661012912 is an even 9-digits composite number following 661012911
and preceding 661012913 . In scientific notation, it is written as 6.61012912 × 10^8.
The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors.
There are 283291200 positive integers (up to 661012912) that are relatively prime to 661012912.
661012912 has 20 divisors, whose sum is 1463671696
The reverse of 661012912 is 219210166
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
six hundred sixty-one million twelve thousand nine hundred twelve
Scientific notation
6.61012912 × 10^8
Engineering notation
6.61012912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 5901901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
82626614
Product of the distinct prime numbers
The prime factorization of 661012912 is 2 × 2 × 2 × 2 × 7 × 5901901.
Since it has a total of 6 prime factors.
5 , 5 , 97 , 35 , 843 , 729 , 1977 , 8426 , 41441 , 57348 , 26733 , 670863 , 3105200 , 5078690 , 19714693 , 21801299 , 76231038 , 740095080 , 4772381065 , 9807907935
n×2
1322025824
n×3
1983038736
n×4
2644051648
n×5
3305064560
n÷2
330506456
n÷3
220337637.33333
n÷3
165253228
n÷5
132202582.4
n2
436938069830719744
n3
2.8882170590246E+26
n4
1.9091487686739E+35
n5
1.2619719870224E+44
2 √n
25710.171372435
3 √n
871.10394585673
4 √n
160.34391591961
5 √n
58.082056987039
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 5901901 , 11803802 , 23607604 , 41313307 , 47215208 , 82626614 , 94430416 , 165253228 , 330506456 , 661012912
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-661012911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 661012912 can be divided by 20 positive divisors.
The sum of these divisors (counting 661012912) is 1, the average is 0.05.
Base
System
Value
2
Binary
100111011001100100000110110000
3
Ternary
1201001210221020201
4
Quaternary
213121210012300
5
Quinary
2323204403122
6
Senary
145331444544
8
Octal
4731440660
10
Decimal
661012912
12
Duodecimal
165456754
16
Hexadecimal
276641b0
20
Vigesimal
a6b6c5c
36
Base36
axjsts
md5
3df23506d7fab06df0fdc275b0e33bbe
sha1
d4c4aedcc31680fc9002310e165feb096f6b5ad6
sha256
be46097dbd9537371f28f1901262fcb0280c0e0b4eecb928a32be8dc49b1da72
sha512
d3821803bf05cb01b59b8ae63b0c3a486667538a2a5c7a9626eb169110732b9f9ed06a24e50977bfbda126b842fca23f37def8a62bd12b157070697f891b5f23
ripemd-160
d3db7feb747d8db9e32c53e24a1a978364a99db6
Diameter
1322025824
Circumference
4153266616.5344
Area
1.3726814302539E+18
Volume
1.2098135326139E+27
Surface area
5.4907257210156E+18
Circumference
4153266616.5344
Perimeter
2644051648
Area
436938069830719744
Diagonal
934813425.05413
Surface area
2621628418984318464
Volume
2.8882170590246E+26
Space diagonal
1144907948.0431
Perimeter
1983038736
Area
1.8919973417697E+17
Altitude
572453974.02153
Surface area
1.8919973417697E+17
Volume
3.403796446625E+25
Height
311604475.01804