16855981 (number)

16855981 is an odd 8-digits composite number following 16855980 and preceding 16855982. In scientific notation, it is written as 1.6855981 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 16682112 positive integers (up to 16855981) that are relatively prime to 16855981.

Interesting facts

Basic properties

Name

Name sixteen million eight hundred fifty-five thousand nine hundred eighty-one

Notation

Scientific notation 1.6855981 × 10^7
Engineering notation 1.6855981 × 10^6

Prime Factorization of 16855981

Prime Factorization 97 × 173773

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16855981
Product of the distinct prime numbers

The prime factorization of 16855981 is 97 × 173773. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16855981)

Multiplication

n×y
n×2 33711962
n×3 50567943
n×4 67423924
n×5 84279905

Division

n÷y
n÷2 8427990.5
n÷3 5618660.3333333
n÷3 4213995.25
n÷5 3371196.2

Exponentiation

ny
n2 284124095472361
n3 4.7891903549243E+21
n4 8.0726501627987E+28
n5 1.3607243776378E+36

Nth Root

y√n
2√n 4105.6036097022
3√n 256.39999419946
4√n 64.074984273913
5√n 27.88372600842

Divisors of 16855981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -16855980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16855981 can be divided by 4 positive divisors. The sum of these divisors (counting 16855981) is 1, the average is 0.25.

Base conversion 16855981

Base System Value
2 Binary 1000000010011001110101101
3 Ternary 1011201101001121
4 Quaternary 1000103032231
5 Quinary 13303342411
6 Senary 1401140541
8 Octal 100231655
10 Decimal 16855981
12 Duodecimal 578a751
16 Hexadecimal 10133ad
20 Vigesimal 556jj1
36 Base36 a1a5p

Cryptographic Hash Functions

md5 214d74800d82c445ea2d12cf12aa1c5b
sha1 cda3e0b2c2e607803952168e1864c0beb61a3d17
sha256 990db860e1ec5ba74fc8af32c72e8d05fb8ba402871918ab3dcb3e5f7de6216a
sha512 6df5dda7b6c6e4246141119037d39707bdb12680cdc1b7f76032694873c03c9865d3552831393cba90118318d7b76fc450fd90023bba2fc41b750ba0ff2ddd27
ripemd-160 a3c39401aa8801dfe6ee00d590f4d56a055d04d7

16855981 as geometric shapes

Circle

Radius = n
Diameter 33711962
Circumference 105909252.1573
Area 8.9260217104381E+14

Sphere

Radius = n
Volume 2.0060913647564E+22
Surface area 3.5704086841753E+15
Circumference 105909252.1573

Square

Length = n
Perimeter 67423924
Area 284124095472361
Diagonal 23837956.937303

Cube

Length = n
Surface area 1704744572834166
Volume 4.7891903549243E+21
Space diagonal 29195415.503416

Equilateral Triangle

Length = n
Perimeter 50567943
Area 1.2302934225317E+14
Altitude 14597707.751708

Triangular Pyramid

Length = n
Surface area 1.2302934225317E+14
Volume 5.6441149606003E+20
Height 7945985.6457677