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

72028161 (number)

72028161 is an odd 8-digits composite number following 72028160 and preceding 72028162. In scientific notation, it is written as 7.2028161 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 47667456 positive integers (up to 72028161) that are relatively prime to 72028161.

Interesting facts

72028161 has 8 divisors, whose sum is 80616840
The reverse of 72028161 is 16182027
Previous prime number is 137

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	seventy-two million twenty-eight thousand one hundred sixty-one

Notation

Scientific notation	7.2028161 × 10^7
Engineering notation	7.2028161 × 10^6

Prime Factorization of 72028161

Prime Factorization 9 × 137 × 58417

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	72028161	Product of the distinct prime numbers

The prime factorization of 72028161 is 9 × 137 × 58417. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 21, 96, 722, 813, 3222, 3628, 21538, 97493, 670263, 570791, 7141008, 8584437, 45415827, 52110740, 430425226, 5120679, 9117160843, 8272945067

Basic calculations (n = 72028161)

Multiplication

n×y

n×2	144056322
n×3	216084483
n×4	288112644
n×5	360140805

Division

n÷y

n÷2	36014080.5
n÷3	24009387
n÷3	18007040.25
n÷5	14405632.2

Exponentiation

n^y

n²	5188055977041921
n³	3.7368613119139E+23
n⁴	2.691592482092E+31
n⁵	1.9387045664652E+39

Nth Root

^y√n

²√n	8486.9406148506
³√n	416.0709957263
⁴√n	92.124592888384
⁵√n	37.282108440638

Divisors of 72028161

1, 9, 137, 1233, 58417, 525753, 8003129, 72028161

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	-72028160	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 72028161 can be divided by 8 positive divisors. The sum of these divisors (counting 72028161) is 1, the average is 0.125.

Base conversion 72028161

Base	System	Value
2	Binary	100010010110001000000000001
3	Ternary	12000112102001200
4	Quaternary	10102301000001
5	Quinary	121414400121
6	Senary	11051451413
8	Octal	422610001
10	Decimal	72028161
12	Duodecimal	20156b69
16	Hexadecimal	44b1001
20	Vigesimal	12a3a81
36	Base36	16vta9

Cryptographic Hash Functions

md5	09f047e8c42ed27088510893cd2696b7
sha1	db1c0d3e42573f9b29b8fc353ed84a08cb7c1676
sha256	11c3a3fd05c6fb8a3811615c3eb7eb601b78210b2820baf1046926620262cfe3
sha512	29fb0470049cda17749e49371903627f45ce8c79b5d596315cf860e51e5fe812542fac7a481e0ceccf191e0ffd34c9f071e5fa506f5d02eed0bd54b1e46b52e0
ripemd-160	9fdfd2c0a1c7c99fd9a14c6b3a179b711aaaae78

72028161 as geometric shapes

Circle

Radius = n

Diameter	144056322
Circumference	452566282.89837
Area	1.6298758543888E+16

Sphere

Radius = n

Volume	1.565292805999E+24
Surface area	6.519503417555E+16
Circumference	452566282.89837

Square

Length = n

Perimeter	288112644
Area	5188055977041921
Diagonal	101863202.15899

Cube

Length = n

Surface area	31128335862251526
Volume	3.7368613119139E+23
Space diagonal	124756434.42775

Equilateral Triangle

Length = n

Perimeter	216084483
Area	2.246494136187E+15
Altitude	62378217.213876

Triangular Pyramid

Length = n

Surface area	2.246494136187E+15
Volume	4.4039332900133E+22
Height	33954400.719664