661252641 is an odd 9-digits composite number following 661252640
and preceding 661252642 . In scientific notation, it is written as 6.61252641 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 367645824 positive integers (up to 661252641) that are relatively prime to 661252641.
661252641 has 8 divisors, whose sum is 711464424
The reverse of 661252641 is 146252166
Previous prime number is 37
Is Prime? no Number parity odd Number length 9 Sum of Digits 33 Digital Root 6
Name
six hundred sixty-one million two hundred fifty-two thousand six hundred forty-one
Scientific notation
6.61252641 × 10^8
Engineering notation
6.61252641 × 10^6
Prime Factorization
21 × 37 × 851033
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
661252641 Product of the distinct prime numbers
The prime factorization of 661252641 is 21 × 37 × 851033.
Since it has a total of 3 prime factors.
6 , 6 , 44 , 55 , 192 , 361 , 44 , 2707 , 64831 , 80895 , 926124 , 41648 , 4985413 , 8681434 , 46555669 , 65019789 , 619730804 , 159251125 , 5410512627 , 7576130183
n×2
1322505282
n×3
1983757923
n×4
2645010564
n×5
3306263205
n÷2
330626320.5
n÷3
220417547
n÷3
165313160.25
n÷5
132250528.2
n2
437255055229474881
n3
2.8913606006109E+26
n4
1.9119198332373E+35
n5
1.2642620391085E+44
2 √n25714.833092984
3 √n871.20924064188
4 √n160.35845189133
5 √n58.086269290221
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
-661252640 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 661252641 can be divided by 8 positive divisors.
The sum of these divisors (counting 661252641) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011010011110101000100001
3
Ternary
1201002021010002120
4
Quaternary
213122132220201
5
Quinary
2323240041031
6
Senary
145340534453
8
Octal
4732365041
10
Decimal
661252641
12
Duodecimal
165551429
16
Hexadecimal
2769ea21
20
Vigesimal
a6cgbc1
36
Base36
axoxsx
md5
b3d6daafc77c60b7dda51bdddca178c0
sha1
f4534317d4fabef173c89a2eb2708614e9dedbcc
sha256
5e7eebf0e16156e32ab26d252f845cef3a45443ed3a9424ae5aa97a85769c2e7
sha512
008a9c2857703f8dd733b226ae5e6545c4cb382bbe8783749f118afc9a594d9e802fb52752e2d17111a4bcd8f81c9226c765c972da100a1a0b97b79e0298ee2b
ripemd-160
819736c722b6a96f2ef7ee39cbb604cc74d5cafd
Diameter
1322505282
Circumference
4154772878.2649
Area
1.3736772692539E+18
Volume
1.2111302962344E+27
Surface area
5.4947090770157E+18
Circumference
4154772878.2649
Perimeter
2645010564
Area
437255055229474881
Diagonal
935152453.05723
Surface area
2623530331376849286
Volume
2.8913606006109E+26
Space diagonal
1145323170.8511
Perimeter
1983757923
Area
1.8933699288095E+17
Altitude
572661585.42555
Surface area
1.8933699288095E+17
Volume
3.4075011459126E+25
Height
311717484.35241