1990494915 is an odd 10-digits composite number following 1990494914
and preceding 1990494916 . In scientific notation, it is written as 1.990494915 × 10^9.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 1057190400 positive integers (up to 1990494915) that are relatively prime to 1990494915.
1990494915 has 16 divisors, whose sum is 3198012576
The reverse of 1990494915 is 5194940991
Previous prime number is 241
Is Prime? no Number parity odd Number length 10 Sum of Digits 51 Digital Root 6
Name
one billion nine hundred ninety million four hundred ninety-four thousand nine hundred fifteen
Scientific notation
1.990494915 × 10^9
Engineering notation
1.990494915 × 10^9
Prime Factorization
3 × 5 × 241 × 550621
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1990494915 Product of the distinct prime numbers
The prime factorization of 1990494915 is 3 × 5 × 241 × 550621.
Since it has a total of 4 prime factors.
10 , 9 , 72 , 67 , 343 , 802 , 4198 , 1649 , 78787 , 85815 , 277985 , 461356 , 8436305 , 2969838 , 57400483 , 68878874 , 502094917 , 496252552 , 64191013 , 2343847152
n×2
3980989830
n×3
5971484745
n×4
7961979660
n×5
9952474575
n÷2
995247457.5
n÷3
663498305
n÷3
497623728.75
n÷5
398098983
n2
3962070006640857225
n3
7.8864802010926E+27
n4
1.5697998737523E+37
n5
3.1246786662716E+46
2 √n44614.962904837
3 √n1257.9219368068
4 √n211.22254355262
5 √n72.408944107168
1 , 3 , 5 , 15 , 241 , 723 , 1205 , 3615 , 550621 , 1651863 , 2753105 , 8259315 , 132699661 , 398098983 , 663498305 , 1990494915
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1990494914 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1990494915 can be divided by 16 positive divisors.
The sum of these divisors (counting 1990494915) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101001001000101011000011
3
Ternary
12010201110121200220
4
Quaternary
1312221020223003
5
Quinary
13034031314130
6
Senary
525303114123
8
Octal
16651105303
10
Decimal
1990494915
12
Duodecimal
476742943
16
Hexadecimal
76a48ac3
20
Vigesimal
1b20bh5f
36
Base36
wx37pf
md5
d49c24cef7639614254ae6b2c23a61eb
sha1
c13a168ab829c2f8665e8ea61b8936cd7a7e3109
sha256
df9df7b625084ec6ce6614ee3722a3272580c4fd9fd41d6a46754d270e2766e7
sha512
ce66d43d3310a6976ece14c6d55a78159e01da0d2b1def8322068f66615431cb2531f20b8706770be5d3edd1287371955fab2fff4d47adc45a740ca62b1f4321
ripemd-160
efbf97bc2d8e8940c4726291aa8bfdcadd58c053
Diameter
3980989830
Circumference
12506648403.944
Area
1.2447210025871E+19
Volume
3.3034811016579E+28
Surface area
4.9788840103486E+19
Circumference
12506648403.944
Perimeter
7961979660
Area
3962070006640857225
Diagonal
2814984904.6277
Surface area
2.3772420039845E+19
Volume
7.8864802010926E+27
Space diagonal
3447638324.9875
Perimeter
5971484745
Area
1.7156266386617E+18
Altitude
1723819162.4937
Surface area
1.7156266386617E+18
Volume
9.2943060498101E+26
Height
938328301.54256