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

72642181 (number)

72642181 is an odd 8-digits composite number following 72642180 and preceding 72642182. In scientific notation, it is written as 7.2642181 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 71338032 positive integers (up to 72642181) that are relatively prime to 72642181.

Interesting facts

72642181 has 8 divisors, whose sum is 73956960
The reverse of 72642181 is 18124627
Previous prime number is 173

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	seventy-two million six hundred forty-two thousand one hundred eighty-one

Notation

Scientific notation	7.2642181 × 10^7
Engineering notation	7.2642181 × 10^6

Prime Factorization of 72642181

Prime Factorization 83 × 173 × 5059

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	72642181	Product of the distinct prime numbers

The prime factorization of 72642181 is 83 × 173 × 5059. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 5, 41, 2, 564, 845, 8491, 1451, 34950, 70533, 290761, 965428, 1626082, 413834, 64500597, 30605808, 271943624, 118787992, 2324807564, 1377617491

Basic calculations (n = 72642181)

Multiplication

n×y

n×2	145284362
n×3	217926543
n×4	290568724
n×5	363210905

Division

n÷y

n÷2	36321090.5
n÷3	24214060.333333
n÷3	18160545.25
n÷5	14528436.2

Exponentiation

n^y

n²	5276886460436761
n³	3.833245413755E+23
n⁴	2.7845530716341E+31
n⁵	2.0227600823375E+39

Nth Root

^y√n

²√n	8523.0382493569
³√n	417.24994839459
⁴√n	92.320302476524
⁵√n	37.345456713778

Divisors of 72642181

1, 83, 173, 5059, 14359, 419897, 875207, 72642181

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	-72642180	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 72642181 can be divided by 8 positive divisors. The sum of these divisors (counting 72642181) is 1, the average is 0.125.

Base conversion 72642181

Base	System	Value
2	Binary	100010101000110111010000101
3	Ternary	12001200121100011
4	Quaternary	10111012322011
5	Quinary	122044022211
6	Senary	11112550221
8	Octal	425067205
10	Decimal	72642181
12	Duodecimal	203b2371
16	Hexadecimal	4546e85
20	Vigesimal	12e0591
36	Base36	178z2d

Cryptographic Hash Functions

md5	4fe76bdaa6220aea555ebc00e2f74744
sha1	3e1cf3666e3c29cb12911ec09b93e54e9f3336bb
sha256	2e460cb1def57024fa53f5ea828acf6b2e8181882f76b440916beee27c29413b
sha512	48eb4d47f42283740a290e256b20e0460a52ae6ed1b29488dd49973b48d5d07f25b1e0f48669c2de644f8681f8e3b6bc2af825a57a6b5e496fc5f18e257af2fb
ripemd-160	d3425ef9898b0dad2c57cc442c70c8938bfb6f4d

72642181 as geometric shapes

Circle

Radius = n

Diameter	145284362
Circumference	456424284.34068
Area	1.6577827737936E+16

Sphere

Radius = n

Volume	1.6056660841679E+24
Surface area	6.6311310951742E+16
Circumference	456424284.34068

Square

Length = n

Perimeter	290568724
Area	5276886460436761
Diagonal	102731557.57056

Cube

Length = n

Surface area	31661318762620566
Volume	3.833245413755E+23
Space diagonal	125819948.26461

Equilateral Triangle

Length = n

Perimeter	217926543
Area	2.2849588638122E+15
Altitude	62909974.132307

Triangular Pyramid

Length = n

Surface area	2.2849588638122E+15
Volume	4.5175230433639E+22
Height	34243852.52352