1990705 is an odd 7-digits composite number following 1990704
and preceding 1990706 . In scientific notation, it is written as 1.990705 × 10^6.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 1537536 positive integers (up to 1990705) that are relatively prime to 1990705.
1990705 has 8 divisors, whose sum is 2471400
The reverse of 1990705 is 5070991
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 31
Digital Root 4
Name
one million nine hundred ninety thousand seven hundred five
Scientific notation
1.990705 × 10^6
Engineering notation
1.990705 × 10^6
Prime Factorization
5 × 29 × 13729
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990705
Product of the distinct prime numbers
The prime factorization of 1990705 is 5 × 29 × 13729.
Since it has a total of 3 prime factors.
6 , 7 , 95 , 92 , 247 , 801 , 7920 , 2905 , 52791 , 54186 , 876560 , 159466 , 9646611 , 7633624 , 9369230 , 33467746 , 821169760 , 117181923 , 5716393829 , 5114478708
n×2
3981410
n×3
5972115
n×4
7962820
n×5
9953525
n÷2
995352.5
n÷3
663568.33333333
n÷3
497676.25
n÷5
398141
n2
3962906397025
n3
7888977579089652625
n4
1.5704627111582E+25
n5
3.1263279714161E+31
2 √n
1410.9234564639
3 √n
125.7966190664
4 √n
37.562261066979
5 √n
18.18868833972
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
-1990704
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 1990705 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990705) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100110000000110001
3
Ternary
10202010201211
4
Quaternary
13212000301
5
Quinary
1002200310
6
Senary
110400121
8
Octal
7460061
10
Decimal
1990705
12
Duodecimal
800041
16
Hexadecimal
1e6031
20
Vigesimal
c8gf5
36
Base36
16o1d
md5
8deafbf37fe77dde6e921592075c9445
sha1
c04bec1f901d411665ae92170ad756365684e486
sha256
79667eda8fbfc975f20d74e3ffae003eab8dd68b7f627fe7d6c99cc6bb3f4f62
sha512
6ca29aad0e59fca04f9f38556415a62ba182665a3e4d3baf0aadeab7e2597099a8aac4d41de63458dd5e2b3ef10ea83af6a97f3e09230bdf946fbb44d5a3e917
ripemd-160
11de4fd90ddd4ae672e6caf35491a743e4c8457a
Diameter
3981410
Circumference
12507968.406929
Area
12449837623758
Volume
3.304527200907E+19
Surface area
49799350495031
Circumference
12507968.406929
Perimeter
7962820
Area
3962906397025
Diagonal
2815282.0096839
Surface area
23777438382150
Volume
7888977579089652625
Space diagonal
3448002.2028814
Perimeter
5972115
Area
1715988806321.8
Altitude
1724001.1014407
Surface area
1715988806321.8
Volume
9.2972492380049E+17
Height
938427.33656131