991542225 is an odd 9-digits composite number following 991542224
and preceding 991542226 . In scientific notation, it is written as 9.91542225 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 528145600 positive integers (up to 991542225) that are relatively prime to 991542225.
991542225 has 16 divisors, whose sum is 1376698752
The reverse of 991542225 is 522245199
Previous prime number is 821
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
nine hundred ninety-one million five hundred forty-two thousand two hundred twenty-five
Scientific notation
9.91542225 × 10^8
Engineering notation
9.91542225 × 10^6
Prime Factorization
3 × 25 × 821 × 16103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
991542225
Product of the distinct prime numbers
The prime factorization of 991542225 is 3 × 25 × 821 × 16103.
Since it has a total of 4 prime factors.
10 , 5 , 48 , 80 , 160 , 375 , 5890 , 1944 , 46696 , 98890 , 426713 , 345840 , 4817581 , 8786707 , 61129404 , 12831794 , 386101165 , 478711561 , 9892958064 , 2587191520
n×2
1983084450
n×3
2974626675
n×4
3966168900
n×5
4957711125
n÷2
495771112.5
n÷3
330514075
n÷3
247885556.25
n÷5
198308445
n2
983155983957950625
n3
9.7484067185573E+26
n4
9.6659568879233E+35
n5
9.5842043994055E+44
2 √n
31488.76347207
3 √n
997.17275589042
4 √n
177.45073533821
5 √n
62.988641620652
1 , 3 , 25 , 75 , 821 , 2463 , 16103 , 20525 , 48309 , 61575 , 402575 , 1207725 , 13220563 , 39661689 , 330514075 , 991542225
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-991542224
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 991542225 can be divided by 16 positive divisors.
The sum of these divisors (counting 991542225) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011000110011011101111010001
3
Ternary
2120002202120020010
4
Quaternary
323012123233101
5
Quinary
4012313322400
6
Senary
242220105133
8
Octal
7306335721
10
Decimal
991542225
12
Duodecimal
2380951a9
16
Hexadecimal
3b19bbd1
20
Vigesimal
f9h2fb5
36
Base36
gec6vl
md5
e6d831c4dee2975331e62c5c33260125
sha1
d33bc1ab6bbf6ca57dfbfc65848a1ceef76bb510
sha256
ba0f63e8f5fed524279daeb428e3cfed5f639580922cfb38bcfc9fe334954f26
sha512
8960598f68049ae8080fe795fc35f14bd6175137706de9e88808fdb256007dd4ff5f1b4fe3e5505b648876002c905e91f4909c55a141910aa447000b86f332bd
ripemd-160
b5d0f9062d3c595c366e4d9c19744405bd3ef412
Diameter
1983084450
Circumference
6230043539.5682
Area
3.0886756165351E+18
Volume
4.0834030574967E+27
Surface area
1.2354702466141E+19
Circumference
6230043539.5682
Perimeter
3966168900
Area
983155983957950625
Diagonal
1402252462.2606
Surface area
5898935903747703750
Volume
9.7484067185573E+26
Space diagonal
1717401511.5499
Perimeter
2974626675
Area
4.2571902899514E+17
Altitude
858700755.77495
Surface area
4.2571902899514E+17
Volume
1.1488607494094E+26
Height
467417487.4202