1387904 is an even 7-digits composite number following 1387903
and preceding 1387905 . In scientific notation, it is written as 1.387904 × 10^6.
The sum of its digits is 32. It has a total of 9 prime factors and 32 positive divisors.
There are 594432 positive integers (up to 1387904) that are relatively prime to 1387904.
1387904 has 32 divisors, whose sum is 3162000
The reverse of 1387904 is 4097831
Previous prime number is 7
Is Prime? no
Number parity even
Number length 7
Sum of Digits 32
Digital Root 5
Name
one million three hundred eighty-seven thousand nine hundred four
Scientific notation
1.387904 × 10^6
Engineering notation
1.387904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 1549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
9
Total number of prime factors
rad
Radical
21686
Product of the distinct prime numbers
The prime factorization of 1387904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 1549.
Since it has a total of 9 prime factors.
1 , 5 , 50 , 62 , 953 , 396 , 8190 , 3294 , 82886 , 64198 , 230379 , 670790 , 5660718 , 4911675 , 59689239 , 55175155 , 94991568 , 75432217 , 1769551340 , 6576386661
n×2
2775808
n×3
4163712
n×4
5551616
n×5
6939520
n÷2
693952
n÷3
462634.66666667
n÷3
346976
n÷5
277580.8
n2
1926277513216
n3
2673488265702539264
n4
3.7105450579216E+24
n5
5.1498803280696E+30
2 √n
1178.0933749071
3 √n
111.5457794278
4 √n
34.323364854092
5 √n
16.922786894274
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 32 , 56 , 64 , 112 , 128 , 224 , 448 , 896 , 1549 , 3098 , 6196 , 10843 , 12392 , 21686 , 24784 , 43372 , 49568 , 86744 , 99136 , 173488 , 198272 , 346976 , 693952 , 1387904
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1387903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1387904 can be divided by 32 positive divisors.
The sum of these divisors (counting 1387904) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101010010110110000000
3
Ternary
2121111211212
4
Quaternary
11102312000
5
Quinary
323403104
6
Senary
45425252
8
Octal
5226600
10
Decimal
1387904
12
Duodecimal
56b228
16
Hexadecimal
152d80
20
Vigesimal
8d9f4
36
Base36
tqww
md5
ed84ec6ff29330482f8052d4391bacbf
sha1
6253540edd5e1f29ff418089493650b878783859
sha256
4cb71ff684622c156ee9aa15cf6d02fa4dfbca36f82c68bcf2f7bf883193309a
sha512
1da99cc0d5b342d84a9a5bf3edc0147141c4835df8358dba50afbad4c39c3d46c0372d89e3c172fa89ee9734a5a146d989560e97913145899b5e087463928da3
ripemd-160
c522e356eeae31d1bbf07ffebd9dc553942f5659
Diameter
2775808
Circumference
8720458.0205758
Area
6051579284294.6
Volume
1.1198681459986E+19
Surface area
24206317137178
Circumference
8720458.0205758
Perimeter
5551616
Area
1926277513216
Diagonal
1962792.6600719
Surface area
11557665079296
Volume
2673488265702539264
Space diagonal
2403920.2440281
Perimeter
4163712
Area
834102630591.89
Altitude
1201960.122014
Surface area
834102630591.89
Volume
3.1507361368349E+17
Height
654264.22002396