1990471145 is an odd 10-digits composite number following 1990471144
and preceding 1990471146 . In scientific notation, it is written as 1.990471145 × 10^9.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 1469886336 positive integers (up to 1990471145) that are relatively prime to 1990471145.
1990471145 has 8 divisors, whose sum is 2572301256
The reverse of 1990471145 is 5411740991
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 41
Digital Root 5
Name
one billion nine hundred ninety million four hundred seventy-one thousand one hundred forty-five
Scientific notation
1.990471145 × 10^9
Engineering notation
1.990471145 × 10^9
Prime Factorization
5 × 13 × 30622633
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1990471145
Product of the distinct prime numbers
The prime factorization of 1990471145 is 5 × 13 × 30622633.
Since it has a total of 3 prime factors.
2 , 5 , 77 , 28 , 444 , 454 , 7891 , 2690 , 30218 , 91118 , 488630 , 794070 , 8612104 , 4831218 , 59950059 , 49791 , 591084104 , 209629132 , 2778314995 , 8634097714
n×2
3980942290
n×3
5971413435
n×4
7961884580
n×5
9952355725
n÷2
995235572.5
n÷3
663490381.66667
n÷3
497617786.25
n÷5
398094229
n2
3961975379077611025
n3
7.8861976692544E+27
n4
1.5697248904417E+37
n5
3.1244921000125E+46
2 √n
44614.696513593
3 √n
1257.9169295222
4 √n
211.2219129579
5 √n
72.408771168386
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
-1990471144
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 1990471145 can be divided by 8 positive divisors.
The sum of these divisors (counting 1990471145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101001000010110111101001
3
Ternary
12010201102102002112
4
Quaternary
1312221002313221
5
Quinary
13034030034040
6
Senary
525302412105
8
Octal
16651026751
10
Decimal
1990471145
12
Duodecimal
476731035
16
Hexadecimal
76a42de9
20
Vigesimal
1b208hh5
36
Base36
wx2pd5
md5
9daa00bafb7b45c8a07c2c073da0d32b
sha1
e1fc31e2ca19a85565a91981edbf0f886425dc99
sha256
dd242b1bebc127ef0440d0b595fd1c566d4fe00acb5570eb59233089d008b3b0
sha512
e74c429c153a73f42fdba4b02d2da948b129adb073a56f04cf000402c69175b785c345c86c2f6a67e2c42c316bac98a415bfd2b943819a4349c9c0ac62188ef7
ripemd-160
52b406e80562f79bee48b9465ddd1f1651d26c26
Diameter
3980942290
Circumference
12506499052.629
Area
1.2446912744614E+19
Volume
3.3033627549982E+28
Surface area
4.9787650978455E+19
Circumference
12506499052.629
Perimeter
7961884580
Area
3961975379077611025
Diagonal
2814951288.7713
Surface area
2.3771852274466E+19
Volume
7.8861976692544E+27
Space diagonal
3447597154.1398
Perimeter
5971413435
Area
1.7155856637248E+18
Altitude
1723798577.0699
Surface area
1.7155856637248E+18
Volume
9.2939730828456E+26
Height
938317096.2571