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

72156945 (number)

72156945 is an odd 8-digits composite number following 72156944 and preceding 72156946. In scientific notation, it is written as 7.2156945 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 32518080 positive integers (up to 72156945) that are relatively prime to 72156945.

Interesting facts

72156945 has 8 divisors, whose sum is 73877760
The reverse of 72156945 is 54965127
Previous prime number is 71

Basic properties

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

Name

Name	seventy-two million one hundred fifty-six thousand nine hundred forty-five

Notation

Scientific notation	7.2156945 × 10^7
Engineering notation	7.2156945 × 10^6

Prime Factorization of 72156945

Prime Factorization 105 × 71 × 9679

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	72156945	Product of the distinct prime numbers

The prime factorization of 72156945 is 105 × 71 × 9679. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 80, 58, 715, 933, 1680, 6831, 83704, 5477, 174506, 90315, 6089211, 4921143, 17050205, 67887153, 638563268, 482816781, 5492482315, 663911197

Basic calculations (n = 72156945)

Multiplication

n×y

n×2	144313890
n×3	216470835
n×4	288627780
n×5	360784725

Division

n÷y

n÷2	36078472.5
n÷3	24052315
n÷3	18039236.25
n÷5	14431389

Exponentiation

n^y

n²	5206624711733025
n³	3.7569413296016E+23
n⁴	2.7108940888829E+31
n⁵	1.9560983567235E+39

Nth Root

^y√n

²√n	8494.5244128203
³√n	416.31882186818
⁴√n	92.165744248177
⁵√n	37.295430754608

Divisors of 72156945

1, 71, 105, 7455, 9679, 687209, 1016295, 72156945

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	-72156944	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 72156945 can be divided by 8 positive divisors. The sum of these divisors (counting 72156945) is 1, the average is 0.125.

Base conversion 72156945

Base	System	Value
2	Binary	100010011010000011100010001
3	Ternary	12000202221201110
4	Quaternary	10103100130101
5	Quinary	121433010240
6	Senary	11054323533
8	Octal	423203421
10	Decimal	72156945
12	Duodecimal	201b95a9
16	Hexadecimal	44d0711
20	Vigesimal	12ajc75
36	Base36	16yknl

Cryptographic Hash Functions

md5	38983c20d8b48ffbd23308461cf8078a
sha1	cac741c4979fa1dfac64a35dbc705dee7b072c4b
sha256	1766734182dffcd07e268817ca6e45a262762619df3837dc052858a485e182fa
sha512	e21ca7990a028e9bb0c32bf192e3fa5227a5ee07371ef4f4aa781587b61a9b7499a1d88ecfc00d1d5ac682c52a9759094666f365f321be68c6c37658d63b5d58
ripemd-160	feab4e26ceb4fdab82f9fef3c40e67fe89ff91f5

72156945 as geometric shapes

Circle

Radius = n

Diameter	144313890
Circumference	453375456.63497
Area	1.635709394438E+16

Sphere

Radius = n

Volume	1.5737039041392E+24
Surface area	6.5428375777518E+16
Circumference	453375456.63497

Square

Length = n

Perimeter	288627780
Area	5206624711733025
Diagonal	102045330.23841

Cube

Length = n

Surface area	31239748270398150
Volume	3.7569413296016E+23
Space diagonal	124979494.85895

Equilateral Triangle

Length = n

Perimeter	216470835
Area	2.2545346341663E+15
Altitude	62489747.429477

Triangular Pyramid

Length = n

Surface area	2.2545346341663E+15
Volume	4.4275978178022E+22
Height	34015110.07947