1990706779 is an odd 10-digits composite number following 1990706778
and preceding 1990706780 . In scientific notation, it is written as 1.990706779 × 10^9.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 1885465512 positive integers (up to 1990706779) that are relatively prime to 1990706779.
1990706779 has 8 divisors, whose sum is 2096000000
The reverse of 1990706779 is 9776070991
Previous prime number is 20959
Is Prime? no Number parity odd Number length 10 Sum of Digits 55 Digital Root 1
Name
one billion nine hundred ninety million seven hundred six thousand seven hundred seventy-nine
Scientific notation
1.990706779 × 10^9
Engineering notation
1.990706779 × 10^9
Prime Factorization
19 × 20959 × 4999
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1990706779 Product of the distinct prime numbers
The prime factorization of 1990706779 is 19 × 20959 × 4999.
Since it has a total of 3 prime factors.
6 , 5 , 35 , 20 , 252 , 848 , 6319 , 1968 , 17626 , 49608 , 215322 , 403545 , 2999387 , 8285328 , 61275093 , 80914046 , 749784231 , 438353016 , 3118828574 , 2160198998
n×2
3981413558
n×3
5972120337
n×4
7962827116
n×5
9953533895
n÷2
995353389.5
n÷3
663568926.33333
n÷3
497676694.75
n÷5
398141355.8
n2
3962913479956554841
n3
7.88899872914E+27
n4
1.5704683249621E+37
n5
3.1263419407069E+46
2 √n44617.337202034
3 √n1257.9665653924
4 √n211.22816384667
5 √n72.410485452018
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
-1990706778 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 1990706779 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990706779) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101001111100011001011011
3
Ternary
12010201212101022201
4
Quaternary
1312221330121123
5
Quinary
13034110104104
6
Senary
525311431031
8
Octal
16651743133
10
Decimal
1990706779
12
Duodecimal
476825477
16
Hexadecimal
76a7c65b
20
Vigesimal
1b21i6ij
36
Base36
wx7r6j
md5
f7eb43a202605ebde177407667b3108d
sha1
29ffc9928a820fcee0628a4fab7936761dc9e5e0
sha256
da4a840b260b25b0049334014ab06c93f02bf3d95f426aaf006de3cabed37139
sha512
ece3fa143c63c963ae5bf22085d41f3bb712ae3234d9a51a2bfa6813eff68e1888ffd622348050a8c86710ff2267f079856a77ff64fb9876bb9c7d6bca30f280
ripemd-160
e87d98bab7f165eeb0b4bafe101f785112d9ddf3
Diameter
3981413558
Circumference
12507979584.716
Area
1.2449859875443E+19
Volume
3.3045360602194E+28
Surface area
4.9799439501774E+19
Circumference
12507979584.716
Perimeter
7962827116
Area
3962913479956554841
Diagonal
2815284525.5699
Surface area
2.3777480879739E+19
Volume
7.88899872914E+27
Space diagonal
3448005284.1998
Perimeter
5972120337
Area
1.7159918733211E+18
Altitude
1724002642.0999
Surface area
1.7159918733211E+18
Volume
9.2972741635782E+26
Height
938428175.18995