1990685007 is an odd 10-digits composite number following 1990685006
and preceding 1990685008 . In scientific notation, it is written as 1.990685007 × 10^9.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 1306791360 positive integers (up to 1990685007) that are relatively prime to 1990685007.
1990685007 has 24 divisors, whose sum is 2919589920
The reverse of 1990685007 is 7005860991
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion nine hundred ninety million six hundred eighty-five thousand seven
Scientific notation
1.990685007 × 10^9
Engineering notation
1.990685007 × 10^9
Prime Factorization
3 × 3 × 1117 × 71 × 2789
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
663561669
Product of the distinct prime numbers
The prime factorization of 1990685007 is 3 × 3 × 1117 × 71 × 2789.
Since it has a total of 5 prime factors.
7 , 6 , 6 , 55 , 277 , 318 , 7788 , 4218 , 55327 , 10231 , 489873 , 191828 , 4638076 , 5119086 , 34678283 , 1108306 , 736259384 , 778533422 , 7703137830 , 7006059530
n×2
3981370014
n×3
5972055021
n×4
7962740028
n×5
9953425035
n÷2
995342503.5
n÷3
663561669
n÷3
497671251.75
n÷5
398137001.4
n2
3962826797094590049
n3
7.888739890314E+27
n4
1.5703996223771E+37
n5
3.1261709832645E+46
2 √n
44617.093215493
3 √n
1257.9619793248
4 √n
211.22758630324
5 √n
72.410327063249
1 , 3 , 9 , 71 , 213 , 639 , 1117 , 2789 , 3351 , 8367 , 10053 , 25101 , 79307 , 198019 , 237921 , 594057 , 713763 , 1782171 , 3115313 , 9345939 , 28037817 , 221187223 , 663561669 , 1990685007
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990685006
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990685007 can be divided by 24 positive divisors.
The sum of these divisors (counting 1990685007) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110101001110111000101001111
3
Ternary
12010201211021110100
4
Quaternary
1312221313011033
5
Quinary
13034103410012
6
Senary
525311142143
8
Octal
16651670517
10
Decimal
1990685007
12
Duodecimal
476814953
16
Hexadecimal
76a7714f
20
Vigesimal
1b21fca7
36
Base36
wx7adr
md5
9d685cc7c84fa6be57304637e4c58995
sha1
a35300754c87bfdba5ddc13ea7c9ae3310a2f0c6
sha256
5505998beb0d81b92d41e697cac87de007a2d84cc006f7091d36d07ca006240f
sha512
3f1287419053e0f6abafb74b2aa4fc6cc8088b256c8fd624e4f002bd842fe4cdefeac33c6b815fe0320cf0f11b4b6c52f24a10414440475e8620b4f15752714f
ripemd-160
39c5e43e71f4b16bf9ac646fe67db98ac61f9404
Diameter
3981370014
Circumference
12507842787.205
Area
1.2449587553201E+19
Volume
3.3044276380655E+28
Surface area
4.9798350212805E+19
Circumference
12507842787.205
Perimeter
7962740028
Area
3962826797094590049
Diagonal
2815253735.3122
Surface area
2.3776960782568E+19
Volume
7.888739890314E+27
Space diagonal
3447967573.9896
Perimeter
5972055021
Area
1.7159543385408E+18
Altitude
1723983786.9948
Surface area
1.7159543385408E+18
Volume
9.2969691190965E+26
Height
938417911.77073