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

16660981 (number)

16660981 is an odd 8-digits composite number following 16660980 and preceding 16660982. In scientific notation, it is written as 1.6660981 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 16001760 positive integers (up to 16660981) that are relatively prime to 16660981.

Interesting facts

16660981 has 8 divisors, whose sum is 17328384
The reverse of 16660981 is 18906661
Previous prime number is 137

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	sixteen million six hundred sixty thousand nine hundred eighty-one

Notation

Scientific notation	1.6660981 × 10^7
Engineering notation	1.6660981 × 10^6

Prime Factorization of 16660981

Prime Factorization 31 × 137 × 3923

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	16660981	Product of the distinct prime numbers

The prime factorization of 16660981 is 31 × 137 × 3923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 6, 39, 166, 192, 6994, 2920, 72682, 42582, 912989, 49953, 6641927, 3902015, 10726042, 97916925, 495041524, 438118465, 6665862317, 8381176534

Basic calculations (n = 16660981)

Multiplication

n×y

n×2	33321962
n×3	49982943
n×4	66643924
n×5	83304905

Division

n÷y

n÷2	8330490.5
n÷3	5553660.3333333
n÷3	4165245.25
n÷5	3332196.2

Exponentiation

n^y

n²	277588287882361
n³	4.6248931902305E+21
n⁴	7.7055257569461E+28
n⁵	1.2838161823149E+36

Nth Root

^y√n

²√n	4081.7864961313
³√n	255.40742762761
⁴√n	63.888860501118
⁵√n	27.818910278817

Divisors of 16660981

1, 31, 137, 3923, 4247, 121613, 537451, 16660981

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	-16660980	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 16660981 can be divided by 8 positive divisors. The sum of these divisors (counting 16660981) is 1, the average is 0.125.

Base conversion 16660981

Base	System	Value
2	Binary	111111100011100111110101
3	Ternary	1011100110120101
4	Quaternary	333203213311
5	Quinary	13231122411
6	Senary	1353034101
8	Octal	77434765
10	Decimal	16660981
12	Duodecimal	56b5931
16	Hexadecimal	fe39f5
20	Vigesimal	542c91
36	Base36	9x3p1

Cryptographic Hash Functions

md5	f18ad0e93907eb6fe2dc955a58296d98
sha1	691af621346a228b859bda2538192686d9e491ca
sha256	1bfa5701c4f1277b52922bac016b4b17b234824d9ba4f20b8533bed3166a5392
sha512	75c83e3deec3df2c00d2944726ab27c6c5352a71efb21cd3f566998af2fef18ba7c4035fa1fd1059d308874ae633f4adb0bcb8a55868c10896037f89c969b2f2
ripemd-160	d0e6b878048a847637257d0e9a1994d7f1d50411

16660981 as geometric shapes

Circle

Radius = n

Diameter	33321962
Circumference	104684031.0224
Area	8.7206932593379E+14

Sphere

Radius = n

Volume	1.9372707293421E+22
Surface area	3.4882773037352E+15
Circumference	104684031.0224

Square

Length = n

Perimeter	66643924
Area	277588287882361
Diagonal	23562185.29264

Cube

Length = n

Surface area	1665529727294166
Volume	4.6248931902305E+21
Space diagonal	28857665.59594

Equilateral Triangle

Length = n

Perimeter	49982943
Area	1.2019925454958E+14
Altitude	14428832.79797

Triangular Pyramid

Length = n

Surface area	1.2019925454958E+14
Volume	5.4504888951258E+20
Height	7854061.7642135