1381917991 is an odd 10-digits prime number following 1381917990
and preceding 1381917992 . In scientific notation, it is written as 1.381917991 × 10^9.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 1381917990 positive integers (up to 1381917991) that are relatively prime to 1381917991.
1381917991 has 2 divisors, whose sum is 1381917992
The reverse of 1381917991 is 1997191831
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion three hundred eighty-one million nine hundred seventeen thousand nine hundred ninety-one
Scientific notation
1.381917991 × 10^9
Engineering notation
1.381917991 × 10^9
Prime Factorization
1381917991
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1381917991
Product of the distinct prime numbers
The prime factorization of 1381917991 is 1381917991.
Since it has a total of 1 prime factors.
4 , 7 , 49 , 30 , 818 , 320 , 4546 , 4894 , 77393 , 36126 , 115218 , 702982 , 9613700 , 6638907 , 92727919 , 95531453 , 763644081 , 830842336 , 6310161511 , 2101144097
n×2
2763835982
n×3
4145753973
n×4
5527671964
n×5
6909589955
n÷2
690958995.5
n÷3
460639330.33333
n÷3
345479497.75
n÷5
276383598.2
n2
1909697333849476081
n3
2.6390451030113E+27
n4
3.6469439069118E+36
n5
5.0397773971292E+45
2 √n
37174.157569473
3 √n
1113.8518323546
4 √n
192.8060102006
5 √n
67.312613692762
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1381917992
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
690958996
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
37174.157582923
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999985527
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1381917991 can be divided by 2 positive divisors.
The sum of these divisors (counting 1381917991) is 1381917992, the average is 690958996.
Base
System
Value
2
Binary
1010010010111100110010100100111
3
Ternary
10120022022201002211
4
Quaternary
1102113212110213
5
Quinary
10312232333431
6
Senary
345043144251
8
Octal
12227462447
10
Decimal
1381917991
12
Duodecimal
326975087
16
Hexadecimal
525e6527
20
Vigesimal
11bgjejb
36
Base36
muraqv
md5
3dd5b056c2763012e4a938c98bc9a1b3
sha1
5ec6251e8f224fa5ca837f7090b856a0fee22a07
sha256
cc92303c79b4a0120dd433f0d3948cda7840182eb49374f6f51286a3ddeeefd7
sha512
f8e9fd1a3a54ae29a1ceebfc2bf12cefc9216ad1226876d7763ede96fb3e5f06c8903cf68ea74d20e1f4091238aed0bd552f06cd13ff3344cf2314b7eabdc962
ripemd-160
9d63b5cd765deccac64297de6feac131b0e45765
Diameter
2763835982
Circumference
8682846816.7783
Area
5.9994911146015E+18
Volume
1.1054406277483E+28
Surface area
2.3997964458406E+19
Circumference
8682846816.7783
Perimeter
5527671964
Area
1909697333849476081
Diagonal
1954327164.9596
Surface area
1.1458184003097E+19
Volume
2.6390451030113E+27
Space diagonal
2393552172.3055
Perimeter
4145753973
Area
8.2692320232653E+17
Altitude
1196776086.1528
Surface area
8.2692320232653E+17
Volume
3.1101444803274E+26
Height
651442388.31986