1990247 is an odd 7-digits composite number following 1990246
and preceding 1990248 . In scientific notation, it is written as 1.990247 × 10^6.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 1628640 positive integers (up to 1990247) that are relatively prime to 1990247.
1990247 has 16 divisors, whose sum is 2380800
The reverse of 1990247 is 7420991
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 32
Digital Root 5
Name
one million nine hundred ninety thousand two hundred forty-seven
Scientific notation
1.990247 × 10^6
Engineering notation
1.990247 × 10^6
Prime Factorization
7 × 59 × 79 × 61
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1990247
Product of the distinct prime numbers
The prime factorization of 1990247 is 7 × 59 × 79 × 61.
Since it has a total of 4 prime factors.
6 , 10 , 7 , 78 , 980 , 946 , 3306 , 5389 , 46201 , 12039 , 514040 , 175923 , 1866929 , 3478102 , 25160727 , 84090918 , 840220573 , 819567842 , 1727581627 , 3454065415
n×2
3980494
n×3
5970741
n×4
7960988
n×5
9951235
n÷2
995123.5
n÷3
663415.66666667
n÷3
497561.75
n÷5
398049.4
n2
3961083121009
n3
7883533798338799223
n4
1.5690179491542E+25
n5
3.1227332662504E+31
2 √n
1410.761142079
3 √n
125.78697101532
4 √n
37.560100400278
5 √n
18.187851331123
1 , 7 , 59 , 61 , 79 , 413 , 427 , 553 , 3599 , 4661 , 4819 , 25193 , 32627 , 33733 , 284321 , 1990247
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
-1990246
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 1990247 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990247) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100101111001100111
3
Ternary
10202010002212
4
Quaternary
13211321213
5
Quinary
1002141442
6
Senary
110354035
8
Octal
7457147
10
Decimal
1990247
12
Duodecimal
7bb91b
16
Hexadecimal
1e5e67
20
Vigesimal
c8fc7
36
Base36
16non
md5
a297d4336e9bf542a8aebb50167e8fb4
sha1
a5d5ebba3cacfd1d7cf22ae7d95472d92ca99e79
sha256
910a01fe05bb97103134e5f7fe958006ae0e7118d50690be6716283c11c7ef73
sha512
130c945a1b452c4829093d52ffaa2d28b8c57aa24c65a0494719aa51d2eb50f6932b5280c28d63e93488fa88f479b646d1755595bd598e3d6ff78c3da94f85b5
ripemd-160
10c58d724a9889b81ac143a72e6d5e3cd9866013
Diameter
3980494
Circumference
12505090.708058
Area
12444109633220
Volume
3.3022469153584E+19
Surface area
49776438532882
Circumference
12505090.708058
Perimeter
7960988
Area
3961083121009
Diagonal
2814634.2998724
Surface area
23766498726054
Volume
7883533798338799223
Space diagonal
3447208.9236115
Perimeter
5970741
Area
1715199304647.8
Altitude
1723604.4618058
Surface area
1715199304647.8
Volume
9.2908336808645E+17
Height
938211.43329079