1387912 is an even 7-digits composite number following 1387911
and preceding 1387913 . In scientific notation, it is written as 1.387912 × 10^6.
The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors.
There are 627264 positive integers (up to 1387912) that are relatively prime to 1387912.
1387912 has 32 divisors, whose sum is 2865600
The reverse of 1387912 is 2197831
Previous prime number is 23
Is Prime? no
Number parity even
Number length 7
Sum of Digits 31
Digital Root 4
Name
one million three hundred eighty-seven thousand nine hundred twelve
Scientific notation
1.387912 × 10^6
Engineering notation
1.387912 × 10^6
Prime Factorization
2 × 2 × 2 × 19 × 23 × 397
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
346978
Product of the distinct prime numbers
The prime factorization of 1387912 is 2 × 2 × 2 × 19 × 23 × 397.
Since it has a total of 6 prime factors.
8 , 2 , 91 , 75 , 586 , 112 , 7457 , 7420 , 17332 , 18961 , 721414 , 462329 , 5956438 , 5267352 , 11023578 , 8601450 , 225061096 , 295581920 , 5657186800 , 7804238363
n×2
2775824
n×3
4163736
n×4
5551648
n×5
6939560
n÷2
693956
n÷3
462637.33333333
n÷3
346978
n÷5
277582.4
n2
1926299719744
n3
2673534496629334528
n4
3.7106306102858E+24
n5
5.150028751583E+30
2 √n
1178.0967702188
3 √n
111.54599374726
4 √n
34.323414314704
5 √n
16.922806403114
1 , 2 , 4 , 8 , 19 , 23 , 38 , 46 , 76 , 92 , 152 , 184 , 397 , 437 , 794 , 874 , 1588 , 1748 , 3176 , 3496 , 7543 , 9131 , 15086 , 18262 , 30172 , 36524 , 60344 , 73048 , 173489 , 346978 , 693956 , 1387912
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
-1387911
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 1387912 can be divided by 32 positive divisors.
The sum of these divisors (counting 1387912) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101010010110110001000
3
Ternary
2121111212011
4
Quaternary
11102312020
5
Quinary
323403122
6
Senary
45425304
8
Octal
5226610
10
Decimal
1387912
12
Duodecimal
56b234
16
Hexadecimal
152d88
20
Vigesimal
8d9fc
36
Base36
tqx4
md5
1744f3ce963b8089904bdac19d7d0ca5
sha1
11365854f4acb63afe7b5ff6d167d69478e8ffe2
sha256
11af5a2ac9ecc2719ad5b8f6ba931967e5722aa0d3bc62323eedd5d81e63cb3e
sha512
ba680fb18898ee7a040d235573c213db281f18d8b65ede649d1eea3c1fee363871e37480d138240f30e671be8235ad2230b00c8a6b068b0bc8c5e7dccd81c2f8
ripemd-160
85442923f15d0f291000d9589089ce277693154c
Diameter
2775824
Circumference
8720508.2860582
Area
6051649048159.8
Volume
1.1198875111639E+19
Surface area
24206596192639
Circumference
8720508.2860582
Perimeter
5551648
Area
1926299719744
Diagonal
1962803.9737804
Surface area
11557798318464
Volume
2673534496629334528
Space diagonal
2403934.1004345
Perimeter
4163736
Area
834112246300.57
Altitude
1201967.0502173
Surface area
834112246300.57
Volume
3.1507906205046E+17
Height
654267.99126012