1997029789 is an odd 10-digits composite number following 1997029788
and preceding 1997029790 . In scientific notation, it is written as 1.997029789 × 10^9.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 1881350352 positive integers (up to 1997029789) that are relatively prime to 1997029789.
1997029789 has 8 divisors, whose sum is 2113884000
The reverse of 1997029789 is 9879207991
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 61
Digital Root 7
Name
one billion nine hundred ninety-seven million twenty-nine thousand seven hundred eighty-nine
Scientific notation
1.997029789 × 10^9
Engineering notation
1.997029789 × 10^9
Prime Factorization
19 × 179 × 587189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1997029789
Product of the distinct prime numbers
The prime factorization of 1997029789 is 19 × 179 × 587189.
Since it has a total of 3 prime factors.
6 , 3 , 83 , 95 , 258 , 503 , 1406 , 2182 , 20450 , 55182 , 239250 , 773910 , 2636104 , 7584213 , 17901391 , 12004771 , 85319094 , 324430615 , 3070478295 , 3853067375
n×2
3994059578
n×3
5991089367
n×4
7988119156
n×5
9985148945
n÷2
998514894.5
n÷3
665676596.33333
n÷3
499257447.25
n÷5
399405957.8
n2
3988127978153384521
n3
7.9644103747166E+27
n4
1.590516477013E+37
n5
3.1763087844903E+46
2 √n
44688.13924298
3 √n
1259.2970356569
4 √n
211.39569352988
5 √n
72.456426082832
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
-1997029788
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 1997029789 can be divided by 8 positive divisors.
The sum of these divisors (counting 1997029789) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000010000100000110011101
3
Ternary
12011011202121212021
4
Quaternary
1313002010012131
5
Quinary
13042214423124
6
Senary
530055140141
8
Octal
16702040635
10
Decimal
1997029789
12
Duodecimal
478974651
16
Hexadecimal
7708419d
20
Vigesimal
1b418e99
36
Base36
x0za1p
md5
4ba8f1e96a7c69d56c58da7d4ae0ee1a
sha1
7c0ebd3d21d8442f839d48ece0eae86ef78a05cd
sha256
e8f7f4f3974b05c0dfc0d1dc2ce0e48d8318d2deb963dfa2cdd221fa4daea954
sha512
acb5965076bf88385a6ac7242c937b8f26d536b6857bf58b043916de6bc17b0b557bc878190b51d57a40da2adf7d3cf53f5ae7fdb0a698cd3c1e7581940f3275
ripemd-160
39e7c386d7d39cc119e38fd0d728c5fc69004337
Diameter
3994059578
Circumference
12547708228.245
Area
1.2529073557743E+19
Volume
3.3361244164512E+28
Surface area
5.011629423097E+19
Circumference
12547708228.245
Perimeter
7988119156
Area
3988127978153384521
Diagonal
2824226612.0669
Surface area
2.392876786892E+19
Volume
7.9644103747166E+27
Space diagonal
3458957058.7766
Perimeter
5991089367
Area
1.7269100713122E+18
Altitude
1729478529.3883
Surface area
1.7269100713122E+18
Volume
9.3861476401911E+26
Height
941408870.68896