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

81450489 (number)

81450489 is an odd 8-digits composite number following 81450488 and preceding 81450490. In scientific notation, it is written as 8.1450489 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 54300324 positive integers (up to 81450489) that are relatively prime to 81450489.

Interesting facts

81450489 has 4 divisors, whose sum is 108600656
The reverse of 81450489 is 98405418
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	eighty-one million four hundred fifty thousand four hundred eighty-nine

Notation

Scientific notation	8.1450489 × 10^7
Engineering notation	8.1450489 × 10^6

Prime Factorization of 81450489

Prime Factorization 3 × 27150163

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81450489	Product of the distinct prime numbers

The prime factorization of 81450489 is 3 × 27150163. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 6, 91, 5, 329, 831, 7950, 5271, 948, 56348, 257447, 269721, 8202216, 3073201, 79962299, 88063557, 677359022, 288094752, 5412204550, 7851531914

Basic calculations (n = 81450489)

Multiplication

n×y

n×2	162900978
n×3	244351467
n×4	325801956
n×5	407252445

Division

n÷y

n÷2	40725244.5
n÷3	27150163
n÷3	20362622.25
n÷5	16290097.8

Exponentiation

n^y

n²	6634182158339121
n³	5.403573809118E+23
n⁴	4.4012372910025E+31
n⁵	3.5848292955719E+39

Nth Root

^y√n

²√n	9024.9924653708
³√n	433.47550910012
⁴√n	94.999960344049
⁵√n	38.210149702362

Divisors of 81450489

1, 3, 27150163, 81450489

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	-81450488	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 81450489 can be divided by 4 positive divisors. The sum of these divisors (counting 81450489) is 1, the average is 0.25.

Base conversion 81450489

Base	System	Value
2	Binary	100110110101101010111111001
3	Ternary	12200021010001210
4	Quaternary	10312231113321
5	Quinary	131322403424
6	Senary	12025433333
8	Octal	466552771
10	Decimal	81450489
12	Duodecimal	2333b849
16	Hexadecimal	4dad5f9
20	Vigesimal	1591649
36	Base36	1chrll

Cryptographic Hash Functions

md5	7792ad8a838acf5d5cb64e888285e807
sha1	1dd91c899115452f697b621782e0f1409fc1c34f
sha256	18b2a44d4fd599ac3f410e1164acc51503cf7b4018295ddf795ef2e9d786b6ee
sha512	8bd39b0e993efdbb9b453d445608a28ee464c3c652c72a27cfc1501c4bd49f97c27965c1d68ed63ea1263492e23b8ef35a33079bd550e81604e948c69f2c8bf2
ripemd-160	823caa202deca927cb58bcc14e2dcbda4c0cb37d

81450489 as geometric shapes

Circle

Radius = n

Diameter	162900978
Circumference	511768515.74739
Area	2.0841897931215E+16

Sphere

Radius = n

Volume	2.2634437042474E+24
Surface area	8.3367591724859E+16
Circumference	511768515.74739

Square

Length = n

Perimeter	325801956
Area	6634182158339121
Diagonal	115188386.20572

Cube

Length = n

Surface area	39805092950034726
Volume	5.403573809118E+23
Space diagonal	141076385.24933

Equilateral Triangle

Length = n

Perimeter	244351467
Area	2.8726851412276E+15
Altitude	70538192.624665

Triangular Pyramid

Length = n

Surface area	2.8726851412276E+15
Volume	6.3681728051156E+22
Height	38396128.73524