1997398889 is an odd 10-digits composite number following 1997398888
and preceding 1997398890 . In scientific notation, it is written as 1.997398889 × 10^9.
The sum of its digits is 71. It has a total of 2 prime factors and 4 positive divisors.
There are 1997306256 positive integers (up to 1997398889) that are relatively prime to 1997398889.
1997398889 has 4 divisors, whose sum is 1997491524
The reverse of 1997398889 is 9888937991
Previous prime number is 58477
Is Prime? no Number parity odd Number length 10 Sum of Digits 71 Digital Root 8
Name
one billion nine hundred ninety-seven million three hundred ninety-eight thousand eight hundred eighty-nine
Scientific notation
1.997398889 × 10^9
Engineering notation
1.997398889 × 10^9
Prime Factorization
58477 × 34157
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1997398889 Product of the distinct prime numbers
The prime factorization of 1997398889 is 58477 × 34157.
Since it has a total of 2 prime factors.
1 , 7 , 44 , 79 , 599 , 804 , 3954 , 4782 , 16699 , 99623 , 135015 , 605321 , 348573 , 8709129 , 67425650 , 54161482 , 867668943 , 777358272 , 440752282 , 2737727139
n×2
3994797778
n×3
5992196667
n×4
7989595556
n×5
9986994445
n÷2
998699444.5
n÷3
665799629.66667
n÷3
499349722.25
n÷5
399479777.8
n2
3989602321778434321
n3
7.9688272450721E+27
n4
1.591692668594E+37
n5
3.1792451678791E+46
2 √n44692.268783314
3 √n1259.3746138526
4 √n211.40546062795
5 √n72.459104229155
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1997398888 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1997398889 can be divided by 4 positive divisors.
The sum of these divisors (counting 1997398889) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111000011011110001101101001
3
Ternary
12011012110101011122
4
Quaternary
1313003132031221
5
Quinary
13042313231024
6
Senary
530111105025
8
Octal
16703361551
10
Decimal
1997398889
12
Duodecimal
478b12175
16
Hexadecimal
770de369
20
Vigesimal
1b43eh49
36
Base36
x176uh
md5
63a724ba9c562c8576b265ddec72a374
sha1
69d79074bd70a5b034adb0c1238846cd57d7de0c
sha256
cc60b4835be4ec2010ffcc2f8bfeef1e6aea0ff9de59ee26ba83d06201b42720
sha512
1b1ed8e7ea0cead41689673ae7b1feeb344415b2338a57e49d7d10d52c652b83658c36a9349d20753d3ffcbc1191b4ee9997cf1298924eeb2f325010a9b8111a
ripemd-160
5ebfd0637d062c55db3c32690ddec5fae201d972
Diameter
3994797778
Circumference
12550027351.942
Area
1.2533705344844E+19
Volume
3.3379745507793E+28
Surface area
5.0134821379376E+19
Circumference
12550027351.942
Perimeter
7989595556
Area
3989602321778434321
Diagonal
2824748598.2928
Surface area
2.3937613930671E+19
Volume
7.9688272450721E+27
Space diagonal
3459596358.7296
Perimeter
5992196667
Area
1.7275484808288E+18
Altitude
1729798179.3648
Surface area
1.7275484808288E+18
Volume
9.3913529718243E+26
Height
941582866.09758