2123721 is an odd 7-digits composite number following 2123720
and preceding 2123722 . In scientific notation, it is written as 2.123721 × 10^6.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 1398264 positive integers (up to 2123721) that are relatively prime to 2123721.
2123721 has 8 divisors, whose sum is 2388960
The reverse of 2123721 is 1273212
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 18
Digital Root 9
Name
two million one hundred twenty-three thousand seven hundred twenty-one
Scientific notation
2.123721 × 10^6
Engineering notation
2.123721 × 10^6
Prime Factorization
9 × 83 × 2843
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2123721
Product of the distinct prime numbers
The prime factorization of 2123721 is 9 × 83 × 2843.
Since it has a total of 3 prime factors.
5 , 3 , 65 , 41 , 80 , 149 , 2419 , 341 , 89769 , 67723 , 863685 , 769281 , 7121712 , 1774842 , 84474802 , 62311474 , 935138551 , 362042240 , 3650732654 , 7609465844
n×2
4247442
n×3
6371163
n×4
8494884
n×5
10618605
n÷2
1061860.5
n÷3
707907
n÷3
530930.25
n÷5
424744.2
n2
4510190885841
n3
9.5783870982691E+18
n4
2.0341821826723E+25
n5
4.320035419167E+31
2 √n
1457.2992143002
3 √n
128.53828087274
4 √n
38.174588593726
5 √n
18.425508929138
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
-2123720
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 2123721 can be divided by 8 positive divisors.
The sum of these divisors (counting 2123721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000000110011111001001
3
Ternary
10222220012100
4
Quaternary
20012133021
5
Quinary
1020424341
6
Senary
113304013
8
Octal
10063711
10
Decimal
2123721
12
Duodecimal
865009
16
Hexadecimal
2067c9
20
Vigesimal
d5961
36
Base36
19io9
md5
cf6f3c8b827975f88e5716c9abb9a45c
sha1
3eed4b8a0693e88a51c2d34b5e541bc4b2725374
sha256
1ca62d72188daafde2d28ce42d2255f053f0101d1b593f8136a15f5a4d34eb0f
sha512
44c1e240cab7416a1e21fd9b68542e6bc136a8ed6de04ada11bf414251b5f378752f36f9ad017204e842ac66fd7738ae197a42172534f28d30e481292097c191
ripemd-160
7bdc99af9ea3696c88160205ad8281cef0a47eaf
Diameter
4247442
Circumference
13343732.583749
Area
14169182553246
Volume
4.0121854054882E+19
Surface area
56676730212983
Circumference
13343732.583749
Perimeter
8494884
Area
4510190885841
Diagonal
3003395.0408966
Surface area
27061145315046
Volume
9.5783870982691E+18
Space diagonal
3678392.673101
Perimeter
6371163
Area
1952969941527.7
Altitude
1839196.3365505
Surface area
1952969941527.7
Volume
1.1288237450026E+18
Height
1001131.6802989