2171421 is an odd 7-digits composite number following 2171420
and preceding 2171422 . In scientific notation, it is written as 2.171421 × 10^6.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 1240704 positive integers (up to 2171421) that are relatively prime to 2171421.
2171421 has 8 divisors, whose sum is 2527800
The reverse of 2171421 is 1241712
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 18
Digital Root 9
Name
two million one hundred seventy-one thousand four hundred twenty-one
Scientific notation
2.171421 × 10^6
Engineering notation
2.171421 × 10^6
Prime Factorization
9 × 21 × 11489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2171421
Product of the distinct prime numbers
The prime factorization of 2171421 is 9 × 21 × 11489.
Since it has a total of 3 prime factors.
8 , 10 , 42 , 1 , 961 , 872 , 8634 , 4367 , 42108 , 84100 , 621278 , 967367 , 4705894 , 7663767 , 31540559 , 64255140 , 866465988 , 531898742 , 2283974432 , 5950525936
n×2
4342842
n×3
6514263
n×4
8685684
n×5
10857105
n÷2
1085710.5
n÷3
723807
n÷3
542855.25
n÷5
434284.2
n2
4715069159241
n3
1.0238400188828E+19
n4
2.2231877176426E+25
n5
4.8274764970311E+31
2 √n
1473.574226159
3 √n
129.49351249284
4 √n
38.387162257179
5 √n
18.507544689142
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
-2171420
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 2171421 can be divided by 8 positive divisors.
The sum of these divisors (counting 2171421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010010001000011101
3
Ternary
11002022122000
4
Quaternary
20102020131
5
Quinary
1023441141
6
Senary
114312513
8
Octal
10221035
10
Decimal
2171421
12
Duodecimal
888739
16
Hexadecimal
21221d
20
Vigesimal
db8b1
36
Base36
1ajh9
md5
0bef4414bf88bcbe03805db4c3ae8903
sha1
8377dce030d20afeae68de781fdd10376e1d20a3
sha256
638d388092e72f3e972bc68b0628179f6308d2484f4691ed52354f5890dbcbc3
sha512
7ce2fadc7209789ae9f703196e1ddc06b5727e775964e5aa513253315953505a95ae7a18182eba69aaa0eccdf5f76c3c51e26b1f4fe70a59fb80fb3719cc59d5
ripemd-160
ddd24c48e3271c08734786ec6e1fbe01aa543d58
Diameter
4342842
Circumference
13643440.522901
Area
14812826631839
Volume
4.2886510423647E+19
Surface area
59251306527357
Circumference
13643440.522901
Perimeter
8685684
Area
4715069159241
Diagonal
3070853.0278217
Surface area
28290414955446
Volume
1.0238400188828E+19
Space diagonal
3761011.496622
Perimeter
6514263
Area
2041684836251.6
Altitude
1880505.748311
Surface area
2041684836251.6
Volume
1.2066070336703E+18
Height
1023617.6759406