1388896721 is an odd 10-digits prime number following 1388896720
and preceding 1388896722 . In scientific notation, it is written as 1.388896721 × 10^9.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 1388896720 positive integers (up to 1388896721) that are relatively prime to 1388896721.
1388896721 has 2 divisors, whose sum is 1388896722
The reverse of 1388896721 is 1276988831
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 53 Digital Root 8
Name
one billion three hundred eighty-eight million eight hundred ninety-six thousand seven hundred twenty-one
Scientific notation
1.388896721 × 10^9
Engineering notation
1.388896721 × 10^9
Prime Factorization
1388896721
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
1388896721 Product of the distinct prime numbers
The prime factorization of 1388896721 is 1388896721.
Since it has a total of 1 prime factors.
10 , 8 , 80 , 38 , 733 , 916 , 9907 , 9352 , 29614 , 68758 , 337118 , 645052 , 4088361 , 5725054 , 84897159 , 31154704 , 777910582 , 783170825 , 2378042018 , 5077220915
n×2
2777793442
n×3
4166690163
n×4
5555586884
n×5
6944483605
n÷2
694448360.5
n÷3
462965573.66667
n÷3
347224180.25
n÷5
277779344.2
n2
1929034101604551841
n3
2.6792291384157E+27
n4
3.7211725651533E+36
n5
5.1683243740166E+45
2 √n37267.904703645
3 √n1115.7236806956
4 √n193.04896970366
5 √n67.380462944377
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
1388896722 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
694448361 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
37267.904717062 Returns the nth root of the product of n divisors
H Harmonic Mean
1.99999999856 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1388896721 can be divided by 2 positive divisors.
The sum of these divisors (counting 1388896721) is 1388896722, the average is 694448361.
Base
System
Value
2
Binary
1010010110010001110000111010001
3
Ternary
10120210110021010022
4
Quaternary
1102302032013101
5
Quinary
10321024143341
6
Senary
345452513225
8
Octal
12262160721
10
Decimal
1388896721
12
Duodecimal
32917b815
16
Hexadecimal
52c8e1d1
20
Vigesimal
11e0c1g1
36
Base36
mywvkh
md5
ddb0c40088767ffa4e3c0b739e02c3d0
sha1
f3a3ccb1c502b83a3677e53d63f3d75538091d97
sha256
26239be59a5eb6192359c75130c7dadde8c4a07864f2189871b56372dfaeece3
sha512
d3983c1dd09677577094b6fbfe64ae10dfc5d3fc4ce5de768a7202d164114747458d0d74568ff436a60a6dca62cbf23cb844135cf61f5930f3a156b49d971798
ripemd-160
810b306be75c7ef421fe472722fc0c35f7fee540
Diameter
2777793442
Circumference
8726695470.5771
Area
6.060239362125E+18
Volume
1.1222728771374E+28
Surface area
2.42409574485E+19
Circumference
8726695470.5771
Perimeter
5555586884
Area
1929034101604551841
Diagonal
1964196579.5737
Surface area
1.1574204609627E+19
Volume
2.6792291384157E+27
Space diagonal
2405639687.2378
Perimeter
4166690163
Area
8.3529626837802E+17
Altitude
1202819843.6189
Surface area
8.3529626837802E+17
Volume
3.1575018202106E+26
Height
654732193.19124