1921625 is an odd 7-digits composite number following 1921624
and preceding 1921626 . In scientific notation, it is written as 1.921625 × 10^6.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 1537200 positive integers (up to 1921625) that are relatively prime to 1921625.
1921625 has 8 divisors, whose sum is 2398344
The reverse of 1921625 is 5261291
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 26
Digital Root 8
Name
one million nine hundred twenty-one thousand six hundred twenty-five
Scientific notation
1.921625 × 10^6
Engineering notation
1.921625 × 10^6
Prime Factorization
5 × 25 × 15373
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1921625
Product of the distinct prime numbers
The prime factorization of 1921625 is 5 × 25 × 15373.
Since it has a total of 3 prime factors.
1 , 4 , 20 , 47 , 818 , 964 , 9538 , 9247 , 74996 , 47999 , 266069 , 452612 , 4585276 , 8866699 , 58701317 , 75773491 , 301437936 , 147965762 , 767804613 , 1386052056
n×2
3843250
n×3
5764875
n×4
7686500
n×5
9608125
n÷2
960812.5
n÷3
640541.66666667
n÷3
480406.25
n÷5
384325
n2
3692642640625
n3
7095874414291015625
n4
1.3635609671362E+25
n5
2.6202528434731E+31
2 √n
1386.2268934053
3 √n
124.32435460625
4 √n
37.232068078543
5 √n
18.060664621207
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
-1921624
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 1921625 can be divided by 8 positive divisors.
The sum of these divisors (counting 1921625) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010101001001011001
3
Ternary
10121121222022
4
Quaternary
13111021121
5
Quinary
442443000
6
Senary
105104225
8
Octal
7251131
10
Decimal
1921625
12
Duodecimal
788075
16
Hexadecimal
1d5259
20
Vigesimal
c0415
36
Base36
156qh
md5
e52cd995a84eeb9b844f47064585f78c
sha1
cd54dae6d11306e545792b6e4f2812e357de2158
sha256
76537aae0fc3cf6567c0476836e05d23209f209c372e054eb2cbcef4987c7fab
sha512
da54dea05cd1cd42cf967bd574ec6afae25ef5248fea035741b5f5c9abc7af1beb97acc29c1949c587de88f879e2565914db27b9153f4846b38785525f350df5
ripemd-160
e79acc25fd295a3273deae2da72cf91b6f27ef7e
Diameter
3843250
Circumference
12073925.965909
Area
11600778992120
Volume
2.9723129240977E+19
Surface area
46403115968480
Circumference
12073925.965909
Perimeter
7686500
Area
3692642640625
Diagonal
2717588.1367952
Surface area
22155855843750
Volume
7095874414291015625
Space diagonal
3328352.1330945
Perimeter
5764875
Area
1598961166939.5
Altitude
1664176.0665473
Surface area
1598961166939.5
Volume
8.3625681946555E+17
Height
905862.71226507