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

81490504 (number)

81490504 is an even 8-digits composite number following 81490503 and preceding 81490505. In scientific notation, it is written as 8.1490504 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 39797520 positive integers (up to 81490504) that are relatively prime to 81490504.

Interesting facts

81490504 has 16 divisors, whose sum is 156348720
The reverse of 81490504 is 40509418
Previous prime number is 43

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million four hundred ninety thousand five hundred four

Notation

Scientific notation	8.1490504 × 10^7
Engineering notation	8.1490504 × 10^6

Prime Factorization of 81490504

Prime Factorization 2 × 2 × 2 × 43 × 236891

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	20372626	Product of the distinct prime numbers

The prime factorization of 81490504 is 2 × 2 × 2 × 43 × 236891. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 34, 52, 802, 392, 5320, 4476, 95575, 64596, 315206, 162598, 7816178, 9513912, 43234015, 62064774, 489017936, 718101511, 2717227585, 243365624

Basic calculations (n = 81490504)

Multiplication

n×y

n×2	162981008
n×3	244471512
n×4	325962016
n×5	407452520

Division

n÷y

n÷2	40745252
n÷3	27163501.333333
n÷3	20372626
n÷5	16298100.8

Exponentiation

n^y

n²	6640702242174016
n³	5.4115417262869E+23
n⁴	4.4098926269215E+31
n⁵	3.5936437275372E+39

Nth Root

^y√n

²√n	9027.2090925158
³√n	433.54648343468
⁴√n	95.011626091315
⁵√n	38.213903341622

Divisors of 81490504

1, 2, 4, 8, 43, 86, 172, 344, 236891, 473782, 947564, 1895128, 10186313, 20372626, 40745252, 81490504

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	-81490503	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 81490504 can be divided by 16 positive divisors. The sum of these divisors (counting 81490504) is 1, the average is 0.0625.

Base conversion 81490504

Base	System	Value
2	Binary	100110110110111001001001000
3	Ternary	12200100010221211
4	Quaternary	10312313021020
5	Quinary	131330144004
6	Senary	12030342504
8	Octal	466671110
10	Decimal	81490504
12	Duodecimal	2335aa34
16	Hexadecimal	4db7248
20	Vigesimal	1596654
36	Base36	1cimh4

Cryptographic Hash Functions

md5	42611905e697abb73857ad48c5e98e59
sha1	277f4d4f2a25d610e911e839ac418c3d3bdb1129
sha256	22f3e0c8345fcc9e2d28cc00dd40fede7d091356daddbab35579db967bcec2a1
sha512	39623a939ec413f1c7c59b5d7613233a9bfd4c9832405bdd9db05cda54736c2cf60ddda673df21eb79ad9003a744674bf1988d06fe9413828a8a78812a4a6cc9
ripemd-160	9a22bb345b7e08cbc9a05fbfa840ed868a6c06f2

81490504 as geometric shapes

Circle

Radius = n

Diameter	162981008
Circumference	512019937.40746
Area	2.0862381378691E+16

Sphere

Radius = n

Volume	2.2667812975863E+24
Surface area	8.3449525514765E+16
Circumference	512019937.40746

Square

Length = n

Perimeter	325962016
Area	6640702242174016
Diagonal	115244975.96142

Cube

Length = n

Surface area	39844213453044096
Volume	5.4115417262869E+23
Space diagonal	141145693.26239

Equilateral Triangle

Length = n

Perimeter	244471512
Area	2.8755084203455E+15
Altitude	70572846.631197

Triangular Pyramid

Length = n

Surface area	2.8755084203455E+15
Volume	6.3775630855524E+22
Height	38414991.98714