268701981 is an odd 9-digits composite number following 268701980
and preceding 268701982 . In scientific notation, it is written as 2.68701981 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 177164288 positive integers (up to 268701981) that are relatively prime to 268701981.
268701981 has 16 divisors, whose sum is 362232000
The reverse of 268701981 is 189107862
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred sixty-eight million seven hundred one thousand nine hundred eighty-one
Scientific notation
2.68701981 × 10^8
Engineering notation
2.68701981 × 10^6
Prime Factorization
3 × 149 × 257 × 2339
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
268701981
Product of the distinct prime numbers
The prime factorization of 268701981 is 3 × 149 × 257 × 2339.
Since it has a total of 4 prime factors.
3 , 7 , 25 , 23 , 849 , 729 , 1850 , 3355 , 27262 , 44388 , 625106 , 898182 , 4168463 , 7692434 , 95685838 , 69401917 , 315377526 , 719373277 , 7068837232 , 1549372532
n×2
537403962
n×3
806105943
n×4
1074807924
n×5
1343509905
n÷2
134350990.5
n÷3
89567327
n÷3
67175495.25
n÷5
53740396.2
n2
72200754593324361
n3
1.9400485788921E+25
n4
5.2129489638455E+33
n5
1.4007297134372E+42
2 √n
16392.131679559
3 √n
645.29300310759
4 √n
128.03176043294
5 √n
48.512557852334
1 , 3 , 149 , 257 , 447 , 771 , 2339 , 7017 , 38293 , 114879 , 348511 , 601123 , 1045533 , 1803369 , 89567327 , 268701981
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
-268701980
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 268701981 can be divided by 16 positive divisors.
The sum of these divisors (counting 268701981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10000000001000001000100011101
3
Ternary
200201121110211020
4
Quaternary
100001001010131
5
Quinary
1022241430411
6
Senary
42355114353
8
Octal
2001010435
10
Decimal
268701981
12
Duodecimal
75ba29b9
16
Hexadecimal
1004111d
20
Vigesimal
43j7ej1
36
Base36
4fz7rx
md5
d320e06291655e21f28c70227b8d9e29
sha1
ea33108eb8b4ea816e7f311cdccdf9dd067af5a3
sha256
16bb109b1b1cabcb35066ab911384cf65eccc07b8c5c25e8c42ff3bbb0662876
sha512
64fb2f1a8e7ab0fcb29cd6c3f68cce5484ee11b69a0035a70b86763f67f18a032110bc6e1f30b14adf58b1ac5855a831a685850e0b5a7bd64f41b61e15756a99
ripemd-160
f3932603fa8b0034681164329010ffe3de207762
Diameter
537403962
Circumference
1688304339.0292
Area
2.2682536021403E+17
Volume
8.126456484073E+25
Surface area
9.0730144085611E+17
Circumference
1688304339.0292
Perimeter
1074807924
Area
72200754593324361
Diagonal
380001985.76672
Surface area
433204527559946166
Volume
1.9400485788921E+25
Space diagonal
465405483.18641
Perimeter
806105943
Area
3.1263843825112E+16
Altitude
232702741.5932
Surface area
3.1263843825112E+16
Volume
2.2863691766099E+24
Height
126667328.58891