1661888 (number)

1661888 is an even 7-digits composite number following 1661887 and preceding 1661889. In scientific notation, it is written as 1.661888 × 10^6. The sum of its digits is 38. It has a total of 8 prime factors and 28 positive divisors. There are 794112 positive integers (up to 1661888) that are relatively prime to 1661888.

Interesting facts

Basic properties

Name

Name one million six hundred sixty-one thousand eight hundred eighty-eight

Notation

Scientific notation 1.661888 × 10^6
Engineering notation 1.661888 × 10^6

Prime Factorization of 1661888

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 23 × 1129

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 51934
Product of the distinct prime numbers

The prime factorization of 1661888 is 2 × 2 × 2 × 2 × 2 × 2 × 23 × 1129. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1661888)

Multiplication

n×y
n×2 3323776
n×3 4985664
n×4 6647552
n×5 8309440

Division

n÷y
n÷2 830944
n÷3 553962.66666667
n÷3 415472
n÷5 332377.6

Exponentiation

ny
n2 2761871724544
n3 4589921476558979072
n4 7.6279354228356E+24
n5 1.2676774343985E+31

Nth Root

y√n
2√n 1289.1423505571
3√n 118.44968696171
4√n 35.904628539468
5√n 17.543665993001

Divisors of 1661888

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1661887
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1661888 can be divided by 28 positive divisors. The sum of these divisors (counting 1661888) is 1, the average is 0.035714285714286.

Base conversion 1661888

Base System Value
2 Binary 110010101101111000000
3 Ternary 10010102200102
4 Quaternary 12111233000
5 Quinary 411140023
6 Senary 55341532
8 Octal 6255700
10 Decimal 1661888
12 Duodecimal 6818a8
16 Hexadecimal 195bc0
20 Vigesimal a7ee8
36 Base36 zmbk

Cryptographic Hash Functions

md5 22117e9c25291bf3d75ce1ae0c835936
sha1 278699bf05ff6c4b31fa65f2c340b7e6e5aea999
sha256 8270bf1ddeb479f57d805e8c1fd2387c23a4f8003520b74b3f5d20b810de3fb3
sha512 290ae83b83c8fa0738b6d08fd7e48c8f5bf6c6ebc76e0b724c8778a641c9dd369b2b2ea75283c58b0045f59b5e5fb161084fe9e4da9a7ea889e0a651abee6f18
ripemd-160 27941c0487ac732987efd1de114a45082a81c407

1661888 as geometric shapes

Circle

Radius = n
Diameter 3323776
Circumference 10441950.263778
Area 8676675919984.8

Sphere

Radius = n
Volume 1.9226218121749E+19
Surface area 34706703679939
Circumference 10441950.263778

Square

Length = n
Perimeter 6647552
Area 2761871724544
Diagonal 2350264.5487451

Cube

Length = n
Surface area 16571230347264
Volume 4589921476558979072
Space diagonal 2878474.452489

Equilateral Triangle

Length = n
Perimeter 4985664
Area 1195925537724.5
Altitude 1439237.2262445

Triangular Pyramid

Length = n
Surface area 1195925537724.5
Volume 5.4092743353144E+17
Height 783421.51624837