1991480 is an even 7-digits composite number following 1991479
and preceding 1991481 . In scientific notation, it is written as 1.991480 × 10^6.
The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors.
There are 796576 positive integers (up to 1991480) that are relatively prime to 1991480.
1991480 has 16 divisors, whose sum is 4480920
The reverse of 1991480 is 0841991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 7
Sum of Digits 32
Digital Root 5
Name
one million nine hundred ninety-one thousand four hundred eighty
Scientific notation
1.991480 × 10^6
Engineering notation
1.991480 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 49787
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
497870
Product of the distinct prime numbers
The prime factorization of 1991480 is 2 × 2 × 2 × 5 × 49787.
Since it has a total of 5 prime factors.
9 , 7 , 16 , 100 , 573 , 76 , 9990 , 2269 , 91793 , 91389 , 341016 , 863029 , 8131329 , 8520518 , 83440239 , 16138641 , 180422575 , 182134493 , 5623897191 , 9923618412
n×2
3982960
n×3
5974440
n×4
7965920
n×5
9957400
n÷2
995740
n÷3
663826.66666667
n÷3
497870
n÷5
398296
n2
3965992590400
n3
7898194923929792000
n4
1.5729097227108E+25
n5
3.132418254584E+31
2 √n
1411.198072561
3 √n
125.81294154696
4 √n
37.565916367913
5 √n
18.190104324394
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 49787 , 99574 , 199148 , 248935 , 398296 , 497870 , 995740 , 1991480
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
-1991479
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 1991480 can be divided by 16 positive divisors.
The sum of these divisors (counting 1991480) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100110001100111000
3
Ternary
10202011210112
4
Quaternary
13212030320
5
Quinary
1002211410
6
Senary
110403452
8
Octal
7461470
10
Decimal
1991480
12
Duodecimal
800588
16
Hexadecimal
1e6338
20
Vigesimal
c8ie0
36
Base36
16omw
md5
b0f77c2afcb24b26c401b2d4eee9a71a
sha1
6062b8081bd8351e4fb7c34ea0845c0aeee1ee65
sha256
d8cec470e4a97832a6df4037ace6cdddfac13889fd6e258e00e390944f4a795d
sha512
6dbe1079c6be54aa4a6ae16b84e38adac37aee7c1b10fd57fde5af7396629f0b008cb6d8be2f1a7658686edb0361a91cf7d2c4db0a3bcdebd1c65a59c949dec8
ripemd-160
2c8395bcb8c9c99a9d01ce424f5f18f9b8befd72
Diameter
3982960
Circumference
12512837.875542
Area
12459533186192
Volume
3.3083881532851E+19
Surface area
49838132744769
Circumference
12512837.875542
Perimeter
7965920
Area
3965992590400
Diagonal
2816378.0251948
Surface area
23795955542400
Volume
7898194923929792000
Space diagonal
3449344.5422573
Perimeter
5974440
Area
1717325167253.6
Altitude
1724672.2711286
Surface area
1717325167253.6
Volume
9.3081119830732E+17
Height
938792.67506492