1387949 is an odd 7-digits composite number following 1387948
and preceding 1387950 . In scientific notation, it is written as 1.387949 × 10^6.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 1368864 positive integers (up to 1387949) that are relatively prime to 1387949.
1387949 has 4 divisors, whose sum is 1407036
The reverse of 1387949 is 9497831
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 41
Digital Root 5
Name
one million three hundred eighty-seven thousand nine hundred forty-nine
Scientific notation
1.387949 × 10^6
Engineering notation
1.387949 × 10^6
Prime Factorization
73 × 19013
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1387949
Product of the distinct prime numbers
The prime factorization of 1387949 is 73 × 19013.
Since it has a total of 2 prime factors.
4 , 5 , 74 , 32 , 942 , 765 , 2733 , 6642 , 81942 , 65021 , 390187 , 724316 , 9468591 , 6133083 , 99213720 , 11493022 , 776090554 , 833547065 , 496732639 , 1992268669
n×2
2775898
n×3
4163847
n×4
5551796
n×5
6939745
n÷2
693974.5
n÷3
462649.66666667
n÷3
346987.25
n÷5
277589.8
n2
1926402426601
n3
2673748321598431349
n4
3.7110263092142E+24
n5
5.1507152548476E+30
2 √n
1178.1124734082
3 √n
111.54698496406
4 √n
34.323643067253
5 √n
16.922896630327
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
-1387948
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 1387949 can be divided by 4 positive divisors.
The sum of these divisors (counting 1387949) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010010110110101101
3
Ternary
2121111220112
4
Quaternary
11102312231
5
Quinary
323403244
6
Senary
45425405
8
Octal
5226655
10
Decimal
1387949
12
Duodecimal
56b265
16
Hexadecimal
152dad
20
Vigesimal
8d9h9
36
Base36
tqy5
md5
1f01b4af480713d9124a95866c3ae083
sha1
4dd83588bafe4434127e8d0afb24795d8e3c47fc
sha256
b0d7255f8b5532746a6dbd9d631f16a66d21e9d11b213f8f5cf69cee17216f48
sha512
6b513e604b3932c2a8184db42b586e2d7be64ae950679631ec809be9080fb1302597d1df644b5f252f1e78775d603478c4c838fe653525ee90c995dfcad3684e
ripemd-160
8b127f0c63f906ea72b052a5b333919ef4d1cbf1
Diameter
2775898
Circumference
8720740.7639146
Area
6051971711267.3
Volume
1.1199770779576E+19
Surface area
24207886845069
Circumference
8720740.7639146
Perimeter
5551796
Area
1926402426601
Diagonal
1962856.2996822
Surface area
11558414559606
Volume
2673748321598431349
Space diagonal
2403998.1863144
Perimeter
4163847
Area
834156719674.23
Altitude
1201999.0931572
Surface area
834156719674.23
Volume
3.1510426156473E+17
Height
654285.43322739