1997488940 is an even 10-digits composite number following 1997488939
and preceding 1997488941 . In scientific notation, it is written as 1.997488940 × 10^9.
The sum of its digits is 59. It has a total of 5 prime factors and 24 positive divisors.
There are 797351040 positive integers (up to 1997488940) that are relatively prime to 1997488940.
1997488940 has 24 divisors, whose sum is 4203360672
The reverse of 1997488940 is 0498847991
Previous prime number is 487
Is Prime? no
Number parity even
Number length 10
Sum of Digits 59
Digital Root 5
Name
one billion nine hundred ninety-seven million four hundred eighty-eight thousand nine hundred forty
Scientific notation
1.997488940 × 10^9
Engineering notation
1.997488940 × 10^9
Prime Factorization
2 × 2 × 5 × 487 × 205081
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
998744470
Product of the distinct prime numbers
The prime factorization of 1997488940 is 2 × 2 × 5 × 487 × 205081.
Since it has a total of 5 prime factors.
1 , 4 , 68 , 52 , 286 , 737 , 5354 , 7456 , 80019 , 43887 , 339660 , 432390 , 4310260 , 8160091 , 64729014 , 14050909 , 975683191 , 276593812 , 298898695 , 376109693
n×2
3994977880
n×3
5992466820
n×4
7989955760
n×5
9987444700
n÷2
998744470
n÷3
665829646.66667
n÷3
499372235
n÷5
399497788
n2
3989962065422323600
n3
7.9699050967006E+27
n4
1.5919797283509E+37
n5
3.1799619000852E+46
2 √n
44693.276228086
3 √n
1259.3935395063
4 √n
211.40784334571
5 √n
72.459757568572
1 , 2 , 4 , 5 , 10 , 20 , 487 , 974 , 1948 , 2435 , 4870 , 9740 , 205081 , 410162 , 820324 , 1025405 , 2050810 , 4101620 , 99874447 , 199748894 , 399497788 , 499372235 , 998744470 , 1997488940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1997488939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1997488940 can be divided by 24 positive divisors.
The sum of these divisors (counting 1997488940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110111000011110100001100101100
3
Ternary
12011012121221200212
4
Quaternary
1313003310030230
5
Quinary
13042324121230
6
Senary
530113041552
8
Octal
16703641454
10
Decimal
1997488940
12
Duodecimal
478b562b8
16
Hexadecimal
770f432c
20
Vigesimal
1b446270
36
Base36
x194bw
md5
d98096302aa399670e109390a01c418b
sha1
f8ec60dbec7aadc14e1f8236d60d4b30afd5ebe2
sha256
cf0b17bd3a936850f9bf04f86dc5f82a33866f96074945b3d6642691fc23ee24
sha512
29426f5e5bb63c3e4bb8d08da269a0c3d4c3f5846d3e7991e88f0cfca84e8d331c0b912dcc1ece64c52a01306152029442fe226d7de700d71df84771f15af62a
ripemd-160
fec85e215e144a2ac951caa08729208817f65a1a
Diameter
3994977880
Circumference
12550593159.062
Area
1.2534835512833E+19
Volume
3.3384260402137E+28
Surface area
5.0139342051331E+19
Circumference
12550593159.062
Perimeter
7989955760
Area
3989962065422323600
Diagonal
2824875949.6383
Surface area
2.3939772392534E+19
Volume
7.9699050967006E+27
Space diagonal
3459752331.6369
Perimeter
5992466820
Area
1.727704254396E+18
Altitude
1729876165.8185
Surface area
1.727704254396E+18
Volume
9.3926232321504E+26
Height
941625316.54609