1994465487 is an odd 10-digits composite number following 1994465486
and preceding 1994465488 . In scientific notation, it is written as 1.994465487 × 10^9.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 1139694552 positive integers (up to 1994465487) that are relatively prime to 1994465487.
1994465487 has 4 divisors, whose sum is 2089440056
The reverse of 1994465487 is 7845644991
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 57
Digital Root 3
Name
one billion nine hundred ninety-four million four hundred sixty-five thousand four hundred eighty-seven
Scientific notation
1.994465487 × 10^9
Engineering notation
1.994465487 × 10^9
Prime Factorization
21 × 94974547
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1994465487
Product of the distinct prime numbers
The prime factorization of 1994465487 is 21 × 94974547.
Since it has a total of 2 prime factors.
8 , 6 , 61 , 22 , 783 , 6 , 6116 , 5389 , 3519 , 24552 , 440373 , 623397 , 3957204 , 9297480 , 16199045 , 38269239 , 307098861 , 125231012 , 1241694883 , 2758477043
n×2
3988930974
n×3
5983396461
n×4
7977861948
n×5
9972327435
n÷2
997232743.5
n÷3
664821829
n÷3
498616371.75
n÷5
398893097.4
n2
3977892578834147169
n3
7.9337694594781E+27
n4
1.5823629368744E+37
n5
3.1559682655039E+46
2 √n
44659.438946319
3 √n
1258.7578013268
4 √n
211.32779974797
5 √n
72.437808867986
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
-1994465486
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 1994465487 can be divided by 4 positive divisors.
The sum of these divisors (counting 1994465487) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110111000010010000011001111
3
Ternary
12010222221100022010
4
Quaternary
1312320102003033
5
Quinary
13041040343422
6
Senary
525524152303
8
Octal
16670220317
10
Decimal
1994465487
12
Duodecimal
477b38693
16
Hexadecimal
76e120cf
20
Vigesimal
1b3583e7
36
Base36
wzgbf3
md5
3a3d1ec445717eb7535d4ea79ca963a6
sha1
2b13348b256f297634246b9cf9dc3867cbca04cf
sha256
93fa839ea08655a3c8c73a65832843d5e2d1463799df5fd810488737ce0fb5b9
sha512
b280fa452a0fb7a682bd9f7d1ef45221388d1c3ff4c1945892ab04490e462ea3a055c5f561159c8e4a46691ec2ba61850f66e51002d5af9301f892bd70419a2b
ripemd-160
a82df7a2e1f2f94c9d09a2eb77fbb4de4cfb016c
Diameter
3988930974
Circumference
12531596243.595
Area
1.2496918102435E+19
Volume
3.3232895798895E+28
Surface area
4.9987672409739E+19
Circumference
12531596243.595
Perimeter
7977861948
Area
3977892578834147169
Diagonal
2820600141.4005
Surface area
2.3867355473005E+19
Volume
7.9337694594781E+27
Space diagonal
3454515557.4266
Perimeter
5983396461
Area
1.722478013398E+18
Altitude
1727257778.7133
Surface area
1.722478013398E+18
Volume
9.3500369752795E+26
Height
940200047.13349