661252642 is an even 9-digits composite number following 661252641
and preceding 661252643 . In scientific notation, it is written as 6.61252642 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 327592944 positive integers (up to 661252642) that are relatively prime to 661252642.
661252642 has 8 divisors, whose sum is 1000979100
The reverse of 661252642 is 246252166
Previous prime number is 109
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
six hundred sixty-one million two hundred fifty-two thousand six hundred forty-two
Scientific notation
6.61252642 × 10^8
Engineering notation
6.61252642 × 10^6
Prime Factorization
2 × 109 × 3033269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
661252642
Product of the distinct prime numbers
The prime factorization of 661252642 is 2 × 109 × 3033269.
Since it has a total of 3 prime factors.
3 , 3 , 83 , 65 , 444 , 659 , 4176 , 6791 , 58193 , 79367 , 140032 , 146701 , 4913716 , 2183909 , 18021114 , 70584968 , 719613897 , 608516058 , 9270635916 , 2668508201
n×2
1322505284
n×3
1983757926
n×4
2645010568
n×5
3306263210
n÷2
330626321
n÷3
220417547.33333
n÷3
165313160.5
n÷5
132250528.4
n2
437255056551980164
n3
2.8913606137286E+26
n4
1.9119198448028E+35
n5
1.2642620486681E+44
2 √n
25714.833112428
3 √n
871.20924108105
4 √n
160.35845195196
5 √n
58.08626930779
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
-661252641
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 661252642 can be divided by 8 positive divisors.
The sum of these divisors (counting 661252642) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011010011110101000100010
3
Ternary
1201002021010002121
4
Quaternary
213122132220202
5
Quinary
2323240041032
6
Senary
145340534454
8
Octal
4732365042
10
Decimal
661252642
12
Duodecimal
16555142a
16
Hexadecimal
2769ea22
20
Vigesimal
a6cgbc2
36
Base36
axoxsy
md5
0947e866c19bec81e9dc09f92130095e
sha1
d65ae947e2dc1c2d27075adffbd8b93d1042107e
sha256
fafdb0a4d77eabb6f758306b9ff2d30f87989687ba4719485c413a7d6c57ffea
sha512
e78cfa84c6716a592ad7b3767e29eb55ff1c0532140785db2ab91e41e4426839c445b026d75256a33a79670b32545a6c19f684e10733546b737cfed19b119876
ripemd-160
cf9216d014a7186bdea6960e857bb7f6d2426add
Diameter
1322505284
Circumference
4154772884.5481
Area
1.3736772734087E+18
Volume
1.2111303017291E+27
Surface area
5.4947090936348E+18
Circumference
4154772884.5481
Perimeter
2645010568
Area
437255056551980164
Diagonal
935152454.47144
Surface area
2623530339311880984
Volume
2.8913606137286E+26
Space diagonal
1145323172.5832
Perimeter
1983757926
Area
1.8933699345361E+17
Altitude
572661586.29158
Surface area
1.8933699345361E+17
Volume
3.4075011613719E+25
Height
311717484.82381