1385455721 is an odd 10-digits composite number following 1385455720
and preceding 1385455722 . In scientific notation, it is written as 1.385455721 × 10^9.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 1278623232 positive integers (up to 1385455721) that are relatively prime to 1385455721.
1385455721 has 8 divisors, whose sum is 1492331400
The reverse of 1385455721 is 1275545831
Previous prime number is 7649
Is Prime? no Number parity odd Number length 10 Sum of Digits 41 Digital Root 5
Name
one billion three hundred eighty-five million four hundred fifty-five thousand seven hundred twenty-one
Scientific notation
1.385455721 × 10^9
Engineering notation
1.385455721 × 10^9
Prime Factorization
13 × 7649 × 13933
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1385455721 Product of the distinct prime numbers
The prime factorization of 1385455721 is 13 × 7649 × 13933.
Since it has a total of 3 prime factors.
10 , 6 , 33 , 28 , 91 , 742 , 7413 , 7930 , 33592 , 34881 , 119330 , 169621 , 3970366 , 326471 , 93616886 , 52114848 , 839138064 , 210097290 , 2436489276 , 579894268
n×2
2770911442
n×3
4156367163
n×4
5541822884
n×5
6927278605
n÷2
692727860.5
n÷3
461818573.66667
n÷3
346363930.25
n÷5
277091144.2
n2
1919487554851629841
n3
2.6593650142575E+27
n4
3.6844324732303E+36
n5
5.1046180486751E+45
2 √n37221.710344905
3 √n1114.80151467
4 √n192.92928845799
5 √n67.347042707774
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
-1385455720 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 1385455721 can be divided by 8 positive divisors.
The sum of these divisors (counting 1385455721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010100101000110000001101001
3
Ternary
10120112222102221212
4
Quaternary
1102211012001221
5
Quinary
10314134040341
6
Senary
345251042505
8
Octal
12245060151
10
Decimal
1385455721
12
Duodecimal
327ba0435
16
Hexadecimal
52946069
20
Vigesimal
11cj1j61
36
Base36
mwv4h5
md5
c4e8ff3469b8828366116cf794d07ebe
sha1
7b4a1082f6aa9e20056212c3fbd8939684d491e9
sha256
b9b52e43b89de7663994863d1c8c8c350690d891387f24d80ce377428d9b2227
sha512
0fccc1b5400666a05a553a56c85c048863b1c3afef7a98bcb7c8050e1e30d44219510a261fbceef6b9a6afb7536e2f8265268eaa0b9cae49cfe6f4baa2c04c23
ripemd-160
f986621e7b3e92a10a032933941bd0dfd6a8aaf7
Diameter
2770911442
Circumference
8705075029.9351
Area
6.0302480009789E+18
Volume
1.1139522122673E+28
Surface area
2.4120992003916E+19
Circumference
8705075029.9351
Perimeter
5541822884
Area
1919487554851629841
Diagonal
1959330270.7056
Surface area
1.151692532911E+19
Volume
2.6593650142575E+27
Space diagonal
2399679700.409
Perimeter
4156367163
Area
8.3116249237479E+17
Altitude
1199839850.2045
Surface area
8.3116249237479E+17
Volume
3.1340917253862E+26
Height
653110090.2352