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

81274090 (number)

81274090 is an even 8-digits composite number following 81274089 and preceding 81274091. In scientific notation, it is written as 8.1274090 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 32509632 positive integers (up to 81274090) that are relatively prime to 81274090.

Interesting facts

81274090 has 8 divisors, whose sum is 146293380
The reverse of 81274090 is 09047218
Previous prime number is 5

Basic properties

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

Name

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

Notation

Scientific notation	8.1274090 × 10^7
Engineering notation	8.1274090 × 10^6

Prime Factorization of 81274090

Prime Factorization 2 × 5 × 8127409

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	81274090	Product of the distinct prime numbers

The prime factorization of 81274090 is 2 × 5 × 8127409. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 67, 73, 590, 493, 6741, 5204, 4207, 40335, 876227, 732767, 138312, 1172511, 76687650, 86197904, 231562623, 818201872, 1269410724, 256706018

Basic calculations (n = 81274090)

Multiplication

n×y

n×2	162548180
n×3	243822270
n×4	325096360
n×5	406370450

Division

n÷y

n÷2	40637045
n÷3	27091363.333333
n÷3	20318522.5
n÷5	16254818

Exponentiation

n^y

n²	6605477705328100
n³	5.3685418951583E+23
n⁴	4.3632335715587E+31
n⁵	3.5461783798588E+39

Nth Root

^y√n

²√n	9015.2143623987
³√n	433.1623539792
⁴√n	94.9484826756
⁵√n	38.19358484471

Divisors of 81274090

1, 2, 5, 10, 8127409, 16254818, 40637045, 81274090

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	-81274089	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 81274090 can be divided by 8 positive divisors. The sum of these divisors (counting 81274090) is 1, the average is 0.125.

Base conversion 81274090

Base	System	Value
2	Binary	100110110000010010011101010
3	Ternary	12122221011002111
4	Quaternary	10312002103222
5	Quinary	131301232330
6	Senary	12021552534
8	Octal	466022352
10	Decimal	81274090
12	Duodecimal	2327574a
16	Hexadecimal	4d824ea
20	Vigesimal	157j54a
36	Base36	1cdzhm

Cryptographic Hash Functions

md5	95fbeafb38dd8fabb3c53f8d81343680
sha1	132c72471f2bac34551afe56d9738785cd470d86
sha256	fbc98b3636b16aee755a8bad6fddfb768f2e752a1fbbc56b9049abf88386ac71
sha512	797947f70bc8f1e2847b52ed24a8d3dff278da08ca8948d8063fba0cfd50bf1f3ab2e9432ea102812828f073d0a174da2be217ebe0817375cdc09f91c2c849d5
ripemd-160	996410b669d289c5e6e6602a211f356dae5cccd1

81274090 as geometric shapes

Circle

Radius = n

Diameter	162548180
Circumference	510660168.14239
Area	2.075172023251E+16

Sphere

Radius = n

Volume	2.2487695704424E+24
Surface area	8.300688093004E+16
Circumference	510660168.14239

Square

Length = n

Perimeter	325096360
Area	6605477705328100
Diagonal	114938920.34753

Cube

Length = n

Surface area	39632866231968600
Volume	5.3685418951583E+23
Space diagonal	140770853.21893

Equilateral Triangle

Length = n

Perimeter	243822270
Area	2.8602557484729E+15
Altitude	70385426.609463

Triangular Pyramid

Length = n

Surface area	2.8602557484729E+15
Volume	6.3268872985842E+22
Height	38312973.449177