1881421 is an odd 7-digits composite number following 1881420
and preceding 1881422 . In scientific notation, it is written as 1.881421 × 10^6.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 1803360 positive integers (up to 1881421) that are relatively prime to 1881421.
1881421 has 8 divisors, whose sum is 1960704
The reverse of 1881421 is 1241881
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 25
Digital Root 7
Name
one million eight hundred eighty-one thousand four hundred twenty-one
Scientific notation
1.881421 × 10^6
Engineering notation
1.881421 × 10^6
Prime Factorization
31 × 137 × 443
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1881421
Product of the distinct prime numbers
The prime factorization of 1881421 is 31 × 137 × 443.
Since it has a total of 3 prime factors.
10 , 4 , 14 , 92 , 900 , 621 , 3495 , 8948 , 63755 , 62668 , 765351 , 6659 , 2488611 , 9052530 , 47837258 , 47042936 , 906934412 , 142471559 , 5126323323 , 5460182512
n×2
3762842
n×3
5644263
n×4
7525684
n×5
9407105
n÷2
940710.5
n÷3
627140.33333333
n÷3
470355.25
n÷5
376284.2
n2
3539744979241
n3
6659750538588581461
n4
1.2529794518062E+25
n5
2.3573818531966E+31
2 √n
1371.6490075818
3 √n
123.4512037662
4 √n
37.035780099544
5 √n
17.984451518453
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
-1881420
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 1881421 can be divided by 8 positive divisors.
The sum of these divisors (counting 1881421) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001011010101001101
3
Ternary
10112120211021
4
Quaternary
13023111031
5
Quinary
440201141
6
Senary
104154141
8
Octal
7132515
10
Decimal
1881421
12
Duodecimal
768951
16
Hexadecimal
1cb54d
20
Vigesimal
bf3b1
36
Base36
14bpp
md5
365ad8c3bb5ee7d35b1340930dec636b
sha1
0e04ead1227c12ac63b69a199231c9d20c3e0d29
sha256
1d6d1e8fe89d8b9eafc67e7e54e5412385877c9591695b1ba45f0ad425a98d55
sha512
472c0605f747a0c36451c13b74b896dacd0f6daa07e9666cb52e0bc978c6c227dc1cf85ab6b5e7fbba8f4a056a84056a528c3f71925732ed8c04334ca56520f5
ripemd-160
510ece26062cc91ca87615f6268390af309e1aac
Diameter
3762842
Circumference
11821316.783819
Area
11120436822365
Volume
2.7896297822361E+19
Surface area
44481747289460
Circumference
11821316.783819
Perimeter
7525684
Area
3539744979241
Diagonal
2660731.0947336
Surface area
21238469875446
Volume
6659750538588581461
Space diagonal
3258716.762427
Perimeter
5644263
Area
1532754537470.6
Altitude
1629358.3812135
Surface area
1532754537470.6
Volume
7.8485912780779E+17
Height
886910.36491118