1389497621 is an odd 10-digits composite number following 1389497620
and preceding 1389497622 . In scientific notation, it is written as 1.389497621 × 10^9.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 1380295500 positive integers (up to 1389497621) that are relatively prime to 1389497621.
1389497621 has 4 divisors, whose sum is 1398699744
The reverse of 1389497621 is 1267949831
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion three hundred eighty-nine million four hundred ninety-seven thousand six hundred twenty-one
Scientific notation
1.389497621 × 10^9
Engineering notation
1.389497621 × 10^9
Prime Factorization
151 × 9201971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1389497621
Product of the distinct prime numbers
The prime factorization of 1389497621 is 151 × 9201971.
Since it has a total of 2 prime factors.
7 , 10 , 30 , 74 , 606 , 204 , 7544 , 7656 , 75804 , 61452 , 10364 , 454711 , 1118841 , 2594415 , 25874289 , 50915710 , 162776817 , 768244144 , 6580741758 , 4139180489
n×2
2778995242
n×3
4168492863
n×4
5557990484
n×5
6947488105
n÷2
694748810.5
n÷3
463165873.66667
n÷3
347374405.25
n÷5
277899524.2
n2
1930703638764659641
n3
2.6827081129195E+27
n4
3.7276165407391E+36
n5
5.1795143153572E+45
2 √n
37275.965728603
3 √n
1115.8845617953
4 √n
193.06984676174
5 √n
67.386292307273
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
-1389497620
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 1389497621 can be divided by 4 positive divisors.
The sum of these divisors (counting 1389497621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110100100000110100010101
3
Ternary
10120211120210101212
4
Quaternary
1102310200310111
5
Quinary
10321202410441
6
Senary
345513431205
8
Octal
12264406425
10
Decimal
1389497621
12
Duodecimal
32940b505
16
Hexadecimal
52d20d15
20
Vigesimal
11e47411
36
Base36
mz9r85
md5
52c880c2650617e345b5ac24aa4254b2
sha1
f12bb639e31001537a1181287ab5c3badf1a6f32
sha256
02b456289e2f5df05362280eff21dda1181144486097ae6f353921c64fda5981
sha512
a081ce99a3d213bf6ae6d9308333424961393f3f5588f461adcad91a70e5e457adacc07c726bd287dbd31a48f8b2df6f45cb82c1e60171683efaa18d03cb460c
ripemd-160
b802cbfa232919656f0ad3b7b94f07159a20b248
Diameter
2778995242
Circumference
8730471036.6282
Area
6.0654843678021E+18
Volume
1.1237301465698E+28
Surface area
2.4261937471209E+19
Circumference
8730471036.6282
Perimeter
5557990484
Area
1930703638764659641
Diagonal
1965046380.5034
Surface area
1.1584221832588E+19
Volume
2.6827081129195E+27
Space diagonal
2406680476.5681
Perimeter
4168492863
Area
8.3601919917462E+17
Altitude
1203340238.284
Surface area
8.3601919917462E+17
Volume
3.1616018309826E+26
Height
655015460.16778