138753661 is an odd 9-digits composite number following 138753660
and preceding 138753662 . In scientific notation, it is written as 1.38753661 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 133708848 positive integers (up to 138753661) that are relatively prime to 138753661.
138753661 has 8 divisors, whose sum is 143817120
The reverse of 138753661 is 166357831
Previous prime number is 547
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred thirty-eight million seven hundred fifty-three thousand six hundred sixty-one
Scientific notation
1.38753661 × 10^8
Engineering notation
1.38753661 × 10^6
Prime Factorization
29 × 547 × 8747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138753661
Product of the distinct prime numbers
The prime factorization of 138753661 is 29 × 547 × 8747.
Since it has a total of 3 prime factors.
9 , 10 , 11 , 73 , 917 , 551 , 3572 , 7464 , 81665 , 40888 , 366299 , 218448 , 5797776 , 7883323 , 85506306 , 22906215 , 509641185 , 688832231 , 1224278656 , 1640422336
n×2
277507322
n×3
416260983
n×4
555014644
n×5
693768305
n÷2
69376830.5
n÷3
46251220.333333
n÷3
34688415.25
n÷5
27750732.2
n2
19252578440902921
n3
2.671365742365E+24
n4
3.7066177662312E+32
n5
5.1430678499222E+40
2 √n
11779.37438916
3 √n
517.70395595146
4 √n
108.5328263207
5 √n
42.505868092574
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
-138753660
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 138753661 can be divided by 8 positive divisors.
The sum of these divisors (counting 138753661) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001010011011001111101
3
Ternary
100200002102020111
4
Quaternary
20101103121331
5
Quinary
241010104121
6
Senary
21433550021
8
Octal
1021233175
10
Decimal
138753661
12
Duodecimal
3a575311
16
Hexadecimal
845367d
20
Vigesimal
2374431
36
Base36
2alz0d
md5
fdc59fc69871d788934a199801dec1bc
sha1
070e95951d50ac1ad768422650b21f3e8deb1a51
sha256
eae6dfe57e671e64b1c2b7f9139d9e075ace23b19ac28fabd23287e21441829e
sha512
d154ca8e61afbccf9cf318d5302dde0078bf2e5e84358463e240b1a6c85270da89197016f0e15ceca11a50de0ecf5104c51b8a40f0bb6cbe0bd5edc476863b8d
ripemd-160
08fcebab7ad196a98ebd4a12035c56a37caffacb
Diameter
277507322
Circumference
871814964.11258
Area
6.0483758992602E+16
Volume
1.118979065502E+25
Surface area
2.4193503597041E+17
Circumference
871814964.11258
Perimeter
555014644
Area
19252578440902921
Diagonal
196227309.21512
Surface area
115515470645417526
Volume
2.671365742365E+24
Space diagonal
240328390.58819
Perimeter
416260983
Area
8.3366110090873E+15
Altitude
120164195.29409
Surface area
8.3366110090873E+15
Volume
3.1482347190928E+23
Height
65409103.071706