187996945 is an odd 9-digits composite number following 187996944
and preceding 187996946 . In scientific notation, it is written as 1.87996945 × 10^8.
The sum of its digits is 58. It has a total of 4 prime factors and 12 positive divisors.
There are 147188960 positive integers (up to 187996945) that are relatively prime to 187996945.
187996945 has 12 divisors, whose sum is 230511924
The reverse of 187996945 is 549699781
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 58
Digital Root 4
Name
one hundred eighty-seven million nine hundred ninety-six thousand nine hundred forty-five
Scientific notation
1.87996945 × 10^8
Engineering notation
1.87996945 × 10^6
Prime Factorization
5 × 47 × 47 × 17021
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3999935
Product of the distinct prime numbers
The prime factorization of 187996945 is 5 × 47 × 47 × 17021.
Since it has a total of 4 prime factors.
4 , 7 , 86 , 24 , 2 , 479 , 5743 , 2768 , 81943 , 92981 , 915005 , 679286 , 6161137 , 8570030 , 96966990 , 34503955 , 798349465 , 240884480 , 901911364 , 5399696807
n×2
375993890
n×3
563990835
n×4
751987780
n×5
939984725
n÷2
93998472.5
n÷3
62665648.333333
n÷3
46999236.25
n÷5
37599389
n2
35342851329333025
n3
6.6443480775038E+24
n4
1.2491171400873E+33
n5
2.3483020628356E+41
2 √n
13711.197795962
3 √n
572.86232856035
4 √n
117.09482395034
5 √n
45.167926946298
1 , 5 , 47 , 235 , 2209 , 11045 , 17021 , 85105 , 799987 , 3999935 , 37599389 , 187996945
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-187996944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 187996945 can be divided by 12 positive divisors.
The sum of these divisors (counting 187996945) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1011001101001001101100010001
3
Ternary
111002202020022211
4
Quaternary
23031021230101
5
Quinary
341111400240
6
Senary
30353232121
8
Octal
1315115421
10
Decimal
187996945
12
Duodecimal
52b62641
16
Hexadecimal
b349b11
20
Vigesimal
2iejc75
36
Base36
33xfdd
md5
d705a0eb685d1dc9588fd24467ed5d6f
sha1
950530ab0d6206c004f53986cb6644f60344564c
sha256
77d114bf70a48085177cb6b020f6be0ed4a0d064908e5ace4f168b31bf16ca6e
sha512
47d9121891fadd5e2adfb64614725550ec4bf524b27449f0e9ab1850b34d1326f9d441c6affffccb80116ae41e010bb68715ed85de613ed3d1fa5db6216f6e87
ripemd-160
44516207f68f95635f935524db3b6f94507d6591
Diameter
375993890
Circumference
1181219642.6186
Area
1.1103284209315E+17
Volume
2.7831780144239E+25
Surface area
4.441313683726E+17
Circumference
1181219642.6186
Perimeter
751987780
Area
35342851329333025
Diagonal
265867829.30371
Surface area
212057107975998150
Volume
6.6443480775038E+24
Space diagonal
325620260.40773
Perimeter
563990835
Area
1.530390354669E+16
Altitude
162810130.20387
Surface area
1.530390354669E+16
Volume
7.8304393036112E+23
Height
88622609.767903