61639915 is an odd 8-digits composite number following 61639914
and preceding 61639916 . In scientific notation, it is written as 6.1639915 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 49271712 positive integers (up to 61639915) that are relatively prime to 61639915.
61639915 has 8 divisors, whose sum is 74028240
The reverse of 61639915 is 51993616
Previous prime number is 1429
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-one million six hundred thirty-nine thousand nine hundred fifteen
Scientific notation
6.1639915 × 10^7
Engineering notation
6.1639915 × 10^6
Prime Factorization
5 × 1429 × 8627
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
61639915
Product of the distinct prime numbers
The prime factorization of 61639915 is 5 × 1429 × 8627.
Since it has a total of 3 prime factors.
9 , 10 , 96 , 76 , 439 , 150 , 7880 , 9676 , 52577 , 31102 , 526106 , 577934 , 3012721 , 1723556 , 30733942 , 23858041 , 116345091 , 18960313 , 4611408579 , 2791673116
n×2
123279830
n×3
184919745
n×4
246559660
n×5
308199575
n÷2
30819957.5
n÷3
20546638.333333
n÷3
15409978.75
n÷5
12327983
n2
3799479121207225
n3
2.3419957007549E+23
n4
1.443604159249E+31
n5
8.8983637669753E+38
2 √n
7851.1091573102
3 √n
395.02144838936
4 √n
88.60648484908
5 √n
36.138690047188
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
-61639914
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 61639915 can be divided by 8 positive divisors.
The sum of these divisors (counting 61639915) is 1, the average is 0.125.
Base
System
Value
2
Binary
11101011001000110011101011
3
Ternary
11021222122001211
4
Quaternary
3223020303223
5
Quinary
111234434130
6
Senary
10041053551
8
Octal
353106353
10
Decimal
61639915
12
Duodecimal
187872b7
16
Hexadecimal
3ac8ceb
20
Vigesimal
j54jff
36
Base36
10p5nv
md5
df78c05fbb4bd733be590e7ff7a722f5
sha1
dd9be0e466050c898b31062da9f82cd9595b347d
sha256
59cbddda3abd2daa377aa7cf1d93df6dc246c240ff37b59d167c5688345c1b2b
sha512
279c8db539a7e2939deb8f4aff89c367d0166432610743bc44b9c653661b4e5716ba1392a116b26f98fbbe6690c270a6059000506c6dc056efe645b4838fbb5f
ripemd-160
1a88bad88acc5c3234943639558690e4ddb3e9c2
Diameter
123279830
Circumference
387295008.2638
Area
1.1936415694652E+16
Volume
9.8101286509739E+23
Surface area
4.774566277861E+16
Circumference
387295008.2638
Perimeter
246559660
Area
3799479121207225
Diagonal
87172003.776525
Surface area
22796874727243350
Volume
2.3419957007549E+23
Space diagonal
106763464.55423
Perimeter
184919745
Area
1.645222720057E+15
Altitude
53381732.277113
Surface area
1.645222720057E+15
Volume
2.7600684025225E+22
Height
29057334.592175