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

81672495 (number)

81672495 is an odd 8-digits composite number following 81672494 and preceding 81672496. In scientific notation, it is written as 8.1672495 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 43443584 positive integers (up to 81672495) that are relatively prime to 81672495.

Interesting facts

81672495 has 8 divisors, whose sum is 87347520
The reverse of 81672495 is 59427618
Previous prime number is 389

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	eighty-one million six hundred seventy-two thousand four hundred ninety-five

Notation

Scientific notation	8.1672495 × 10^7
Engineering notation	8.1672495 × 10^6

Prime Factorization of 81672495

Prime Factorization 15 × 389 × 13997

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81672495	Product of the distinct prime numbers

The prime factorization of 81672495 is 15 × 389 × 13997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 37, 46, 28, 665, 8394, 64, 30701, 7120, 285022, 544421, 2335006, 296798, 48461003, 60246975, 11354384, 827303885, 6776764711, 5521146547

Basic calculations (n = 81672495)

Multiplication

n×y

n×2	163344990
n×3	245017485
n×4	326689980
n×5	408362475

Division

n÷y

n÷2	40836247.5
n÷3	27224165
n÷3	20418123.75
n÷5	16334499

Exponentiation

n^y

n²	6670396439525025
n³	5.4478791985513E+23
n⁴	4.4494188660428E+31
n⁵	3.6339514008979E+39

Nth Root

^y√n

²√n	9037.2836073679
³√n	433.86898683722
⁴√n	95.064628581654
⁵√n	38.230956573206

Divisors of 81672495

1, 15, 389, 5835, 13997, 209955, 5444833, 81672495

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	-81672494	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 81672495 can be divided by 8 positive divisors. The sum of these divisors (counting 81672495) is 1, the average is 0.125.

Base conversion 81672495

Base	System	Value
2	Binary	100110111100011100100101111
3	Ternary	12200200101121020
4	Quaternary	10313203210233
5	Quinary	131402004440
6	Senary	12034305223
8	Octal	467434457
10	Decimal	81672495
12	Duodecimal	23428213
16	Hexadecimal	4de392f
20	Vigesimal	15a914f
36	Base36	1cmiwf

Cryptographic Hash Functions

md5	89b22fb17140ae763de2a252b702da73
sha1	42acb4d5b943062f7f96db6aeb51d923dc8114ae
sha256	5d2515ec9aeaa443af55308c5a1b04d9331a742218a901077dbced3a88bfa480
sha512	3c95213268687e0f56448005d95979c0e90d5e0f398889c15bf3a092132f0f7119c2c949f02f48dc1b56669cd75aa1dc67e83a118dc9eb4f04a912c31802b7a9
ripemd-160	4eefe629f883572b7d82b96cad817df37c158c8f

81672495 as geometric shapes

Circle

Radius = n

Diameter	163344990
Circumference	513163420.5847
Area	2.0955668450943E+16

Sphere

Radius = n

Volume	2.2820023023751E+24
Surface area	8.3822673803773E+16
Circumference	513163420.5847

Square

Length = n

Perimeter	326689980
Area	6670396439525025
Diagonal	115502350.10185

Cube

Length = n

Surface area	40022378637150150
Volume	5.4478791985513E+23
Space diagonal	141460910.92092

Equilateral Triangle

Length = n

Perimeter	245017485
Area	2.888366384971E+15
Altitude	70730455.460458

Triangular Pyramid

Length = n

Surface area	2.888366384971E+15
Volume	6.4203872073012E+22
Height	38500783.367283