207938421 is an odd 9-digits composite number following 207938420
and preceding 207938422 . In scientific notation, it is written as 2.07938421 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 134152200 positive integers (up to 207938421) that are relatively prime to 207938421.
207938421 has 12 divisors, whose sum is 301435680
The reverse of 207938421 is 124839702
Previous prime number is 279
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred seven million nine hundred thirty-eight thousand four hundred twenty-one
Scientific notation
2.07938421 × 10^8
Engineering notation
2.07938421 × 10^6
Prime Factorization
3 × 3 × 279 × 82811
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
69312807
Product of the distinct prime numbers
The prime factorization of 207938421 is 3 × 3 × 279 × 82811.
Since it has a total of 4 prime factors.
3 , 10 , 7 , 6 , 454 , 532 , 2836 , 1422 , 28166 , 89230 , 148603 , 611200 , 2112418 , 1992429 , 93459451 , 32344846 , 586023633 , 867697407 , 3294569725 , 811754584
n×2
415876842
n×3
623815263
n×4
831753684
n×5
1039692105
n÷2
103969210.5
n÷3
69312807
n÷3
51984605.25
n÷5
41587684.2
n2
43238386927973241
n3
8.9909219043898E+24
n4
1.8695581041331E+33
n5
3.887529601412E+41
2 √n
14420.070076113
3 √n
592.4407375433
4 √n
120.08359619912
5 √n
46.087903019873
1 , 3 , 9 , 279 , 837 , 2511 , 82811 , 248433 , 745299 , 23104269 , 69312807 , 207938421
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-207938420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 207938421 can be divided by 12 positive divisors.
The sum of these divisors (counting 207938421) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100011001001110001101110101
3
Ternary
112111021100220000
4
Quaternary
30121032031311
5
Quinary
411213012141
6
Senary
32344501513
8
Octal
1431161565
10
Decimal
207938421
12
Duodecimal
5977a899
16
Hexadecimal
c64e375
20
Vigesimal
34jc611
36
Base36
3fsub9
md5
23cfb6e0d7b8e49747ae34f6f00bf18c
sha1
634055a3f90a642e59fc96295863100281af51c6
sha256
80ef66b86a38a00dca3f2f31353d79311b8d70ba528ec56af8b2cd471fb38a14
sha512
7286cb929d4404f38717081ca93f37d601ef536f31c46890d5ff8fcf3bb8f1adc1724071fcf7399b1bd33b5171ffe0b950df0140022162f5ebc3a74878617205
ripemd-160
d983f6e705761207ee4149a0fc72dcf9ce64028d
Diameter
415876842
Circumference
1306515631.6253
Area
1.3583739872599E+17
Volume
3.7661085605107E+25
Surface area
5.4334959490397E+17
Circumference
1306515631.6253
Perimeter
831753684
Area
43238386927973241
Diagonal
294069335.11665
Surface area
259430321567839446
Volume
8.9909219043898E+24
Space diagonal
360159910.01765
Perimeter
623815263
Area
1.8722770749143E+16
Altitude
180079955.00882
Surface area
1.8722770749143E+16
Volume
1.0595903079521E+24
Height
98023111.705549