661036387 is an odd 9-digits composite number following 661036386
and preceding 661036388 . In scientific notation, it is written as 6.61036387 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 591828480 positive integers (up to 661036387) that are relatively prime to 661036387.
661036387 has 16 divisors, whose sum is 732146688
The reverse of 661036387 is 783630166
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred sixty-one million thirty-six thousand three hundred eighty-seven
Scientific notation
6.61036387 × 10^8
Engineering notation
6.61036387 × 10^6
Prime Factorization
103 × 11 × 193 × 3023
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
661036387
Product of the distinct prime numbers
The prime factorization of 661036387 is 103 × 11 × 193 × 3023.
Since it has a total of 4 prime factors.
8 , 3 , 79 , 68 , 418 , 798 , 2595 , 697 , 29265 , 32045 , 772510 , 362888 , 4790349 , 5443317 , 4065168 , 9247935 , 922557127 , 647157887 , 6558490966 , 2753195520
n×2
1322072774
n×3
1983109161
n×4
2644145548
n×5
3305181935
n÷2
330518193.5
n÷3
220345462.33333
n÷3
165259096.75
n÷5
132207277.4
n2
436969104938013769
n3
2.8885247835885E+26
n4
1.9094199867033E+35
n5
1.2621960892759E+44
2 √n
25710.627899762
3 √n
871.1142577698
4 √n
160.34533950122
5 √n
58.082469522678
1 , 11 , 103 , 193 , 1133 , 2123 , 3023 , 19879 , 33253 , 218669 , 311369 , 583439 , 3425059 , 6417829 , 60094217 , 661036387
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
-661036386
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 661036387 can be divided by 16 positive divisors.
The sum of these divisors (counting 661036387) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011001101001110101100011
3
Ternary
1201001212010110011
4
Quaternary
213121221311203
5
Quinary
2323211131022
6
Senary
145332145351
8
Octal
4731516543
10
Decimal
661036387
12
Duodecimal
165468257
16
Hexadecimal
27669d63
20
Vigesimal
a6b9aj7
36
Base36
axkaxv
md5
ab02b662c5e6a0894a5e44e8e3071bbe
sha1
312b896e4763f5dbc9e8a1b26897da127e17aeb0
sha256
b5f9dddceca766f12d4b9576d807ec27addfc9a61a23992c28cb404ca779290e
sha512
b14e3435d0d323298fbeddf6ed775863be0c9ae259736c38007865877acafe7942d50100a0cc32b857da1e97143f1efe3f9e404279a0d428a77fe64ab30a5cc6
ripemd-160
ab3ce8f5ecf5c4fec1a406dcbb588655bde42f25
Diameter
1322072774
Circumference
4153414114.3095
Area
1.372778929919E+18
Volume
1.2099424319778E+27
Surface area
5.4911157196759E+18
Circumference
4153414114.3095
Perimeter
2644145548
Area
436969104938013769
Diagonal
934846623.71751
Surface area
2621814629628082614
Volume
2.8885247835885E+26
Space diagonal
1144948607.9358
Perimeter
1983109161
Area
1.8921317277263E+17
Altitude
572474303.96788
Surface area
1.8921317277263E+17
Volume
3.4041591035014E+25
Height
311615541.23917