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

81489274 (number)

81489274 is an even 8-digits composite number following 81489273 and preceding 81489275. In scientific notation, it is written as 8.1489274 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 39961152 positive integers (up to 81489274) that are relatively prime to 81489274.

Interesting facts

81489274 has 8 divisors, whose sum is 122278068
The reverse of 81489274 is 47298418
Previous prime number is 11021

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	eighty-one million four hundred eighty-nine thousand two hundred seventy-four

Notation

Scientific notation	8.1489274 × 10^7
Engineering notation	8.1489274 × 10^6

Prime Factorization of 81489274

Prime Factorization 2 × 11021 × 3697

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81489274	Product of the distinct prime numbers

The prime factorization of 81489274 is 2 × 11021 × 3697. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 77, 41, 748, 507, 22, 4667, 59452, 26653, 975951, 767574, 536418, 2837238, 84498100, 50301620, 486143498, 195001741, 5050937549, 9028160061

Basic calculations (n = 81489274)

Multiplication

n×y

n×2	162978548
n×3	244467822
n×4	325957096
n×5	407446370

Division

n÷y

n÷2	40744637
n÷3	27163091.333333
n÷3	20372318.5
n÷5	16297854.8

Exponentiation

n^y

n²	6640501777047076
n³	5.4112966880728E+23
n⁴	4.4096263850965E+31
n⁵	3.5933725273276E+39

Nth Root

^y√n

²√n	9027.1409648903
³√n	433.54430213816
⁴√n	95.011267568064
⁵√n	38.213787982451

Divisors of 81489274

1, 2, 3697, 7394, 11021, 22042, 40744637, 81489274

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	-81489273	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 81489274 can be divided by 8 positive divisors. The sum of these divisors (counting 81489274) is 1, the average is 0.125.

Base conversion 81489274

Base	System	Value
2	Binary	100110110110110110101111010
3	Ternary	12200100002021021
4	Quaternary	10312312311322
5	Quinary	131330124044
6	Senary	12030333054
8	Octal	466666572
10	Decimal	81489274
12	Duodecimal	2335a18a
16	Hexadecimal	4db6d7a
20	Vigesimal	159633e
36	Base36	1ciliy

Cryptographic Hash Functions

md5	506f2d79a5cbb63990d82372b2a005ad
sha1	59b9339a63386b9f123ee489f12cee10cbdec96e
sha256	297c764def294e8809e859c27c482c86c1358c85506957eb6e5145e6c11a1537
sha512	cb364a756fb46d7f489955004492e6bc0bdf661b16fe13d5872d11aeca8ce8c9d2a53a9c92eeb0b25924ddcbb0a6d3f24112b299d664ec67e0d584ad371f706a
ripemd-160	27aa635b8fd754fe8280ce80d6eb20bd3ee3a4bb

81489274 as geometric shapes

Circle

Radius = n

Diameter	162978548
Circumference	512012209.08953
Area	2.0861751598921E+16

Sphere

Radius = n

Volume	2.2666786562192E+24
Surface area	8.3447006395684E+16
Circumference	512012209.08953

Square

Length = n

Perimeter	325957096
Area	6640501777047076
Diagonal	115243236.47874

Cube

Length = n

Surface area	39843010662282456
Volume	5.4112966880728E+23
Space diagonal	141143562.8399

Equilateral Triangle

Length = n

Perimeter	244467822
Area	2.8754216163992E+15
Altitude	70571781.419951

Triangular Pyramid

Length = n

Surface area	2.8754216163992E+15
Volume	6.3772743052476E+22
Height	38414412.159579