1994193487 is an odd 10-digits composite number following 1994193486
and preceding 1994193488 . In scientific notation, it is written as 1.994193487 × 10^9.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 1650516480 positive integers (up to 1994193487) that are relatively prime to 1994193487.
1994193487 has 16 divisors, whose sum is 2374934688
The reverse of 1994193487 is 7843914991
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion nine hundred ninety-four million one hundred ninety-three thousand four hundred eighty-seven
Scientific notation
1.994193487 × 10^9
Engineering notation
1.994193487 × 10^9
Prime Factorization
13 × 11 × 73 × 191033
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1994193487
Product of the distinct prime numbers
The prime factorization of 1994193487 is 13 × 11 × 73 × 191033.
Since it has a total of 4 prime factors.
7 , 9 , 53 , 48 , 475 , 285 , 2824 , 9960 , 38318 , 68420 , 675764 , 900877 , 7845906 , 9414218 , 90758115 , 76719969 , 964017174 , 515522193 , 2900620746 , 5612649941
n×2
3988386974
n×3
5982580461
n×4
7976773948
n×5
9970967435
n÷2
997096743.5
n÷3
664731162.33333
n÷3
498548371.75
n÷5
398838697.4
n2
3976807663593219169
n3
7.9305239417893E+27
n4
1.5814999193214E+37
n5
3.1538168388017E+46
2 √n
44656.393573597
3 √n
1258.7005766903
4 √n
211.32059429596
5 √n
72.435832984317
1 , 11 , 13 , 73 , 143 , 803 , 949 , 10439 , 191033 , 2101363 , 2483429 , 13945409 , 27317719 , 153399499 , 181290317 , 1994193487
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1994193486
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1994193487 can be divided by 16 positive divisors.
The sum of these divisors (counting 1994193487) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110110111001111101001001111
3
Ternary
12010222102112012001
4
Quaternary
1312313033221033
5
Quinary
13041003142422
6
Senary
525514253131
8
Octal
16667175117
10
Decimal
1994193487
12
Duodecimal
477a271a7
16
Hexadecimal
76dcfa4f
20
Vigesimal
1b33e3e7
36
Base36
wzahjj
md5
7f6bcc92000799431fe89dc341d4f91e
sha1
99e1081adfd14abf16050dc2bc9d7a4ded33a0b9
sha256
6befd046a520652e8f29290681d3b2afd50be679b97f07b033e1678da55cef13
sha512
68eaa7a78d9152a9cc16f56c06fc0d1a5ead94b14ac27858b07631d4d4be505514d78f68953db2a8216b6b0a67a878fadc07303dd9f46a93de0322a67aef51ce
ripemd-160
f8a47a62a1a66bbd42505d2d8ce1a79365011c0a
Diameter
3988386974
Circumference
12529887217.192
Area
1.2493509740684E+19
Volume
3.3219301006191E+28
Surface area
4.9974038962736E+19
Circumference
12529887217.192
Perimeter
7976773948
Area
3976807663593219169
Diagonal
2820215475.3115
Surface area
2.3860845981559E+19
Volume
7.9305239417893E+27
Space diagonal
3454044439.6069
Perimeter
5982580461
Area
1.7220082313182E+18
Altitude
1727022219.8035
Surface area
1.7220082313182E+18
Volume
9.3462120960025E+26
Height
940071825.10383