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

72081818 (number)

72081818 is an even 8-digits composite number following 72081817 and preceding 72081819. In scientific notation, it is written as 7.2081818 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 35900416 positive integers (up to 72081818) that are relatively prime to 72081818.

Interesting facts

72081818 has 8 divisors, whose sum is 108544212
The reverse of 72081818 is 81818027
Previous prime number is 257

Basic properties

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

Name

Name	seventy-two million eighty-one thousand eight hundred eighteen

Notation

Scientific notation	7.2081818 × 10^7
Engineering notation	7.2081818 × 10^6

Prime Factorization of 72081818

Prime Factorization 2 × 257 × 140237

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	72081818	Product of the distinct prime numbers

The prime factorization of 72081818 is 2 × 257 × 140237. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 7, 33, 1, 250, 921, 4152, 2813, 1109, 85135, 587368, 877975, 686305, 3850094, 60706523, 83930716, 439665620, 974634422, 2174678122, 8636518391

Basic calculations (n = 72081818)

Multiplication

n×y

n×2	144163636
n×3	216245454
n×4	288327272
n×5	360409090

Division

n÷y

n÷2	36040909
n÷3	24027272.666667
n÷3	18020454.5
n÷5	14416363.6

Exponentiation

n^y

n²	5195788486185124
n³	3.7452188002769E+23
n⁴	2.6996217993174E+31
n⁵	1.9459364720723E+39

Nth Root

^y√n

²√n	8490.1011772534
³√n	416.17428671573
⁴√n	92.141745030434
⁵√n	37.287661408373

Divisors of 72081818

1, 2, 257, 514, 140237, 280474, 36040909, 72081818

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	-72081817	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 72081818 can be divided by 8 positive divisors. The sum of these divisors (counting 72081818) is 1, the average is 0.125.

Base conversion 72081818

Base	System	Value
2	Binary	100010010111110000110011010
3	Ternary	12000122010122222
4	Quaternary	10102332012122
5	Quinary	121423104233
6	Senary	11052544042
8	Octal	422760632
10	Decimal	72081818
12	Duodecimal	20182022
16	Hexadecimal	44be19a
20	Vigesimal	12aa4ai
36	Base36	16wyoq

Cryptographic Hash Functions

md5	23eb7e04ef6ee96b53f542967833cc8b
sha1	57e90842baf2f2b122e27742978d05432c87705b
sha256	38c545ec4f5c39c15d97be64ce2b10b2cd6116ce036ca9b2ad8281ab2645b16e
sha512	0b123e06583ea1d0c750b0cd7acaaefb9aeaee339f1e77b882e6986e9dddb0124943ecb33a614f5e308c013d1eb2c9e92066b2fe589a8672772e71fb46d559ea
ripemd-160	35d47e53b53535ee852256d565d143668a058c1b

72081818 as geometric shapes

Circle

Radius = n

Diameter	144163636
Circumference	452903419.77239
Area	1.6323050937806E+16

Sphere

Radius = n

Volume	1.5687935825382E+24
Surface area	6.5292203751222E+16
Circumference	452903419.77239

Square

Length = n

Perimeter	288327272
Area	5195788486185124
Diagonal	101939084.61611

Cube

Length = n

Surface area	31174730917110744
Volume	3.7452188002769E+23
Space diagonal	124849371.07793

Equilateral Triangle

Length = n

Perimeter	216245454
Area	2.2498424108635E+15
Altitude	62424685.538966

Triangular Pyramid

Length = n

Surface area	2.2498424108635E+15
Volume	4.4137826845053E+22
Height	33979694.872036