2078991 is an odd 7-digits composite number following 2078990
and preceding 2078992 . In scientific notation, it is written as 2.078991 × 10^6.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 1385988 positive integers (up to 2078991) that are relatively prime to 2078991.
2078991 has 4 divisors, whose sum is 2310000
The reverse of 2078991 is 1998702
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 36
Digital Root 9
Name
two million seventy-eight thousand nine hundred ninety-one
Scientific notation
2.078991 × 10^6
Engineering notation
2.078991 × 10^6
Prime Factorization
9 × 230999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2078991
Product of the distinct prime numbers
The prime factorization of 2078991 is 9 × 230999.
Since it has a total of 2 prime factors.
6 , 3 , 22 , 12 , 524 , 778 , 494 , 856 , 57204 , 13308 , 168604 , 509425 , 7583376 , 4868875 , 87648664 , 17758838 , 61770933 , 937062837 , 5670375755 , 1494998193
n×2
4157982
n×3
6236973
n×4
8315964
n×5
10394955
n÷2
1039495.5
n÷3
692997
n÷3
519747.75
n÷5
415798.2
n2
4322203578081
n3
8985822338998196271
n4
1.8681443770376E+25
n5
3.8838553465618E+31
2 √n
1441.8706599415
3 √n
127.62944178345
4 √n
37.971972031242
5 √n
18.347230699724
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
-2078990
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 2078991 can be divided by 4 positive divisors.
The sum of these divisors (counting 2078991) is 1, the average is 0.25.
Base
System
Value
2
Binary
111111011100100001111
3
Ternary
10220121211200
4
Quaternary
13323210033
5
Quinary
1013011431
6
Senary
112320543
8
Octal
7734417
10
Decimal
2078991
12
Duodecimal
843153
16
Hexadecimal
1fb90f
20
Vigesimal
cjh9b
36
Base36
18k5r
md5
97f967751c60a38dc2cd44324898857d
sha1
7093352f5a29b3b73e5bf9a33413d94aa349e4c0
sha256
846324f747e9b79fdf69b96fea9d1a96e5aa6a17e20868241fbfa7d553743454
sha512
b2d494164a0a71c82503ffc5c570f3ea38e6494ab5129694b3096082c34906a155e20f3aa74db74399a4d11d6fc5122ec75cf25f3dbef85d4df39a0e82b3acf8
ripemd-160
679b0893936f21bf8de54528c9d7f3b3ad262a23
Diameter
4157982
Circumference
13062685.704959
Area
13578603008219
Volume
3.7639724595546E+19
Surface area
54314412032875
Circumference
13062685.704959
Perimeter
8315964
Area
4322203578081
Diagonal
2940137.2682516
Surface area
25933221468486
Volume
8985822338998196271
Space diagonal
3600918.0404784
Perimeter
6236973
Area
1871569049473.1
Altitude
1800459.0202392
Surface area
1871569049473.1
Volume
1.0589893184072E+18
Height
980045.75608387