1990807 is an odd 7-digits composite number following 1990806
and preceding 1990808 . In scientific notation, it is written as 1.990807 × 10^6.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 1553760 positive integers (up to 1990807) that are relatively prime to 1990807.
1990807 has 8 divisors, whose sum is 2040192
The reverse of 1990807 is 7080991
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 34
Digital Root 7
Name
one million nine hundred ninety thousand eight hundred seven
Scientific notation
1.990807 × 10^6
Engineering notation
1.990807 × 10^6
Prime Factorization
91 × 131 × 167
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990807
Product of the distinct prime numbers
The prime factorization of 1990807 is 91 × 131 × 167.
Since it has a total of 3 prime factors.
9 , 5 , 77 , 93 , 981 , 324 , 9816 , 2128 , 46275 , 2647 , 903788 , 96310 , 2095348 , 9602386 , 4937119 , 68841267 , 874779557 , 130263386 , 4312271362 , 9004804004
n×2
3981614
n×3
5972421
n×4
7963228
n×5
9954035
n÷2
995403.5
n÷3
663602.33333333
n÷3
497701.75
n÷5
398161.4
n2
3963312511249
n3
7890190290582087943
n4
1.5707846061823E+25
n5
3.1271289894799E+31
2 √n
1410.9596025401
3 √n
125.79876755752
4 √n
37.562742212731
5 √n
18.188874726772
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990806
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990807 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990807) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100110000010010111
3
Ternary
10202010212121
4
Quaternary
13212002113
5
Quinary
1002201212
6
Senary
110400411
8
Octal
7460227
10
Decimal
1990807
12
Duodecimal
800107
16
Hexadecimal
1e6097
20
Vigesimal
c8h07
36
Base36
16o47
md5
0513b48411d3f2822a1dc148c519e74a
sha1
6589942769e4de9fccb77555db18930d8652c360
sha256
b1c9e5acb31c8ca932ec942b86fcfb65f1e268a0db589ba9815ea131f2a11296
sha512
2f20f3c80d85476d194e25884547d5fd8846cd5e0911ad4c97de97c535e8cf3376ade51bb8afaeaf05900a71b86c014e8208ec5b4b027c25ddd78f15ced67769
ripemd-160
c7377c4b91dd8e9686bef8d3dec03ba33b00705b
Diameter
3981614
Circumference
12508609.29183
Area
12451113469220
Volume
3.3050351803091E+19
Surface area
49804453876881
Circumference
12508609.29183
Perimeter
7963228
Area
3963312511249
Diagonal
2815426.2594673
Surface area
23779875067494
Volume
7890190290582087943
Space diagonal
3448178.8720638
Perimeter
5972421
Area
1716164658939.2
Altitude
1724089.4360319
Surface area
1716164658939.2
Volume
9.2986784322048E+17
Height
938475.41982243