding 81920008. In scientific notation, it is written as 8.1920007 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 50412240 positive integers (up to 81920007) that are relatively prime to 81920007.

Interesting facts

81920007 has 8 divisors, whose sum is 98024080
The reverse of 81920007 is 70002918
Previous prime number is 13

Basic properties

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

Name

Name	eighty-one million nine hundred twenty thousand seven

Notation

Scientific notation	8.1920007 × 10^7
Engineering notation	8.1920007 × 10^6

Prime Factorization of 81920007

Prime Factorization 9 × 13 × 700171

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81920007	Product of the distinct prime numbers

The prime factorization of 81920007 is 9 × 13 × 700171. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 5, 50, 34, 868, 111, 5701, 2023, 10853, 40389, 750681, 592173, 6705627, 2838222, 93386234, 51769505, 862053746, 361637523, 1317545832, 7745693684

Basic calculations (n = 81920007)

Multiplication

n×y

n×2	163840014
n×3	245760021
n×4	327680028
n×5	409600035

Division

n÷y

n÷2	40960003.5
n÷3	27306669
n÷3	20480001.75
n÷5	16384001.4

Exponentiation

n^y

n²	6710887546880049
n³	5.4975595481663E+23
n⁴	4.503601166687E+31
n⁵	3.689350391002E+39

Nth Root

^y√n

²√n	9050.9671858868
³√n	434.30683102558
⁴√n	95.136571232554
⁵√n	38.254100645358

Divisors of 81920007

1, 9, 13, 117, 700171, 6301539, 9102223, 81920007

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	-81920006	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 81920007 can be divided by 8 positive divisors. The sum of these divisors (counting 81920007) is 1, the average is 0.125.

Base conversion 81920007

Base	System	Value
2	Binary	100111000100000000000000111
3	Ternary	12201010222010100
4	Quaternary	10320200000013
5	Quinary	131432420012
6	Senary	12043455143
8	Octal	470400007
10	Decimal	81920007
12	Duodecimal	235274b3
16	Hexadecimal	4e20007
20	Vigesimal	15c0007
36	Base36	1crtvr

Cryptographic Hash Functions

md5	d183186c41a8d208517f7014d1a49804
sha1	f3359d464d0b2cb6dec09c58040e98e45cd5e31f
sha256	470e871d82a2d9e22d816c0ab8587de7fa175f6249313a595230746be85a74b4
sha512	f40d790275d1fa9077e4ba67dd9a1c0bf8fe80a0ad34ba2c48f5373a0afe30559e12ab9e833203929bbabc43c5977c16710c50f7392c5c61eefee22812849816
ripemd-160	e79f31f0e466250b44d9c5f71c8e53718e68265a

81920007 as geometric shapes

Circle

Radius = n

Diameter	163840014
Circumference	514718584.34645
Area	2.1082875016346E+16

Sphere

Radius = n

Volume	2.3028123585589E+24
Surface area	8.4331500065382E+16
Circumference	514718584.34645

Square

Length = n

Perimeter	327680028
Area	6710887546880049
Diagonal	115852384.9291

Cube

Length = n

Surface area	40265325281280294
Volume	5.4975595481663E+23
Space diagonal	141889614.2804

Equilateral Triangle

Length = n

Perimeter	245760021
Area	2.9058995487694E+15
Altitude	70944807.140199

Triangular Pyramid

Length = n

Surface area	2.9058995487694E+15
Volume	6.4789360608087E+22
Height	38617461.643033