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.
1661888 has 28 divisors, whose sum is 3444240
The reverse of 1661888 is 8881661
Previous prime number is 23
Is Prime? no
Number parity even
Number length 7
Sum of Digits 38
Digital Root 2
Name
one million six hundred sixty-one thousand eight hundred eighty-eight
Scientific notation
1.661888 × 10^6
Engineering notation
1.661888 × 10^6
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.
5 , 5 , 20 , 39 , 95 , 828 , 4444 , 6555 , 61975 , 77170 , 526035 , 344254 , 1629412 , 9498022 , 12511043 , 40511575 , 179174911 , 623179026 , 1591450449 , 9701382452
n×2
3323776
n×3
4985664
n×4
6647552
n×5
8309440
n÷2
830944
n÷3
553962.66666667
n÷3
415472
n÷5
332377.6
n2
2761871724544
n3
4589921476558979072
n4
7.6279354228356E+24
n5
1.2676774343985E+31
2 √n
1289.1423505571
3 √n
118.44968696171
4 √n
35.904628539468
5 √n
17.543665993001
1 , 2 , 4 , 8 , 16 , 23 , 32 , 46 , 64 , 92 , 184 , 368 , 736 , 1129 , 1472 , 2258 , 4516 , 9032 , 18064 , 25967 , 36128 , 51934 , 72256 , 103868 , 207736 , 415472 , 830944 , 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
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
md5
22117e9c25291bf3d75ce1ae0c835936
sha1
278699bf05ff6c4b31fa65f2c340b7e6e5aea999
sha256
8270bf1ddeb479f57d805e8c1fd2387c23a4f8003520b74b3f5d20b810de3fb3
sha512
290ae83b83c8fa0738b6d08fd7e48c8f5bf6c6ebc76e0b724c8778a641c9dd369b2b2ea75283c58b0045f59b5e5fb161084fe9e4da9a7ea889e0a651abee6f18
ripemd-160
27941c0487ac732987efd1de114a45082a81c407
Diameter
3323776
Circumference
10441950.263778
Area
8676675919984.8
Volume
1.9226218121749E+19
Surface area
34706703679939
Circumference
10441950.263778
Perimeter
6647552
Area
2761871724544
Diagonal
2350264.5487451
Surface area
16571230347264
Volume
4589921476558979072
Space diagonal
2878474.452489
Perimeter
4985664
Area
1195925537724.5
Altitude
1439237.2262445
Surface area
1195925537724.5
Volume
5.4092743353144E+17
Height
783421.51624837