1994991631 is an odd 10-digits composite number following 1994991630
and preceding 1994991632 . In scientific notation, it is written as 1.994991631 × 10^9.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 1994885064 positive integers (up to 1994991631) that are relatively prime to 1994991631.
1994991631 has 4 divisors, whose sum is 1995098200
The reverse of 1994991631 is 1361994991
Previous prime number is 24229
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion nine hundred ninety-four million nine hundred ninety-one thousand six hundred thirty-one
Scientific notation
1.994991631 × 10^9
Engineering notation
1.994991631 × 10^9
Prime Factorization
24229 × 82339
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1994991631
Product of the distinct prime numbers
The prime factorization of 1994991631 is 24229 × 82339.
Since it has a total of 2 prime factors.
4 , 9 , 32 , 51 , 521 , 896 , 7052 , 9737 , 83725 , 19538 , 491821 , 223967 , 8486497 , 2206801 , 11281629 , 81902167 , 442359734 , 750622538 , 7716646722 , 3141730610
n×2
3989983262
n×3
5984974893
n×4
7979966524
n×5
9974958155
n÷2
997495815.5
n÷3
664997210.33333
n÷3
498747907.75
n÷5
398998326.2
n2
3979991607760040161
n3
7.9400499489315E+27
n4
1.584033319784E+37
n5
3.1601332161943E+46
2 √n
44665.329182712
3 √n
1258.8684792068
4 √n
211.34173554391
5 √n
72.441630312649
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
-1994991630
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 1994991631 can be divided by 4 positive divisors.
The sum of these divisors (counting 1994991631) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110111010010010100000001111
3
Ternary
12011000221002000221
4
Quaternary
1312322102200033
5
Quinary
13041204213011
6
Senary
525543332211
8
Octal
16672224017
10
Decimal
1994991631
12
Duodecimal
478151067
16
Hexadecimal
76e9280f
20
Vigesimal
1b38dj1b
36
Base36
wzrle7
md5
9e51f8871febe3ab3e9a329fe6b564eb
sha1
227c5bec77570357901dc605281199bd2bb62dfd
sha256
85592dd0f56d3ae6b5d9863cc62f8186f8e676025fffb45d6d4bf9184cf9f03f
sha512
4a059f75249f24c5fe41151159ebfee7d3fea3f2e6539ce8bed610b3bc5d831eef2d960eaa441786432d26be24c2b300a208132c58660775622c26e279c5b2dd
ripemd-160
9d00198719698ac40a908e7bc8401481a1c0988d
Diameter
3989983262
Circumference
12534902103.845
Area
1.2503512396288E+19
Volume
3.3259203451599E+28
Surface area
5.0014049585152E+19
Circumference
12534902103.845
Perimeter
7979966524
Area
3979991607760040161
Diagonal
2821344221.381
Surface area
2.387994964656E+19
Volume
7.9400499489315E+27
Space diagonal
3455426865.5667
Perimeter
5984974893
Area
1.7233869195845E+18
Altitude
1727713432.7834
Surface area
1.7233869195845E+18
Volume
9.3574386030823E+26
Height
940448073.79367