207978421 is an odd 9-digits composite number following 207978420
and preceding 207978422 . In scientific notation, it is written as 2.07978421 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 175795200 positive integers (up to 207978421) that are relatively prime to 207978421.
207978421 has 16 divisors, whose sum is 241008768
The reverse of 207978421 is 124879702
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred seven million nine hundred seventy-eight thousand four hundred twenty-one
Scientific notation
2.07978421 × 10^8
Engineering notation
2.07978421 × 10^6
Prime Factorization
7 × 113 × 241 × 1091
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
207978421
Product of the distinct prime numbers
The prime factorization of 207978421 is 7 × 113 × 241 × 1091.
Since it has a total of 4 prime factors.
5 , 10 , 9 , 26 , 713 , 30 , 7076 , 2670 , 57242 , 79462 , 184207 , 577020 , 4888897 , 2161465 , 81848415 , 56712347 , 949766922 , 141427940 , 7025477988 , 139648525
n×2
415956842
n×3
623935263
n×4
831913684
n×5
1039892105
n÷2
103989210.5
n÷3
69326140.333333
n÷3
51994605.25
n÷5
41595684.2
n2
43255023601653241
n3
8.9961115089896E+24
n4
1.8709970667796E+33
n5
3.8912701564445E+41
2 √n
14421.456965231
3 √n
592.47872332458
4 √n
120.08937074209
5 √n
46.08967602005
1 , 7 , 113 , 241 , 791 , 1091 , 1687 , 7637 , 27233 , 123283 , 190631 , 262931 , 862981 , 1840517 , 29711203 , 207978421
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
-207978420
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 207978421 can be divided by 16 positive divisors.
The sum of these divisors (counting 207978421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011001010111111110110101
3
Ternary
112111100101202111
4
Quaternary
30121113332311
5
Quinary
411220302141
6
Senary
32345411021
8
Octal
1431277665
10
Decimal
207978421
12
Duodecimal
59799a71
16
Hexadecimal
c657fb5
20
Vigesimal
34jh611
36
Base36
3ftp6d
md5
559f0d6afafada5dcd9a368240fae4b0
sha1
3996f39669abe743e14c256bb80e23a1ff876ef1
sha256
70d5bd399163b5c6cc1a3384d1bc947d7efbb6f5d9205bbf78035de35493d2dd
sha512
434e9359ac7db85ba141aa39e005ad41c3145ae19bd202e6081defbbf00168e3e0e1715002a1259cc46f9724bcd6d302ce5cc75577935d264062caf31d164c23
ripemd-160
46451dda7ed920a307aba2880812e97713bd71d9
Diameter
415956842
Circumference
1306766959.0376
Area
1.3588966437781E+17
Volume
3.7682823770022E+25
Surface area
5.4355865751123E+17
Circumference
1306766959.0376
Perimeter
831913684
Area
43255023601653241
Diagonal
294125903.65914
Surface area
259530141609919446
Volume
8.9961115089896E+24
Space diagonal
360229192.04995
Perimeter
623935263
Area
1.8729974640164E+16
Altitude
180114596.02497
Surface area
1.8729974640164E+16
Volume
1.0602019087195E+24
Height
98041967.88638