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

81012968 (number)

81012968 is an even 8-digits composite number following 81012967 and preceding 81012969. In scientific notation, it is written as 8.1012968 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 8 positive divisors. There are 40506480 positive integers (up to 81012968) that are relatively prime to 81012968.

Interesting facts

81012968 has 8 divisors, whose sum is 151899330
The reverse of 81012968 is 86921018
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	eighty-one million twelve thousand nine hundred sixty-eight

Notation

Scientific notation	8.1012968 × 10^7
Engineering notation	8.1012968 × 10^6

Prime Factorization of 81012968

Prime Factorization 2 × 2 × 2 × 10126621

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20253242	Product of the distinct prime numbers

The prime factorization of 81012968 is 2 × 2 × 2 × 10126621. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 48, 33, 402, 892, 9644, 784, 95435, 89039, 253337, 907138, 2664431, 7413724, 68828846, 31007789, 187399148, 775661711, 2585401234, 2849284484

Basic calculations (n = 81012968)

Multiplication

n×y

n×2	162025936
n×3	243038904
n×4	324051872
n×5	405064840

Division

n÷y

n÷2	40506484
n÷3	27004322.666667
n÷3	20253242
n÷5	16202593.6

Exponentiation

n^y

n²	6563100984169024
n³	5.3169629001125E+23
n⁴	4.30742945284E+31
n⁵	3.4895764442519E+39

Nth Root

^y√n

²√n	9000.7204156112
³√n	432.69796009766
⁴√n	94.872126652728
⁵√n	38.169011141108

Divisors of 81012968

1, 2, 4, 8, 10126621, 20253242, 40506484, 81012968

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	-81012967	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 81012968 can be divided by 8 positive divisors. The sum of these divisors (counting 81012968) is 1, the average is 0.125.

Base conversion 81012968

Base	System	Value
2	Binary	100110101000010100011101000
3	Ternary	12122102212220022
4	Quaternary	10311002203220
5	Quinary	131214403333
6	Senary	12012220012
8	Octal	465024350
10	Decimal	81012968
12	Duodecimal	2316a608
16	Hexadecimal	4d428e8
20	Vigesimal	1566c88
36	Base36	1c8e08

Cryptographic Hash Functions

md5	6b8b8b873385e3c533a3588e12c4531b
sha1	dec9681df7f13e44c4845b5908e42a4a842be953
sha256	b902c41197cd8a87b5f72a4f958e578e36fc7f92cf0e15271b9a46e9589a7160
sha512	1eddb56de4f4b537fcfbc3e8b34a798fb5597b9e4e52266ebe9dfdd9f9d7a71c4b1fceb24d7ba2ffb74ef0ea03ab5863e312f75270cce26b6d5d14d19c4dbc7a
ripemd-160	f3680efabb45a11a28507fca50d09f00bf9e51d3

81012968 as geometric shapes

Circle

Radius = n

Diameter	162025936
Circumference	509019490.22861
Area	2.0618589836633E+16

Sphere

Radius = n

Volume	2.2271642115204E+24
Surface area	8.2474359346533E+16
Circumference	509019490.22861

Square

Length = n

Perimeter	324051872
Area	6563100984169024
Diagonal	114569638.0737

Cube

Length = n

Surface area	39378605905014144
Volume	5.3169629001125E+23
Space diagonal	140318576.64795

Equilateral Triangle

Length = n

Perimeter	243038904
Area	2.8419060899465E+15
Altitude	70159288.323976

Triangular Pyramid

Length = n

Surface area	2.8419060899465E+15
Volume	6.2661008699781E+22
Height	38189879.357899