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

81640577 (number)

81640577 is an odd 8-digits composite number following 81640576 and preceding 81640578. In scientific notation, it is written as 8.1640577 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 78908400 positive integers (up to 81640577) that are relatively prime to 81640577.

Interesting facts

81640577 has 8 divisors, whose sum is 84379392
The reverse of 81640577 is 77504618
Previous prime number is 1381

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty-one million six hundred forty thousand five hundred seventy-seven

Notation

Scientific notation	8.1640577 × 10^7
Engineering notation	8.1640577 × 10^6

Prime Factorization of 81640577

Prime Factorization 31 × 1381 × 1907

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81640577	Product of the distinct prime numbers

The prime factorization of 81640577 is 31 × 1381 × 1907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 8, 27, 34, 843, 719, 6163, 5360, 11532, 55940, 158921, 784261, 4120275, 8486757, 85269812, 80088411, 722298034, 843560235, 6391507841, 3642915348

Basic calculations (n = 81640577)

Multiplication

n×y

n×2	163281154
n×3	244921731
n×4	326562308
n×5	408202885

Division

n÷y

n÷2	40820288.5
n÷3	27213525.666667
n÷3	20410144.25
n÷5	16328115.4

Exponentiation

n^y

n²	6665183812892929
n³	5.4414945229564E+23
n⁴	4.442467525965E+31
n⁵	3.6268561212354E+39

Nth Root

^y√n

²√n	9035.5175280667
³√n	433.81246011751
⁴√n	95.055339292786
⁵√n	38.227967938

Divisors of 81640577

1, 31, 1381, 1907, 42811, 59117, 2633567, 81640577

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	-81640576	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 81640577 can be divided by 8 positive divisors. The sum of these divisors (counting 81640577) is 1, the average is 0.125.

Base conversion 81640577

Base	System	Value
2	Binary	100110111011011110010000001
3	Ternary	12200121202211002
4	Quaternary	10313123302001
5	Quinary	131344444302
6	Senary	12033501345
8	Octal	467336201
10	Decimal	81640577
12	Duodecimal	23411855
16	Hexadecimal	4ddbc81
20	Vigesimal	15a518h
36	Base36	1clu9t

Cryptographic Hash Functions

md5	82f762217deb27b7b27e7e4c7f4b8e9d
sha1	488320c60d62cad41563e54cdc56a147f8bbb6d9
sha256	101e9c01b133bfc5164fef2e27c2eb27276b3137195c9f4b765af9fa87a71926
sha512	54386164da81c0c6abf8dc64b7d2e378696ed1c6f6b15fa7c06936f8b8aee19647aed415211972b84531f5eb1b85a7d83498c717b3a09a8a74048e5d39760a91
ripemd-160	170432e800dc81359289bce080c3b661a77c2db0

81640577 as geometric shapes

Circle

Radius = n

Diameter	163281154
Circumference	512962873.87606
Area	2.093929250141E+16

Sphere

Radius = n

Volume	2.2793278957159E+24
Surface area	8.375717000564E+16
Circumference	512962873.87606

Square

Length = n

Perimeter	326562308
Area	6665183812892929
Diagonal	115457211.23336

Cube

Length = n

Surface area	39991102877357574
Volume	5.4414945229564E+23
Space diagonal	141405627.32324

Equilateral Triangle

Length = n

Perimeter	244921731
Area	2.8861092514291E+15
Altitude	70702813.66162

Triangular Pyramid

Length = n

Surface area	2.8861092514291E+15
Volume	6.4128627949532E+22
Height	38485737.077788