2149444987 is an odd 10-digits composite number following 2149444986
and preceding 2149444988 . In scientific notation, it is written as 2.149444987 × 10^9.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 2117673480 positive integers (up to 2149444987) that are relatively prime to 2149444987.
2149444987 has 8 divisors, whose sum is 2181453120
The reverse of 2149444987 is 7894449412
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 52
Digital Root 7
Name
two billion one hundred forty-nine million four hundred forty-four thousand nine hundred eighty-seven
Scientific notation
2.149444987 × 10^9
Engineering notation
2.149444987 × 10^9
Prime Factorization
131 × 139 × 118043
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2149444987
Product of the distinct prime numbers
The prime factorization of 2149444987 is 131 × 139 × 118043.
Since it has a total of 3 prime factors.
3 , 1 , 96 , 24 , 807 , 961 , 6186 , 9536 , 41954 , 63499 , 476249 , 81761 , 4044844 , 9888990 , 48721577 , 99516350 , 416999842 , 254029667 , 4934843966 , 8397079072
n×2
4298889974
n×3
6448334961
n×4
8597779948
n×5
10747224935
n÷2
1074722493.5
n÷3
716481662.33333
n÷3
537361246.75
n÷5
429888997.4
n2
4620113752139430169
n3
9.9306803439059E+27
n4
2.1345451082708E+37
n5
4.588087282498E+46
2 √n
46362.107232092
3 √n
1290.5518114762
4 √n
215.31861794116
5 √n
73.530118664848
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2149444986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2149444987 can be divided by 8 positive divisors.
The sum of these divisors (counting 2149444987) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000000111011110110101111011
3
Ternary
12112210120010012121
4
Quaternary
2000013132311323
5
Quinary
13400224214422
6
Senary
553142022111
8
Octal
20007366573
10
Decimal
2149444987
12
Duodecimal
4bba17937
16
Hexadecimal
801ded7b
20
Vigesimal
1dbe0c97
36
Base36
zjq2d7
md5
495097bd7018f2a6a0768dd6ddccdf43
sha1
1d9ef7d654c8520e9d502029b4114e6163ab3cd6
sha256
8e0a5cd05dae00f96e6ef1caca8a40bf3ad1af365e7c8272574084f036833e59
sha512
cc577d24a5279a3c91fc6a22e3abe6639a870f7d270a6e959d10069ca033bca71a86e74f3080480538ae828d558381d2ef035b90fca7d6b914afa268e27e178e
ripemd-160
089b200d528776054c5dc165876fd8eb01b0739c
Diameter
4298889974
Circumference
13505361160.909
Area
1.451451542247E+19
Volume
4.1597536551418E+28
Surface area
5.8058061689882E+19
Circumference
13505361160.909
Perimeter
8597779948
Area
4620113752139430169
Diagonal
3039774252.1903
Surface area
2.7720682512837E+19
Volume
9.9306803439059E+27
Space diagonal
3722947925.5582
Perimeter
6448334961
Area
2.0005679388633E+18
Altitude
1861473962.7791
Surface area
2.0005679388633E+18
Volume
1.170341902162E+27
Height
1013258084.0634