1991544 is an even 7-digits composite number following 1991543
and preceding 1991545 . In scientific notation, it is written as 1.991544 × 10^6.
The sum of its digits is 33. It has a total of 5 prime factors and 16 positive divisors.
There are 663840 positive integers (up to 1991544) that are relatively prime to 1991544.
1991544 has 16 divisors, whose sum is 4978920
The reverse of 1991544 is 4451991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 7
Sum of Digits 33
Digital Root 6
Name
one million nine hundred ninety-one thousand five hundred forty-four
Scientific notation
1.991544 × 10^6
Engineering notation
1.991544 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 82981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
497886
Product of the distinct prime numbers
The prime factorization of 1991544 is 2 × 2 × 2 × 3 × 82981.
Since it has a total of 5 prime factors.
4 , 1 , 5 , 36 , 679 , 833 , 3987 , 8335 , 71811 , 3535 , 561308 , 895715 , 6117326 , 908002 , 55361887 , 77867894 , 142310214 , 682742586 , 157298206 , 9653409990
n×2
3983088
n×3
5974632
n×4
7966176
n×5
9957720
n÷2
995772
n÷3
663848
n÷3
497886
n÷5
398308.8
n2
3966247503936
n3
7898956418978717184
n4
1.5731119262479E+25
n5
3.1329216180474E+31
2 √n
1411.2207481468
3 √n
125.81428927863
4 √n
37.56621817733
5 √n
18.190221237616
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 82981 , 165962 , 248943 , 331924 , 497886 , 663848 , 995772 , 1991544
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1991543
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1991544 can be divided by 16 positive divisors.
The sum of these divisors (counting 1991544) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100110001101111000
3
Ternary
10202011212220
4
Quaternary
13212031320
5
Quinary
1002212134
6
Senary
110404040
8
Octal
7461570
10
Decimal
1991544
12
Duodecimal
800620
16
Hexadecimal
1e6378
20
Vigesimal
c8ih4
36
Base36
16ooo
md5
56951702af14e34007c0804ab5c3fb76
sha1
1ceecb9561631666b9ee5898e0522b84a1784c3f
sha256
aa4e8172802c784e0a022f083bca5e16981bfb4db2ef9feed7e26010f1a5eef2
sha512
f6ff05e5dc116c898a0bbadc057db74f3e9c5f83915223eb6d6839747089b3790dd6ccb76ebd5dae71a389416c886f766ad86bd76fc6912ac9679bddbb50d481
ripemd-160
be305f2a32c1bd3002a7d56035a5ee958376e4e3
Diameter
3983088
Circumference
12513239.999402
Area
12460334020684
Volume
3.3087071275853E+19
Surface area
49841336082737
Circumference
12513239.999402
Perimeter
7966176
Area
3966247503936
Diagonal
2816468.5348628
Surface area
23797485023616
Volume
7898956418978717184
Space diagonal
3449455.393509
Perimeter
5974632
Area
1717435548052.6
Altitude
1724727.6967545
Surface area
1717435548052.6
Volume
9.3090094135948E+17
Height
938822.84495425