1397938691 is an odd 10-digits composite number following 1397938690
and preceding 1397938692 . In scientific notation, it is written as 1.397938691 × 10^9.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 1397863800 positive integers (up to 1397938691) that are relatively prime to 1397938691.
1397938691 has 4 divisors, whose sum is 1398013584
The reverse of 1397938691 is 1968397931
Previous prime number is 35381
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion three hundred ninety-seven million nine hundred thirty-eight thousand six hundred ninety-one
Scientific notation
1.397938691 × 10^9
Engineering notation
1.397938691 × 10^9
Prime Factorization
35381 × 39511
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1397938691
Product of the distinct prime numbers
The prime factorization of 1397938691 is 35381 × 39511.
Since it has a total of 2 prime factors.
4 , 2 , 50 , 48 , 111 , 328 , 4801 , 1370 , 54955 , 60703 , 384484 , 660820 , 3427751 , 8116703 , 83383853 , 75898654 , 841425183 , 932792018 , 8966873558 , 5782223965
n×2
2795877382
n×3
4193816073
n×4
5591754764
n×5
6989693455
n÷2
698969345.5
n÷3
465979563.66667
n÷3
349484672.75
n÷5
279587738.2
n2
1954232583794793481
n3
2.7318973400996E+27
n4
3.8190249915653E+36
n5
5.338762797605E+45
2 √n
37389.018320892
3 √n
1118.1396334504
4 √n
193.36240151822
5 √n
67.46796718391
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
-1397938690
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 1397938691 can be divided by 4 positive divisors.
The sum of these divisors (counting 1397938691) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011010100101101101000000011
3
Ternary
10121102110122101002
4
Quaternary
1103110231220003
5
Quinary
10330333014231
6
Senary
350414402215
8
Octal
12324555003
10
Decimal
1397938691
12
Duodecimal
33020036b
16
Hexadecimal
5352da03
20
Vigesimal
11gh26eb
36
Base36
n4aoeb
md5
be4a7b3b84935ed6f8842efc6aaf45c8
sha1
f0fc44c79a0bc01f0299353f99c8e3b09a7d4fda
sha256
a6093dfc67c8fa5e78bfd115e6a78adc44c93afd037cfa5fb61de57eecee3354
sha512
a681e2b05dbd4b7df97244ff3cc76482b290e1732cba71e4e3f3de6ed53ebb7d49ba1321b51a83d489cf56c7e589cb5a4acf677bcbba47472c52c3f08fb4dd83
ripemd-160
c7c99e0bb3d694b727fd63e700a91427115ec093
Diameter
2795877382
Circumference
8783507843.6291
Area
6.1394027286555E+18
Volume
1.1443344818691E+28
Surface area
2.4557610914622E+19
Circumference
8783507843.6291
Perimeter
5591754764
Area
1954232583794793481
Diagonal
1976983856.1783
Surface area
1.1725395502769E+19
Volume
2.7318973400996E+27
Space diagonal
2421300838.6783
Perimeter
4193816073
Area
8.462075312348E+17
Altitude
1210650419.3392
Surface area
8.462075312348E+17
Volume
3.2195718911499E+26
Height
658994618.7261