1921684 is an even 7-digits composite number following 1921683
and preceding 1921685 . In scientific notation, it is written as 1.921684 × 10^6.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 954944 positive integers (up to 1921684) that are relatively prime to 1921684.
1921684 has 12 divisors, whose sum is 3383604
The reverse of 1921684 is 4861291
Previous prime number is 173
Is Prime? no
Number parity even
Number length 7
Sum of Digits 31
Digital Root 4
Name
one million nine hundred twenty-one thousand six hundred eighty-four
Scientific notation
1.921684 × 10^6
Engineering notation
1.921684 × 10^6
Prime Factorization
2 × 2 × 173 × 2777
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
960842
Product of the distinct prime numbers
The prime factorization of 1921684 is 2 × 2 × 173 × 2777.
Since it has a total of 4 prime factors.
10 , 4 , 22 , 77 , 507 , 784 , 3862 , 5347 , 75980 , 49779 , 56559 , 377310 , 6689724 , 2687769 , 6660814 , 925512 , 721363545 , 471158052 , 7643057289 , 8207989875
n×2
3843368
n×3
5765052
n×4
7686736
n×5
9608420
n÷2
960842
n÷3
640561.33333333
n÷3
480421
n÷5
384336.8
n2
3692869395856
n3
7096528032106141504
n4
1.363728437485E+25
n5
2.6206551186599E+31
2 √n
1386.2481740295
3 √n
124.32562697761
4 √n
37.232353860983
5 √n
18.060775523815
1 , 2 , 4 , 173 , 346 , 692 , 2777 , 5554 , 11108 , 480421 , 960842 , 1921684
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1921683
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1921684 can be divided by 12 positive divisors.
The sum of these divisors (counting 1921684) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010101001010010100
3
Ternary
10121122001111
4
Quaternary
13111022110
5
Quinary
442443214
6
Senary
105104404
8
Octal
7251224
10
Decimal
1921684
12
Duodecimal
788104
16
Hexadecimal
1d5294
20
Vigesimal
c0444
36
Base36
156s4
md5
b5a2d3f7efa0a6dc845c916e658b0d6a
sha1
8cfb76f2c3c7513a9ac93cfe852a1b37f586d5be
sha256
2cac87b91572ef7146ea6bc566e4292de91563772f047f4c17b14f05d99cd1e3
sha512
405c7853b62429e6564c70b7a67ad05f498ea2ac99e6dc028196d6afcb8165700a439f11e0cb76a5a58b399dcc420fe1a4c486b2b40f9a5d9a4c6c1bfcdafe4a
ripemd-160
f55760488d78e757ac7454debafd255f6448a89a
Diameter
3843368
Circumference
12074296.673842
Area
11601491364688
Volume
2.9725867108878E+19
Surface area
46405965458751
Circumference
12074296.673842
Perimeter
7686736
Area
3692869395856
Diagonal
2717671.5753954
Surface area
22157216375136
Volume
7096528032106141504
Space diagonal
3328454.3240922
Perimeter
5765052
Area
1599059354834.7
Altitude
1664227.1620461
Surface area
1599059354834.7
Volume
8.3633384906378E+17
Height
905890.52513179