188210985 is an odd 9-digits composite number following 188210984
and preceding 188210986 . In scientific notation, it is written as 1.88210985 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 100379184 positive integers (up to 188210985) that are relatively prime to 188210985.
188210985 has 4 divisors, whose sum is 200758400
The reverse of 188210985 is 589012881
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred eighty-eight million two hundred ten thousand nine hundred eighty-five
Scientific notation
1.88210985 × 10^8
Engineering notation
1.88210985 × 10^6
Prime Factorization
15 × 12547399
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
188210985
Product of the distinct prime numbers
The prime factorization of 188210985 is 15 × 12547399.
Since it has a total of 2 prime factors.
3 , 9 , 28 , 34 , 725 , 378 , 7515 , 3820 , 41670 , 4685 , 408615 , 633558 , 3121926 , 4654038 , 90889368 , 49718591 , 710087997 , 666996536 , 5682725300 , 2775364131
n×2
376421970
n×3
564632955
n×4
752843940
n×5
941054925
n÷2
94105492.5
n÷3
62736995
n÷3
47052746.25
n÷5
37642197
n2
35423374874670225
n3
6.6670682771859E+24
n4
1.2548154875114E+33
n5
2.3617005889778E+41
2 √n
13719.000874699
3 √n
573.07965292247
4 √n
117.12813869732
5 √n
45.178207265785
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
-188210984
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 188210985 can be divided by 4 positive divisors.
The sum of these divisors (counting 188210985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011001101111101111100101001
3
Ternary
111010011002221020
4
Quaternary
23031331330221
5
Quinary
341140222420
6
Senary
30402003053
8
Octal
1315757451
10
Decimal
188210985
12
Duodecimal
53046489
16
Hexadecimal
b37df29
20
Vigesimal
2ig6795
36
Base36
3420ix
md5
202e35d81c2898bc61706528adfe87d2
sha1
0221ede0f6bf6eeac5e4a570d2ed8e10d566dc5c
sha256
29c6f36ac20c4251b5736d1982a641d53a7d9b1e4c38b96cad65ac367291f174
sha512
1f8222ddfd05b106e94f23332621ab0a9701f1942cce79c44768063721c6e68b2613a855820e6158797d84f78c29fe21ac97e0e6a36df846a61e386dde5a1243
ripemd-160
55a47c1136ef3de08490fe2ede3d6bc7166f944c
Diameter
376421970
Circumference
1182564495.6018
Area
1.1128581427162E+17
Volume
2.7926950294119E+25
Surface area
4.4514325708648E+17
Circumference
1182564495.6018
Perimeter
752843940
Area
35423374874670225
Diagonal
266170527.5746
Surface area
212540249248021350
Volume
6.6670682771859E+24
Space diagonal
325990988.56258
Perimeter
564632955
Area
1.5338771264622E+16
Altitude
162995494.28129
Surface area
1.5338771264622E+16
Volume
7.8572153157198E+23
Height
88723509.191533