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

81749650 (number)

81749650 is an even 8-digits composite number following 81749649 and preceding 81749651. In scientific notation, it is written as 8.1749650 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 31815360 positive integers (up to 81749650) that are relatively prime to 81749650.

Interesting facts

81749650 has 16 divisors, whose sum is 130979160
The reverse of 81749650 is 05694718
Previous prime number is 37

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	eighty-one million seven hundred forty-nine thousand six hundred fifty

Notation

Scientific notation	8.1749650 × 10^7
Engineering notation	8.1749650 × 10^6

Prime Factorization of 81749650

Prime Factorization 2 × 25 × 37 × 44189

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	81749650	Product of the distinct prime numbers

The prime factorization of 81749650 is 2 × 25 × 37 × 44189. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 59, 99, 191, 69, 5601, 8018, 90457, 26868, 542630, 420105, 3488083, 5547533, 8230977, 56169032, 645006256, 526950208, 6249494213, 8916265749

Basic calculations (n = 81749650)

Multiplication

n×y

n×2	163499300
n×3	245248950
n×4	326998600
n×5	408748250

Division

n÷y

n÷2	40874825
n÷3	27249883.333333
n÷3	20437412.5
n÷5	16349930

Exponentiation

n^y

n²	6683005275122500
n³	5.4633334218942E+23
n⁴	4.4662559507315E+31
n⁵	3.6511486078272E+39

Nth Root

^y√n

²√n	9041.5513049476
³√n	434.00556740011
⁴√n	95.087072228288
⁵√n	38.238177108011

Divisors of 81749650

1, 2, 25, 37, 50, 74, 925, 1850, 44189, 88378, 1104725, 1634993, 2209450, 3269986, 40874825, 81749650

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81749649	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81749650 can be divided by 16 positive divisors. The sum of these divisors (counting 81749650) is 1, the average is 0.0625.

Base conversion 81749650

Base	System	Value
2	Binary	100110111110110011010010010
3	Ternary	12200211022102211
4	Quaternary	10313312122102
5	Quinary	131411442100
6	Senary	12040102334
8	Octal	467663222
10	Decimal	81749650
12	Duodecimal	234649aa
16	Hexadecimal	4df6692
20	Vigesimal	15aie2a
36	Base36	1co6fm

Cryptographic Hash Functions

md5	49455b5e466867414ab9c52929df6d3e
sha1	1f942a2b6297e9a7e5caf99a20cff62b086053c2
sha256	4d4fb5cbbd7e9ab7f532dca25806a3883b732980e9b16425a4c6f9fb450819f9
sha512	843e745c8f18cb00d951b6a450aaa2915f34f6484ea04ad9979f6961a7e0c387546ac5fa777561082b59649b00b24a70e657341255ceed28bda88bfebfd66ed1
ripemd-160	e2eb7103a1cb7b09df32bdf76231382af6301fed

81749650 as geometric shapes

Circle

Radius = n

Diameter	163499300
Circumference	513648199.74707
Area	2.0995280276227E+16

Sphere

Radius = n

Volume	2.2884757523112E+24
Surface area	8.3981121104907E+16
Circumference	513648199.74707

Square

Length = n

Perimeter	326998600
Area	6683005275122500
Diagonal	115611463.74925

Cube

Length = n

Surface area	40098031650735000
Volume	5.4633334218942E+23
Space diagonal	141594547.30097

Equilateral Triangle

Length = n

Perimeter	245248950
Area	2.8938261709407E+15
Altitude	70797273.650487

Triangular Pyramid

Length = n

Surface area	2.8938261709407E+15
Volume	6.4386001841741E+22
Height	38537154.583085