1997994805 is an odd 10-digits composite number following 1997994804
and preceding 1997994806 . In scientific notation, it is written as 1.997994805 × 10^9.
The sum of its digits is 61. It has a total of 4 prime factors and 16 positive divisors.
There are 1588977280 positive integers (up to 1997994805) that are relatively prime to 1997994805.
1997994805 has 16 divisors, whose sum is 2411757504
The reverse of 1997994805 is 5084997991
Previous prime number is 1811
Is Prime? no Number parity odd Number length 10 Sum of Digits 61 Digital Root 7
Name
one billion nine hundred ninety-seven million nine hundred ninety-four thousand eight hundred five
Scientific notation
1.997994805 × 10^9
Engineering notation
1.997994805 × 10^9
Prime Factorization
5 × 233 × 1811 × 947
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1997994805 Product of the distinct prime numbers
The prime factorization of 1997994805 is 5 × 233 × 1811 × 947.
Since it has a total of 4 prime factors.
1 , 8 , 83 , 47 , 148 , 372 , 2297 , 6188 , 82004 , 54946 , 891968 , 474287 , 5605465 , 5607635 , 16432361 , 2721074 , 33237257 , 306134387 , 3609234222 , 127534412
n×2
3995989610
n×3
5993984415
n×4
7991979220
n×5
9989974025
n÷2
998997402.5
n÷3
665998268.33333
n÷3
499498701.25
n÷5
399598961
n2
3991983240806988025
n3
7.9759617767794E+27
n4
1.5935930194884E+37
n5
3.1839905742221E+46
2 √n44698.935166288
3 √n1259.4998445321
4 √n211.42122685835
5 √n72.463427290286
1 , 5 , 233 , 947 , 1165 , 1811 , 4735 , 9055 , 220651 , 421963 , 1103255 , 1715017 , 2109815 , 8575085 , 399598961 , 1997994805
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
-1997994804 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 1997994805 can be divided by 16 positive divisors.
The sum of these divisors (counting 1997994805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111000101101111101100110101
3
Ternary
12011020120122121121
4
Quaternary
1313011233230311
5
Quinary
13042441313210
6
Senary
530131543541
8
Octal
16705575465
10
Decimal
1997994805
12
Duodecimal
47915abb1
16
Hexadecimal
7716fb35
20
Vigesimal
1b479705
36
Base36
x1jynp
md5
4a1f659df54c09aba390b1691b71e513
sha1
3d99d460e7273f29908e5023880b48e9d04b93aa
sha256
5789bd1296e688b2dbecddd64a85fd874ea83d66d32e5ed2efeedbdb7e30552b
sha512
142ca59ffab84c9265018d528490cd4bf00db65c460b00832fe42b7fc43b4a38ee278f01ca3d077502458b399d915bfe4e06121e5f57af4e076fce83412edfbc
ripemd-160
ba1070db29eeebd3754e5a129b325876e4858759
Diameter
3995989610
Circumference
12553771602.597
Area
1.2541185222573E+19
Volume
3.3409630564324E+28
Surface area
5.0164740890291E+19
Circumference
12553771602.597
Perimeter
7991979220
Area
3991983240806988025
Diagonal
2825591350.782
Surface area
2.3951899444842E+19
Volume
7.9759617767794E+27
Space diagonal
3460628515.5187
Perimeter
5993984415
Area
1.7285794490103E+18
Altitude
1730314257.7593
Surface area
1.7285794490103E+18
Volume
9.3997610980757E+26
Height
941863783.594