921489145 is an odd 9-digits composite number following 921489144
and preceding 921489146 . In scientific notation, it is written as 9.21489145 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 719210880 positive integers (up to 921489145) that are relatively prime to 921489145.
921489145 has 8 divisors, whose sum is 1132757640
The reverse of 921489145 is 541984129
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
nine hundred twenty-one million four hundred eighty-nine thousand one hundred forty-five
Scientific notation
9.21489145 × 10^8
Engineering notation
9.21489145 × 10^6
Prime Factorization
5 × 41 × 4495069
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
921489145
Product of the distinct prime numbers
The prime factorization of 921489145 is 5 × 41 × 4495069.
Since it has a total of 3 prime factors.
5 , 2 , 35 , 64 , 389 , 798 , 4086 , 8187 , 2379 , 87682 , 772271 , 551708 , 4155433 , 5021292 , 84829140 , 55337271 , 795491201 , 944943657 , 5414164298 , 3751172148
n×2
1842978290
n×3
2764467435
n×4
3685956580
n×5
4607445725
n÷2
460744572.5
n÷3
307163048.33333
n÷3
230372286.25
n÷5
184297829
n2
849142244352831025
n3
7.8247536073207E+26
n4
7.2104255114456E+35
n5
6.6443288396282E+44
2 √n
30356.039679115
3 √n
973.11329906386
4 √n
174.22984726824
5 √n
62.072329570167
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
-921489144
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 921489145 can be divided by 8 positive divisors.
The sum of these divisors (counting 921489145) is 1, the average is 0.125.
Base
System
Value
2
Binary
110110111011001100111011111001
3
Ternary
2101012221111110121
4
Quaternary
312323030323321
5
Quinary
3341400123040
6
Senary
231234413241
8
Octal
6673147371
10
Decimal
921489145
12
Duodecimal
218731221
16
Hexadecimal
36eccef9
20
Vigesimal
e7j62h5
36
Base36
f8mpkp
md5
5c9e97fdf18aa20be65179a223fd9afe
sha1
e8050ee40c2491afa9ec80b9c1de3b8d732e0297
sha256
f2beb079239abf4304a845a06908dd7cc199451fb38fab7ead357fd05edeebd9
sha512
fbd8026831540b4fc84ab2577e1767fae1ab4d112c1fea389776e5570613ae4e991c9405478e89d2f1cef7f8b541998ea60e59c2ee06ed509c976dae12daa8b4
ripemd-160
5b8ce1f08c16537e0446939509bee9e966e3ba88
Diameter
1842978290
Circumference
5789887056.5895
Area
2.6676590367116E+18
Volume
3.2776251265212E+27
Surface area
1.0670636146846E+19
Circumference
5789887056.5895
Perimeter
3685956580
Area
849142244352831025
Diagonal
1303182446.4386
Surface area
5094853466116986150
Volume
7.8247536073207E+26
Space diagonal
1596066017.7632
Perimeter
2764467435
Area
3.6768937751804E+17
Altitude
798033008.8816
Surface area
3.6768937751804E+17
Volume
9.2215605614173E+25
Height
434394148.81286