1387960915 is an odd 10-digits composite number following 1387960914
and preceding 1387960916 . In scientific notation, it is written as 1.387960915 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 1009426080 positive integers (up to 1387960915) that are relatively prime to 1387960915.
1387960915 has 8 divisors, whose sum is 1816967088
The reverse of 1387960915 is 5190697831
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion three hundred eighty-seven million nine hundred sixty thousand nine hundred fifteen
Scientific notation
1.387960915 × 10^9
Engineering notation
1.387960915 × 10^9
Prime Factorization
11 × 5 × 25235653
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1387960915
Product of the distinct prime numbers
The prime factorization of 1387960915 is 11 × 5 × 25235653.
Since it has a total of 3 prime factors.
1 , 2 , 3 , 62 , 640 , 958 , 7495 , 165 , 28705 , 68473 , 58056 , 803484 , 9931238 , 2907094 , 47479065 , 90254490 , 606610126 , 354951935 , 2571660487 , 4116440648
n×2
2775921830
n×3
4163882745
n×4
5551843660
n×5
6939804575
n÷2
693980457.5
n÷3
462653638.33333
n÷3
346990228.75
n÷5
277592183
n2
1926435501567637225
n3
2.6738171814443E+27
n4
3.7111537417002E+36
n5
5.1509363430358E+45
2 √n
37255.347468518
3 √n
1115.4730415892
4 √n
193.01644351847
5 √n
67.37138062149
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
-1387960914
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 1387960915 can be divided by 8 positive divisors.
The sum of these divisors (counting 1387960915) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101110101001101001010011
3
Ternary
10120201200201102211
4
Quaternary
1102232221221103
5
Quinary
10320304222130
6
Senary
345420452551
8
Octal
12256515123
10
Decimal
1387960915
12
Duodecimal
3289aa157
16
Hexadecimal
52ba9a53
20
Vigesimal
11def25f
36
Base36
mycthv
md5
b09a1d488f4454812e443789f5dfaa72
sha1
b95d04d5b8aee5fbc9e0e1ef5611fbffebaec073
sha256
9d2896b9af26c6589bfc5c11d850806d545f681c1b7743c7500afe6b0ea095e9
sha512
77b6a79550d32486ba95e3cd7123c390fe57bca3824b360c275d01750af086f9ca97b6f17131cb64294580a917f6a214d04105a78b0db4116ed5e1c8a8fdcad8
ripemd-160
7efa50dd700939316b28b4fac77bd1d56598ab76
Diameter
2775921830
Circumference
8720815628.0675
Area
6.0520756193395E+18
Volume
1.1200059219023E+28
Surface area
2.4208302477358E+19
Circumference
8720815628.0675
Perimeter
5551843660
Area
1926435501567637225
Diagonal
1962873150.0368
Surface area
1.1558613009406E+19
Volume
2.6738171814443E+27
Space diagonal
2404018823.6998
Perimeter
4163882745
Area
8.341710415549E+17
Altitude
1202009411.8499
Surface area
8.341710415549E+17
Volume
3.1511237677539E+26
Height
654291050.01226