268989991 is an odd 9-digits composite number following 268989990
and preceding 268989992 . In scientific notation, it is written as 2.68989991 × 10^8.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 256359840 positive integers (up to 268989991) that are relatively prime to 268989991.
268989991 has 8 divisors, whose sum is 281705184
The reverse of 268989991 is 199989862
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
two hundred sixty-eight million nine hundred eighty-nine thousand nine hundred ninety-one
Scientific notation
2.68989991 × 10^8
Engineering notation
2.68989991 × 10^6
Prime Factorization
23 × 277 × 42221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
268989991
Product of the distinct prime numbers
The prime factorization of 268989991 is 23 × 277 × 42221.
Since it has a total of 3 prime factors.
10 , 2 , 18 , 37 , 55 , 431 , 2598 , 2456 , 39653 , 63517 , 458052 , 248530 , 4210254 , 1469904 , 56110435 , 60527395 , 16421257 , 129966740 , 9563114515 , 1046930646
n×2
537979982
n×3
806969973
n×4
1075959964
n×5
1344949955
n÷2
134494995.5
n÷3
89663330.333333
n÷3
67247497.75
n÷5
53797998.2
n2
72355615258180081
n3
1.9462936297097E+25
n4
5.2353350593898E+33
n5
1.4082527305072E+42
2 √n
16400.914334268
3 √n
645.52347464441
4 √n
128.06605457446
5 √n
48.522953097765
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
-268989990
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 268989991 can be divided by 8 positive divisors.
The sum of these divisors (counting 268989991) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000010000111011000100111
3
Ternary
200202011002220021
4
Quaternary
100002013120213
5
Quinary
1022330134431
6
Senary
42405220011
8
Octal
2002073047
10
Decimal
268989991
12
Duodecimal
76101607
16
Hexadecimal
10087627
20
Vigesimal
4413ejb
36
Base36
4g5e07
md5
4847f5c260ed1c89a1d3fe48ed8659b8
sha1
2d01cb48bbd99186c78214f806242efeae6132c3
sha256
8b85b343892f08950ed8ac3ec8dc6784436e760d9530787e4d7af69d212f3fcc
sha512
c0aa46b353a20aac2f5bd26d0c427b6a12ebd5d5097ac90a03e5b3d5277fc9bbaeecf7f59244f11c6bb7a604ce92c01f0b52ab4b12703699b54f7956dc6896d7
ripemd-160
6bf4323061729f96512f9ef441e8eeb4bfe27370
Diameter
537979982
Circumference
1690113959.2296
Area
2.2731186934107E+17
Volume
8.1526156917663E+25
Surface area
9.0924747736427E+17
Circumference
1690113959.2296
Perimeter
1075959964
Area
72355615258180081
Diagonal
380409293.41482
Surface area
434133691549080486
Volume
1.9462936297097E+25
Space diagonal
465904331.1395
Perimeter
806969973
Area
3.1330900460018E+16
Altitude
232952165.56975
Surface area
3.1330900460018E+16
Volume
2.2937290395799E+24
Height
126803097.80494