2145431385 is an odd 10-digits composite number following 2145431384
and preceding 2145431386 . In scientific notation, it is written as 2.145431385 × 10^9.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 1144230048 positive integers (up to 2145431385) that are relatively prime to 2145431385.
2145431385 has 4 divisors, whose sum is 2193107684
The reverse of 2145431385 is 5831345412
Previous prime number is 45
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 36
Digital Root 9
Name
two billion one hundred forty-five million four hundred thirty-one thousand three hundred eighty-five
Scientific notation
2.145431385 × 10^9
Engineering notation
2.145431385 × 10^9
Prime Factorization
45 × 47676253
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2145431385
Product of the distinct prime numbers
The prime factorization of 2145431385 is 45 × 47676253.
Since it has a total of 2 prime factors.
4 , 3 , 87 , 56 , 308 , 376 , 5575 , 3339 , 66650 , 33122 , 907063 , 742708 , 8509223 , 912850 , 65681361 , 30045026 , 373703709 , 693784534 , 5976341612 , 942999916
n×2
4290862770
n×3
6436294155
n×4
8581725540
n×5
10727156925
n÷2
1072715692.5
n÷3
715143795
n÷3
536357846.25
n÷5
429086277
n2
4602875827743018225
n3
9.8751542620977E+27
n4
2.1186465885621E+37
n5
4.5454108848243E+46
2 √n
46318.801636053
3 √n
1289.748039848
4 √n
215.21803278548
5 √n
73.502637960872
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
-2145431384
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 2145431385 can be divided by 4 positive divisors.
The sum of these divisors (counting 2145431385) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111111111000001010111101011001
3
Ternary
12112112000012120200
4
Quaternary
1333320022331121
5
Quinary
13343212301020
6
Senary
552520012413
8
Octal
17770127531
10
Decimal
2145431385
12
Duodecimal
4ba601109
16
Hexadecimal
7fe0af59
20
Vigesimal
1da8ii95
36
Base36
zhc1g9
md5
dd6f9a01686febb90d409f5cc5c6232e
sha1
27395eb408b0665f2cb714882496a668b68e5028
sha256
24554f0b8c9de6bcb799df6e3fd10b1df29845ee5214028ee8f5b63ab6ea996a
sha512
4b2483592c49f86ef741f38a4b66bbbcc2b822253ea214faca5d68801214b327319e69b8f03041c9df9636c3418ed7e3482e59f7d268c0733f4c83034f1de6f5
ripemd-160
8fbeb3405c2cca17edab7a3ff91aaaba343362d4
Diameter
4290862770
Circumference
13480142955.794
Area
1.4460360885824E+19
Volume
4.136494944383E+28
Surface area
5.7841443543294E+19
Circumference
13480142955.794
Perimeter
8581725540
Area
4602875827743018225
Diagonal
3034098161.8079
Surface area
2.7617254966458E+19
Volume
9.8751542620977E+27
Space diagonal
3715996162.9729
Perimeter
6436294155
Area
1.9931036986454E+18
Altitude
1857998081.4864
Surface area
1.9931036986454E+18
Volume
1.1637980906654E+27
Height
1011366053.936