207730991 is an odd 9-digits composite number following 207730990
and preceding 207730992 . In scientific notation, it is written as 2.07730991 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 191751672 positive integers (up to 207730991) that are relatively prime to 207730991.
207730991 has 4 divisors, whose sum is 223710312
The reverse of 207730991 is 199037702
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred seven million seven hundred thirty thousand nine hundred ninety-one
Scientific notation
2.07730991 × 10^8
Engineering notation
2.07730991 × 10^6
Prime Factorization
13 × 15979307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
207730991
Product of the distinct prime numbers
The prime factorization of 207730991 is 13 × 15979307.
Since it has a total of 2 prime factors.
3 , 2 , 99 , 86 , 223 , 835 , 7347 , 5995 , 27587 , 54131 , 943715 , 384834 , 2404490 , 8322392 , 67606482 , 75978848 , 987966868 , 366818632 , 3772439971 , 9647397347
n×2
415461982
n×3
623192973
n×4
830923964
n×5
1038654955
n÷2
103865495.5
n÷3
69243663.666667
n÷3
51932747.75
n÷5
41546198.2
n2
43152164621842081
n3
8.9640419206904E+24
n4
1.8621093115506E+33
n5
3.8681781263873E+41
2 √n
14412.875875411
3 √n
592.24367460607
4 √n
120.05363749346
5 √n
46.078704305544
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-207730990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 207730991 can be divided by 4 positive divisors.
The sum of these divisors (counting 207730991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011000011011100100101111
3
Ternary
112110212211100102
4
Quaternary
30120123210233
5
Quinary
411134342431
6
Senary
32340221315
8
Octal
1430334457
10
Decimal
207730991
12
Duodecimal
5969a83b
16
Hexadecimal
c61b92f
20
Vigesimal
34i679b
36
Base36
3foe9b
md5
841f6bfeb8593a09f6d0840ee7d1772a
sha1
8de21329bbf966de7232ba27f3391486a264a0ba
sha256
ae757590e29fad7011a342410711af22900383951b11038fcb893da04891eb5b
sha512
b8b98f6e5173af234837ad7a16d09993a27949f03a73767aeeb139d55024b094e918e8512f7b7612b50af9cb2607437b371811cde4833802154e917d0e33610a
ripemd-160
7f0558084e00d2cb216fff1750abefeb9e40f088
Diameter
415461982
Circumference
1305212310.4971
Area
1.3556652336248E+17
Volume
3.7548490992683E+25
Surface area
5.4226609344991E+17
Circumference
1305212310.4971
Perimeter
830923964
Area
43152164621842081
Diagonal
293775984.7974
Surface area
258912987731052486
Volume
8.9640419206904E+24
Space diagonal
359800630.71863
Perimeter
623192973
Area
1.8685435395402E+16
Altitude
179900315.35932
Surface area
1.8685435395402E+16
Volume
1.0564224714934E+24
Height
97925328.265801