2015981 (number)

2015981 is an odd 7-digits composite number following 2015980 and preceding 2015982. In scientific notation, it is written as 2.015981 × 10^6. The sum of its digits is 26. It has a total of 3 prime factors and 6 positive divisors. There are 1832600 positive integers (up to 2015981) that are relatively prime to 2015981.

Interesting facts

Basic properties

Name

Name two million fifteen thousand nine hundred eighty-one

Notation

Scientific notation 2.015981 × 10^6
Engineering notation 2.015981 × 10^6

Prime Factorization of 2015981

Prime Factorization 11 × 11 × 16661

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 183271
Product of the distinct prime numbers

The prime factorization of 2015981 is 11 × 11 × 16661. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2015981)

Multiplication

n×y
n×2 4031962
n×3 6047943
n×4 8063924
n×5 10079905

Division

n÷y
n÷2 1007990.5
n÷3 671993.66666667
n÷3 503995.25
n÷5 403196.2

Exponentiation

ny
n2 4064179392361
n3 8193308435591321141
n4 1.6517554133292E+25
n5 3.3299075299188E+31

Nth Root

y√n
2√n 1419.8524571236
3√n 126.32679509066
4√n 37.680929621277
5√n 18.234643918503

Divisors of 2015981

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2015980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2015981 can be divided by 6 positive divisors. The sum of these divisors (counting 2015981) is 1, the average is 0.16666666666667.

Base conversion 2015981

Base System Value
2 Binary 111101100001011101101
3 Ternary 10210102101222
4 Quaternary 13230023231
5 Quinary 1004002411
6 Senary 111113125
8 Octal 7541355
10 Decimal 2015981
12 Duodecimal 8127a5
16 Hexadecimal 1ec2ed
20 Vigesimal cbjj1
36 Base36 177jh

Cryptographic Hash Functions

md5 fc9c89e111a0ba29c708ea8c041d24a2
sha1 f6374e23aecbee901a488248d31ec2fd8bcc5a11
sha256 3ca24d722357bb25a3eab867c40b94045bc46e536643d0a0d3fa62c1c30cdec5
sha512 550813fecbe152c5a8c1595a7110c02747fef539697e3e20f5cb0214dc754f1d93534ab57537cf7d9ecde66e79a8bdd5c04ee4b3821c3f47bcf93d18376234aa
ripemd-160 98e950f8f99ca22d71ec1987822ba1ae9daeb0b8

2015981 as geometric shapes

Circle

Radius = n
Diameter 4031962
Circumference 12666782.198753
Area 12767996121912

Sphere

Radius = n
Volume 3.4320050119799E+19
Surface area 51071984487649
Circumference 12666782.198753

Square

Length = n
Perimeter 8063924
Area 4064179392361
Diagonal 2851027.6716865

Cube

Length = n
Surface area 24385076354166
Volume 8193308435591321141
Space diagonal 3491781.5190935

Equilateral Triangle

Length = n
Perimeter 6047943
Area 1759841299660.9
Altitude 1745890.7595468

Triangular Pyramid

Length = n
Surface area 1759841299660.9
Volume 9.6559065919326E+17
Height 950342.55722882