861421 is an odd 6-digits composite number following 861420
and preceding 861422 . In scientific notation, it is written as 8.61421 × 10^5.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 783100 positive integers (up to 861421) that are relatively prime to 861421.
861421 has 4 divisors, whose sum is 939744
The reverse of 861421 is 124168
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 22
Digital Root 4
Name
eight hundred sixty-one thousand four hundred twenty-one
Scientific notation
8.61421 × 10^5
Engineering notation
8.61421 × 10^3
Prime Factorization
11 × 78311
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
861421
Product of the distinct prime numbers
The prime factorization of 861421 is 11 × 78311.
Since it has a total of 2 prime factors.
4 , 2 , 90 , 54 , 955 , 623 , 8119 , 3081 , 24689 , 10887 , 810715 , 991896 , 7454253 , 1432827 , 74980812 , 25052456 , 984750095 , 717433142 , 9440390112 , 3922452135
n×2
1722842
n×3
2584263
n×4
3445684
n×5
4307105
n÷2
430710.5
n÷3
287140.33333333
n÷3
215355.25
n÷5
172284.2
n2
742046139241
n3
639214127311121461
n4
5.5063247276247E+23
n5
4.7432637531952E+29
2 √n
928.1276851813
3 √n
95.149202297351
4 √n
30.465188087082
5 √n
15.383072645943
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
-861420
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 861421 can be divided by 4 positive divisors.
The sum of these divisors (counting 861421) is 1, the average is 0.25.
Base
System
Value
2
Binary
11010010010011101101
3
Ternary
1121202122111
4
Quaternary
3102103231
5
Quinary
210031141
6
Senary
30244021
8
Octal
3222355
10
Decimal
861421
12
Duodecimal
356611
16
Hexadecimal
d24ed
20
Vigesimal
57db1
36
Base36
igod
md5
592d8794886f2bd85ad6e880893c05bd
sha1
80ebcfbed13a32c4dffc08d756d478a05f6ec3f3
sha256
f43fd17f8a8ed3afdc822e9966909ab555b6ca0ff43b06f8c4a82717da2b4e73
sha512
c517f968cac794c029db9fb382d48c44bdc50e87b690c8ba35d2d6d9e5e81c15360c8c578cc3704f740f499d9625cd234014a6d8c642be5f313d91e7f322bcc5
ripemd-160
a0540f90e0f8ab8f52d3c02d7169637bab586fd6
Diameter
1722842
Circumference
5412467.7704959
Area
2331206699664.2
Volume
2.6775338752419E+18
Surface area
9324826798656.8
Circumference
5412467.7704959
Perimeter
3445684
Area
742046139241
Diagonal
1218233.261113
Surface area
4452276835446
Volume
639214127311121461
Space diagonal
1492024.9387068
Perimeter
2584263
Area
321315403681.44
Altitude
746012.46935339
Surface area
321315403681.44
Volume
7.5332107341989E+16
Height
406077.75370433