61387984 is an even 8-digits composite number following 61387983
and preceding 61387985 . In scientific notation, it is written as 6.1387984 × 10^7.
The sum of its digits is 46. It has a total of 7 prime factors and 30 positive divisors.
There are 26308800 positive integers (up to 61387984) that are relatively prime to 61387984.
61387984 has 30 divisors, whose sum is 138359634
The reverse of 61387984 is 48978316
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-one million three hundred eighty-seven thousand nine hundred eighty-four
Scientific notation
6.1387984 × 10^7
Engineering notation
6.1387984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 7 × 78301
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1096214
Product of the distinct prime numbers
The prime factorization of 61387984 is 2 × 2 × 2 × 2 × 7 × 7 × 78301.
Since it has a total of 7 prime factors.
1 , 7 , 3 , 31 , 974 , 583 , 2115 , 9925 , 87824 , 696 , 64678 , 912889 , 6307118 , 6052816 , 67564777 , 49082879 , 30466694 , 225610819 , 1001674653 , 9819284681
n×2
122775968
n×3
184163952
n×4
245551936
n×5
306939920
n÷2
30693992
n÷3
20462661.333333
n÷3
15346996
n÷5
12277596.8
n2
3768484579584256
n3
2.3133967107577E+23
n4
1.4201476026564E+31
n5
8.7179998309511E+38
2 √n
7835.0484363532
3 √n
394.48254412704
4 √n
88.51580896288
5 √n
36.109100851923
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 49 , 56 , 98 , 112 , 196 , 392 , 784 , 78301 , 156602 , 313204 , 548107 , 626408 , 1096214 , 1252816 , 2192428 , 3836749 , 4384856 , 7673498 , 8769712 , 15346996 , 30693992 , 61387984
30 divisors
τ
Total Divisors
30
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61387983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.033333333333333
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
30
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61387984 can be divided by 30 positive divisors.
The sum of these divisors (counting 61387984) is 1, the average is 0.033333333333333.
Base
System
Value
2
Binary
11101010001011010011010000
3
Ternary
11021111211111001
4
Quaternary
3222023103100
5
Quinary
111203403414
6
Senary
10031431344
8
Octal
352132320
10
Decimal
61387984
12
Duodecimal
18685554
16
Hexadecimal
3a8b4d0
20
Vigesimal
j3d9j4
36
Base36
10jr9s
md5
4037f960bd9e9bbddf280e4b6f248124
sha1
e6141744eab09419c59ce1773724e96c2601caf3
sha256
8d3f9266f7689e3641d7c4f58e17b10a3ae205e4a9b75e033d0504596e97bc9b
sha512
5b5087dfb3a7160cb60bafe629ec1b7dd6ac52ce6254092ef6a0cbb162a7aef6bdb7a6588483713fbcbcd606b7a9468d54772ccb8e14cfbdcc98ce2d4fefbcdd
ripemd-160
211d930c6f300210639fac2b02cccd3b9b2e6be7
Diameter
122775968
Circumference
385712079.10618
Area
1.1839043470388E+16
Volume
9.6903334818067E+23
Surface area
4.7356173881553E+16
Circumference
385712079.10618
Perimeter
245551936
Area
3768484579584256
Diagonal
86815719.539543
Surface area
22610907477505536
Volume
2.3133967107577E+23
Space diagonal
106327107.26223
Perimeter
184163952
Area
1.6318016898449E+15
Altitude
53163553.631113
Surface area
1.6318016898449E+15
Volume
2.7263641695856E+22
Height
28938573.179848