1990478207 is an odd 10-digits composite number following 1990478206
and preceding 1990478208 . In scientific notation, it is written as 1.990478207 × 10^9.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 1986178656 positive integers (up to 1990478207) that are relatively prime to 1990478207.
1990478207 has 4 divisors, whose sum is 1994777760
The reverse of 1990478207 is 7028740991
Previous prime number is 463
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion nine hundred ninety million four hundred seventy-eight thousand two hundred seven
Scientific notation
1.990478207 × 10^9
Engineering notation
1.990478207 × 10^9
Prime Factorization
463 × 4299089
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1990478207
Product of the distinct prime numbers
The prime factorization of 1990478207 is 463 × 4299089.
Since it has a total of 2 prime factors.
1 , 5 , 94 , 57 , 810 , 825 , 1435 , 8663 , 91058 , 43134 , 133761 , 666077 , 9876666 , 8721056 , 64788478 , 86821680 , 436742573 , 92975415 , 7705055517 , 426932323
n×2
3980956414
n×3
5971434621
n×4
7961912828
n×5
9952391035
n÷2
995239103.5
n÷3
663492735.66667
n÷3
497619551.75
n÷5
398095641.4
n2
3962003492541934849
n3
7.8862816079626E+27
n4
1.5697471674914E+37
n5
3.1245475273917E+46
2 √n
44614.775657847
3 √n
1257.9184171765
4 √n
211.2221003064
5 √n
72.408822548183
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1990478206
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990478207 can be divided by 4 positive divisors.
The sum of these divisors (counting 1990478207) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101001000100100101111111
3
Ternary
12010201102202210002
4
Quaternary
1312221010211333
5
Quinary
13034030300312
6
Senary
525302504515
8
Octal
16651044577
10
Decimal
1990478207
12
Duodecimal
47673513b
16
Hexadecimal
76a4497f
20
Vigesimal
1b209fa7
36
Base36
wx2utb
md5
bcb5fc1f1f32b5fb315c77ee7b05634c
sha1
29eac7a367212d408694e98b1327386957c698f2
sha256
95d4040a47f49cc2bcf722f619352b0b75294f9642b49476433383fac90792a7
sha512
b7addbe7acd3150f5e7302f8b66f6952c555cec3b44982c8d8d5a45b5024667bb999c1e2ca88d9e93199d9691c1eba6e4a11a7fc72cb6ffe43175205a427f644
ripemd-160
a5e2261f6bbc4ca7b365f2b56d5b064512510e33
Diameter
3980956414
Circumference
12506543424.484
Area
1.2447001065667E+19
Volume
3.3033979151621E+28
Surface area
4.9788004262667E+19
Circumference
12506543424.484
Perimeter
7961912828
Area
3962003492541934849
Diagonal
2814961275.9475
Surface area
2.3772020955252E+19
Volume
7.8862816079626E+27
Space diagonal
3447609385.8826
Perimeter
5971434621
Area
1.715597837212E+18
Altitude
1723804692.9413
Surface area
1.715597837212E+18
Volume
9.2940720055619E+26
Height
938320425.31583