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

81666312 (number)

81666312 is an even 8-digits composite number following 81666311 and preceding 81666313. In scientific notation, it is written as 8.1666312 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 21150720 positive integers (up to 81666312) that are relatively prime to 81666312.

Interesting facts

81666312 has 32 divisors, whose sum is 156459480
The reverse of 81666312 is 21366618
Previous prime number is 61

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	eighty-one million six hundred sixty-six thousand three hundred twelve

Notation

Scientific notation	8.1666312 × 10^7
Engineering notation	8.1666312 × 10^6

Prime Factorization of 81666312

Prime Factorization 2 × 2 × 2 × 273 × 61 × 613

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	20416578	Product of the distinct prime numbers

The prime factorization of 81666312 is 2 × 2 × 2 × 273 × 61 × 613. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 6, 79, 98, 98, 129, 6576, 2670, 70582, 39687, 726092, 468409, 8356108, 4849871, 9377113, 20983049, 141974279, 881363103, 5208829221, 3009227256

Basic calculations (n = 81666312)

Multiplication

n×y

n×2	163332624
n×3	244998936
n×4	326665248
n×5	408331560

Division

n÷y

n÷2	40833156
n÷3	27222104
n÷3	20416578
n÷5	16333262.4

Exponentiation

n^y

n²	6669386515681344
n³	5.4466420003823E+23
n⁴	4.4480716495552E+31
n⁵	3.6325760713093E+39

Nth Root

^y√n

²√n	9036.9415180137
³√n	433.85803790579
⁴√n	95.062829318371
⁵√n	38.230377702282

Divisors of 81666312

1, 2, 4, 8, 61, 122, 244, 273, 488, 546, 613, 1092, 1226, 2184, 2452, 4904, 16653, 33306, 37393, 66612, 74786, 133224, 149572, 167349, 299144, 334698, 669396, 1338792, 10208289, 20416578, 40833156, 81666312

32 divisors

τ	Total Divisors	32	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81666311	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.03125	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	32	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81666312 can be divided by 32 positive divisors. The sum of these divisors (counting 81666312) is 1, the average is 0.03125.

Base conversion 81666312

Base	System	Value
2	Binary	100110111100010000100001000
3	Ternary	12200200002010020
4	Quaternary	10313202010020
5	Quinary	131401310222
6	Senary	12034220440
8	Octal	467420410
10	Decimal	81666312
12	Duodecimal	23424720
16	Hexadecimal	4de2108
20	Vigesimal	15a85fc
36	Base36	1cme4o

Cryptographic Hash Functions

md5	8a37f216a5dec6bbd511e03523216c21
sha1	98662351cf5ffe67e14c1a478fa9a3b6e5f54454
sha256	09983a6c7e97f26fe00a5b205619436df76ba10902b19cd1c87f1f15fe09c7cd
sha512	f5f87e6ca743366802f075648e89dc529ff6ad774c74bb5b6a91b1bac1bdb465783a87f1c84d328800a72a887ea2abf19cc752a29214ab5051f759e0d74fd73d
ripemd-160	b4948faa6cd394ab0fc935d68d490ee8674102d7

81666312 as geometric shapes

Circle

Radius = n

Diameter	163332624
Circumference	513124571.64994
Area	2.0952495681615E+16

Sphere

Radius = n

Volume	2.2814840660179E+24
Surface area	8.3809982726461E+16
Circumference	513124571.64994

Square

Length = n

Perimeter	326665248
Area	6669386515681344
Diagonal	115493606.01939

Cube

Length = n

Surface area	40016319094088064
Volume	5.4466420003823E+23
Space diagonal	141450201.65077

Equilateral Triangle

Length = n

Perimeter	244998936
Area	2.8879290751187E+15
Altitude	70725100.825386

Triangular Pyramid

Length = n

Surface area	2.8879290751187E+15
Volume	6.4189291552763E+22
Height	38497868.673131