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

72181997 (number)

72181997 is an odd 8-digits composite number following 72181996 and preceding 72181998. In scientific notation, it is written as 7.2181997 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 72024960 positive integers (up to 72181997) that are relatively prime to 72181997.

Interesting facts

72181997 has 4 divisors, whose sum is 72339036
The reverse of 72181997 is 79918127
Previous prime number is 461

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

Name	seventy-two million one hundred eighty-one thousand nine hundred ninety-seven

Notation

Scientific notation	7.2181997 × 10^7
Engineering notation	7.2181997 × 10^6

Prime Factorization of 72181997

Prime Factorization 461 × 156577

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	72181997	Product of the distinct prime numbers

The prime factorization of 72181997 is 461 × 156577. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 9, 13, 705, 722, 4905, 4900, 83841, 52719, 317182, 303565, 9286869, 8075496, 1222782, 6855498, 320348881, 819537103, 4813460861, 8708602628

Basic calculations (n = 72181997)

Multiplication

n×y

n×2	144363994
n×3	216545991
n×4	288727988
n×5	360909985

Division

n÷y

n÷2	36090998.5
n÷3	24060665.666667
n÷3	18045499.25
n÷5	14436399.4

Exponentiation

n^y

n²	5210240690908009
n³	3.760855779204E+23
n⁴	2.7146608057194E+31
n⁵	1.9594963813445E+39

Nth Root

^y√n

²√n	8495.9988818267
³√n	416.36699654421
⁴√n	92.173742908849
⁵√n	37.298020097613

Divisors of 72181997

1, 461, 156577, 72181997

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	-72181996	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 72181997 can be divided by 4 positive divisors. The sum of these divisors (counting 72181997) is 1, the average is 0.25.

Base conversion 72181997

Base	System	Value
2	Binary	100010011010110100011101101
3	Ternary	12000211020002022
4	Quaternary	10103112203231
5	Quinary	121434310442
6	Senary	11055035525
8	Octal	423264355
10	Decimal	72181997
12	Duodecimal	2020bba5
16	Hexadecimal	44d68ed
20	Vigesimal	12b2ejh
36	Base36	16z3zh

Cryptographic Hash Functions

md5	d6e4846625330e7dc0662e051ef0dacc
sha1	adc12c82b5be3e5f09bcd623a4c885330bd3f766
sha256	6d028e75d087c68b1df763d94609b9f3a925bc74745214aaa8d4186828068514
sha512	e76656604032986789d1175ca5cad3576adde7e01328ab97fbb820b4ada796a42d2cc2d6821b3bd366b376a104f066e107a90a16b273ae5d0325b8a2c35a467d
ripemd-160	73e3d58050a977941bdf90ac0053b926f121c306

72181997 as geometric shapes

Circle

Radius = n

Diameter	144363994
Circumference	453532862.99328
Area	1.6368453877991E+16

Sphere

Radius = n

Volume	1.5753435849544E+24
Surface area	6.5473815511965E+16
Circumference	453532862.99328

Square

Length = n

Perimeter	288727988
Area	5210240690908009
Diagonal	102080759.11657

Cube

Length = n

Surface area	31261444145448054
Volume	3.760855779204E+23
Space diagonal	125022886.19578

Equilateral Triangle

Length = n

Perimeter	216545991
Area	2.2561003990789E+15
Altitude	62511443.097892

Triangular Pyramid

Length = n

Surface area	2.2561003990789E+15
Volume	4.4322110408996E+22
Height	34026919.705525