297987989 is an odd 9-digits composite number following 297987988
and preceding 297987990 . In scientific notation, it is written as 2.97987989 × 10^8.
The sum of its digits is 68. It has a total of 3 prime factors and 8 positive divisors.
There are 270555840 positive integers (up to 297987989) that are relatively prime to 297987989.
297987989 has 8 divisors, whose sum is 326171832
The reverse of 297987989 is 989789792
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 68
Digital Root 5
Name
two hundred ninety-seven million nine hundred eighty-seven thousand nine hundred eighty-nine
Scientific notation
2.97987989 × 10^8
Engineering notation
2.97987989 × 10^6
Prime Factorization
13 × 61 × 375773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
297987989
Product of the distinct prime numbers
The prime factorization of 297987989 is 13 × 61 × 375773.
Since it has a total of 3 prime factors.
4 , 5 , 98 , 86 , 746 , 954 , 4027 , 2411 , 84937 , 58657 , 635659 , 89452 , 2476888 , 1026030 , 16720176 , 27147532 , 115014329 , 553032474 , 6182644118 , 7716627699
n×2
595975978
n×3
893963967
n×4
1191951956
n×5
1489939945
n÷2
148993994.5
n÷3
99329329.666667
n÷3
74496997.25
n÷5
59597597.8
n2
88796841588264121
n3
2.6460392254438E+25
n4
7.8848790760513E+33
n5
2.3495992593807E+42
2 √n
17262.328608852
3 √n
667.93302916037
4 √n
131.38618119442
5 √n
49.526741085596
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
-297987988
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 297987989 can be divided by 8 positive divisors.
The sum of these divisors (counting 297987989) is 1, the average is 0.125.
Base
System
Value
2
Binary
10001110000101110111110010101
3
Ternary
202202201100200012
4
Quaternary
101300232332111
5
Quinary
1102241103424
6
Senary
45322530005
8
Octal
2160567625
10
Decimal
297987989
12
Duodecimal
83966905
16
Hexadecimal
11c2ef95
20
Vigesimal
4d289j9
36
Base36
4xex05
md5
8331f74d122e3e9be02fff12eaab9e45
sha1
9f8f6ba630e8f2292ee64e7791f9a3fabdecc72c
sha256
258a1a5a4d0c56c7359a9818829388bfa6ab6a30cd66c5a06c6fb6646e6ef2a5
sha512
2ee83a12aa18f327f7815414b0de610212c19308cf70f0bcaba2cb090bf8c96252f5abc9383cf3db3479bb7176bc9a109bc7d702eb3c5db9a35d17db2d36d60b
ripemd-160
40f2a7090b828751ba5e9446f9a5a86694f9810f
Diameter
595975978
Circumference
1872313754.2008
Area
2.7896350519567E+17
Volume
1.108370318902E+26
Surface area
1.1158540207827E+18
Circumference
1872313754.2008
Perimeter
1191951956
Area
88796841588264121
Diagonal
421418655.46808
Surface area
532781049529584726
Volume
2.6460392254438E+25
Space diagonal
516130336.99328
Perimeter
893963967
Area
3.845016029563E+16
Altitude
258065168.49664
Surface area
3.845016029563E+16
Volume
3.1183871326616E+24
Height
140472885.15603