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

81640963 (number)

81640963 is an odd 8-digits composite number following 81640962 and preceding 81640964. In scientific notation, it is written as 8.1640963 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 79649680 positive integers (up to 81640963) that are relatively prime to 81640963.

Interesting facts

81640963 has 4 divisors, whose sum is 83632248
The reverse of 81640963 is 36904618
Previous prime number is 41

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighty-one million six hundred forty thousand nine hundred sixty-three

Notation

Scientific notation	8.1640963 × 10^7
Engineering notation	8.1640963 × 10^6

Prime Factorization of 81640963

Prime Factorization 41 × 1991243

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81640963	Product of the distinct prime numbers

The prime factorization of 81640963 is 41 × 1991243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 4, 64, 34, 534, 623, 4548, 4760, 12056, 37292, 773927, 734929, 3184353, 9316639, 31786873, 29950411, 534992499, 855672637, 3417580919, 359115524

Basic calculations (n = 81640963)

Multiplication

n×y

n×2	163281926
n×3	244922889
n×4	326563852
n×5	408204815

Division

n÷y

n÷2	40820481.5
n÷3	27213654.333333
n÷3	20410240.75
n÷5	16328192.6

Exponentiation

n^y

n²	6665246839567369
n³	5.4415717061499E+23
n⁴	4.4425515432363E+31
n⁵	3.6269418616695E+39

Nth Root

^y√n

²√n	9035.5388881903
³√n	433.81314381081
⁴√n	95.055451648974
⁵√n	38.228004086612

Divisors of 81640963

1, 41, 1991243, 81640963

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	-81640962	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 81640963 can be divided by 4 positive divisors. The sum of these divisors (counting 81640963) is 1, the average is 0.25.

Base conversion 81640963

Base	System	Value
2	Binary	100110111011011111000000011
3	Ternary	12200121210100101
4	Quaternary	10313123320003
5	Quinary	131400002323
6	Senary	12033503231
8	Octal	467337003
10	Decimal	81640963
12	Duodecimal	23411b17
16	Hexadecimal	4ddbe03
20	Vigesimal	15a5283
36	Base36	1clukj

Cryptographic Hash Functions

md5	dc00a00d902497812406090177a7a095
sha1	feb2cd355c065197d4e2f8836ed4c4da3f5af64c
sha256	fc59a162f9f41ecd80b751a07af73c4ad97ef7e7bfc4b6ddf17daa749b4f662e
sha512	dd1774f5305a5c09135ba09a2d056b5a779ea545f58314770ffdf3fb2392d7f6a4eb41e2f51ee901de9593b6351afbbe5752805105dbd41a63442656737d288d
ripemd-160	f192fe957d363cca23e2daa28ae2060935c55bc6

81640963 as geometric shapes

Circle

Radius = n

Diameter	163281926
Circumference	512965299.18559
Area	2.0939490505547E+16

Sphere

Radius = n

Volume	2.2793602261363E+24
Surface area	8.375796202219E+16
Circumference	512965299.18559

Square

Length = n

Perimeter	326563852
Area	6665246839567369
Diagonal	115457757.1198

Cube

Length = n

Surface area	39991481037404214
Volume	5.4415717061499E+23
Space diagonal	141406295.89485

Equilateral Triangle

Length = n

Perimeter	244922889
Area	2.8861365427796E+15
Altitude	70703147.947425

Triangular Pyramid

Length = n

Surface area	2.8861365427796E+15
Volume	6.412953756219E+22
Height	38485919.039933