1661539407 is an odd 10-digits composite number following 1661539406
and preceding 1661539408 . In scientific notation, it is written as 1.661539407 × 10^9.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 1006993560 positive integers (up to 1661539407) that are relatively prime to 1661539407.
1661539407 has 8 divisors, whose sum is 2416784640
The reverse of 1661539407 is 7049351661
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 42
Digital Root 6
Name
one billion six hundred sixty-one million five hundred thirty-nine thousand four hundred seven
Scientific notation
1.661539407 × 10^9
Engineering notation
1.661539407 × 10^9
Prime Factorization
3 × 11 × 50349679
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1661539407
Product of the distinct prime numbers
The prime factorization of 1661539407 is 3 × 11 × 50349679.
Since it has a total of 3 prime factors.
5 , 2 , 12 , 64 , 353 , 280 , 7905 , 1911 , 19792 , 6928 , 359568 , 744938 , 5892089 , 5059176 , 57364894 , 52656307 , 155151872 , 42448173 , 4194094647 , 9679374552
n×2
3323078814
n×3
4984618221
n×4
6646157628
n×5
8307697035
n÷2
830769703.5
n÷3
553846469
n÷3
415384851.75
n÷5
332307881.4
n2
2760713201013911649
n3
4.5870337749097E+27
n4
7.6215373782525E+36
n5
1.266348469589E+46
2 √n
40761.984826551
3 √n
1184.4140449039
4 √n
201.8959752609
5 √n
69.839662052682
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
-1661539406
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 1661539407 can be divided by 8 positive divisors.
The sum of these divisors (counting 1661539407) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011000010010001010001001111
3
Ternary
11021210110221120120
4
Quaternary
1203002101101033
5
Quinary
11400323230112
6
Senary
432512320023
8
Octal
14302212117
10
Decimal
1661539407
12
Duodecimal
3a4543013
16
Hexadecimal
6309144f
20
Vigesimal
15j4c8a7
36
Base36
rh8k0f
md5
0691a4d82f6080188547eb29963e3f98
sha1
95f3581da9772ed149b51d4de06e51c2aea685d4
sha256
e5353e6c3ec613d66d93fe9e7b14e0c9d5873cd1555351600491aa9a195e01bb
sha512
65b34217bac1d42638405b94cd46446ead97a734f780301c28d428d7ec84ed92c4806b992068ee9f4b2dfa558206b285845f11ec5fe22a3010dc9aa39b9f48f3
ripemd-160
f5878dc55159a0b353e7ecaba2ec54b5f9f7d2e9
Diameter
3323078814
Circumference
10439759989.362
Area
8.6730363109737E+18
Volume
1.9214122145366E+28
Surface area
3.4692145243895E+19
Circumference
10439759989.362
Perimeter
6646157628
Area
2760713201013911649
Diagonal
2349771563.7968
Surface area
1.6564279206083E+19
Volume
4.5870337749097E+27
Space diagonal
2877870671.7019
Perimeter
4984618221
Area
1.1954238823206E+18
Altitude
1438935335.8509
Surface area
1.1954238823206E+18
Volume
5.405871146284E+26
Height
783257187.93225