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

81007 (number)

81007 is an odd 5-digits composite number following 81006 and preceding 81008. In scientific notation, it is written as 8.1007 × 10^4. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 79576 positive integers (up to 81007) that are relatively prime to 81007.

Interesting facts

81007 has 4 divisors, whose sum is 82440
The reverse of 81007 is 70018
Previous prime number is 59

Basic properties

Is Prime? no
Number parity odd
Number length 5
Sum of Digits 16
Digital Root 7

Name

Name	eighty-one thousand seven

Notation

Scientific notation	8.1007 × 10^4
Engineering notation	8.1007 × 10^3

Prime Factorization of 81007

Prime Factorization 59 × 1373

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81007	Product of the distinct prime numbers

The prime factorization of 81007 is 59 × 1373. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 86, 14, 604, 735, 1434, 5848, 59320, 97497, 330414, 886816, 5985937, 5980337, 83248312, 77467736, 262556808, 106286605, 8319137274, 2096684984

Basic calculations (n = 81007)

Multiplication

n×y

n×2	162014
n×3	243021
n×4	324028
n×5	405035

Division

n÷y

n÷2	40503.5
n÷3	27002.333333333
n÷3	20251.75
n÷5	16201.4

Exponentiation

n^y

n²	6562134049
n³	531578792907343
n⁴	4.3061603277045E+19
n⁵	3.4882912966636E+24

Nth Root

^y√n

²√n	284.61728689593
³√n	43.268733461837
⁴√n	16.870604224388
⁵√n	9.5874808560957

Divisors of 81007

1, 59, 1373, 81007

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	-81006	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 81007 can be divided by 4 positive divisors. The sum of these divisors (counting 81007) is 1, the average is 0.25.

Base conversion 81007

Base	System	Value
2	Binary	10011110001101111
3	Ternary	11010010021
4	Quaternary	103301233
5	Quinary	10043012
6	Senary	1423011
8	Octal	236157
10	Decimal	81007
12	Duodecimal	3aa67
16	Hexadecimal	13c6f
20	Vigesimal	a2a7
36	Base36	1qi7

Cryptographic Hash Functions

md5	5955c512b9ce94394f4d92e6fe66e1cf
sha1	57726d1a36f32351d4303e569dccb91b25519c23
sha256	c2f14195fb73fd43bb38072af7429707ca0c97ab8abc30d16a45cac6c288cd0f
sha512	d5247d99a0e026571c61c7ada4e8d84c2a6fb10b2634caa82b30e6d77dc7b347e3336d48c8dafb05c09cfff65112aa921633b9efc97b967c19c7f444573be9cd
ripemd-160	b72d4276d494f199d561ce862a017015e796c791

81007 as geometric shapes

Circle

Radius = n

Diameter	162014
Circumference	508981.9921787
Area	20615552120.21

Sphere

Radius = n

Volume	2.2266720408025E+15
Surface area	82462208480.839
Circumference	508981.9921787

Square

Length = n

Perimeter	324028
Area	6562134049
Diagonal	114561.19804716

Cube

Length = n

Surface area	39372804294
Volume	531578792907343
Space diagonal	140308.23976873

Equilateral Triangle

Length = n

Perimeter	243021
Area	2841487394.7364
Altitude	70154.119884366

Triangular Pyramid

Length = n

Surface area	2841487394.7364
Volume	62647161533290
Height	38187.066015719