1390809 is an odd 7-digits composite number following 1390808
and preceding 1390810 . In scientific notation, it is written as 1.390809 × 10^6.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 785808 positive integers (up to 1390809) that are relatively prime to 1390809.
1390809 has 16 divisors, whose sum is 2143232
The reverse of 1390809 is 9080931
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 30
Digital Root 3
Name
one million three hundred ninety thousand eight hundred nine
Scientific notation
1.390809 × 10^6
Engineering notation
1.390809 × 10^6
Prime Factorization
3 × 7 × 103 × 643
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1390809
Product of the distinct prime numbers
The prime factorization of 1390809 is 3 × 7 × 103 × 643.
Since it has a total of 4 prime factors.
10 , 10 , 13 , 22 , 298 , 64 , 3966 , 88 , 28584 , 99419 , 725221 , 518299 , 5084368 , 3334736 , 96801403 , 43607114 , 898489957 , 838281259 , 249758581 , 7412942449
n×2
2781618
n×3
4172427
n×4
5563236
n×5
6954045
n÷2
695404.5
n÷3
463603
n÷3
347702.25
n÷5
278161.8
n2
1934349674481
n3
2690310936415245129
n4
3.7417086631648E+24
n5
5.2040020841075E+30
2 √n
1179.3256547706
3 √n
111.62355009743
4 √n
34.341311197602
5 √n
16.929865134347
1 , 3 , 7 , 21 , 103 , 309 , 643 , 721 , 1929 , 2163 , 4501 , 13503 , 66229 , 198687 , 463603 , 1390809
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
-1390808
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 1390809 can be divided by 16 positive divisors.
The sum of these divisors (counting 1390809) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101010011100011011001
3
Ternary
2121122211110
4
Quaternary
11103203121
5
Quinary
324001214
6
Senary
45450533
8
Octal
5234331
10
Decimal
1390809
12
Duodecimal
570a49
16
Hexadecimal
1538d9
20
Vigesimal
8dh09
36
Base36
tt5l
md5
869b622444c9d17f350c5783b9c6864f
sha1
cf84fa32e18a143d6b905805132de1468043ef3b
sha256
3fd97b82f61ee9f05c9cea46728ce733a556227ae3fc960d378f3c7bbe05562a
sha512
fad35f6eda5c6844091ff9fd055c29d205406c3447e82374608cf2619067e140d50302a4bbd0ca184b8bed7630ff236b6ca9f46ebfd7803f6f11aacb7b176653
ripemd-160
57ebadf27568def996734d9074e528f8162aea41
Diameter
2781618
Circumference
8738710.6738931
Area
6076938726823.3
Volume
1.1269148098286E+19
Surface area
24307754907293
Circumference
8738710.6738931
Perimeter
5563236
Area
1934349674481
Diagonal
1966900.9504706
Surface area
11606098046886
Volume
2690310936415245129
Space diagonal
2408951.8516241
Perimeter
4172427
Area
837597978951.35
Altitude
1204475.925812
Surface area
837597978951.35
Volume
3.1705618443993E+17
Height
655633.65015685