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

81874421 (number)

81874421 is an odd 8-digits composite number following 81874420 and preceding 81874422. In scientific notation, it is written as 8.1874421 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 81416844 positive integers (up to 81874421) that are relatively prime to 81874421.

Interesting facts

81874421 has 4 divisors, whose sum is 82332000
The reverse of 81874421 is 12447818
Previous prime number is 179

Basic properties

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

Name

Name	eighty-one million eight hundred seventy-four thousand four hundred twenty-one

Notation

Scientific notation	8.1874421 × 10^7
Engineering notation	8.1874421 × 10^6

Prime Factorization of 81874421

Prime Factorization 179 × 457399

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81874421	Product of the distinct prime numbers

The prime factorization of 81874421 is 179 × 457399. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 12, 7, 382, 663, 4443, 1039, 58040, 9589, 277135, 789623, 3074238, 2715227, 62495757, 61327722, 220880072, 682826404, 9034536477, 8500352098

Basic calculations (n = 81874421)

Multiplication

n×y

n×2	163748842
n×3	245623263
n×4	327497684
n×5	409372105

Division

n÷y

n÷2	40937210.5
n÷3	27291473.666667
n÷3	20468605.25
n÷5	16374884.2

Exponentiation

n^y

n²	6703420814085241
n³	5.4883869787258E+23
n⁴	4.4935850610711E+31
n⁵	3.6790967508945E+39

Nth Root

^y√n

²√n	9048.4485410483
³√n	434.22625655036
⁴√n	95.123333315482
⁵√n	38.249842247964

Divisors of 81874421

1, 179, 457399, 81874421

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	-81874420	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 81874421 can be divided by 4 positive divisors. The sum of these divisors (counting 81874421) is 1, the average is 0.25.

Base conversion 81874421

Base	System	Value
2	Binary	100111000010100110111110101
3	Ternary	12201001122120222
4	Quaternary	10320110313311
5	Quinary	131424440141
6	Senary	12042504125
8	Octal	470246765
10	Decimal	81874421
12	Duodecimal	23505045
16	Hexadecimal	4e14df5
20	Vigesimal	15be611
36	Base36	1cquph

Cryptographic Hash Functions

md5	40e192938e642e45656bcd3d1170b846
sha1	3bb8beecb2c2e42f6d9d6969e2fd14c2b977a2c2
sha256	34013a86ca2468e7ecd26d12108f58d33644bcd06887d93d7cfa035a3ef20a4e
sha512	89be0ebbdbc7788a55d43a84b30900f99b375a5268ce0fe290c4e86b0c5ab1850330f68e361c38239bf6612a9c9eb1934b139a63e43bc2acfa4b63feb065277d
ripemd-160	7618f4138fe18d4e4dca670c74c067d44ec2d089

81874421 as geometric shapes

Circle

Radius = n

Diameter	163748842
Circumference	514432159.06104
Area	2.1059417583451E+16

Sphere

Radius = n

Volume	2.2989701616564E+24
Surface area	8.4237670333804E+16
Circumference	514432159.06104

Square

Length = n

Perimeter	327497684
Area	6703420814085241
Diagonal	115787916.58964

Cube

Length = n

Surface area	40220524884511446
Volume	5.4883869787258E+23
Space diagonal	141810657.01228

Equilateral Triangle

Length = n

Perimeter	245623263
Area	2.9026663586276E+15
Altitude	70905328.506142

Triangular Pyramid

Length = n

Surface area	2.9026663586276E+15
Volume	6.4681260840549E+22
Height	38595972.196548