61369987 is an odd 8-digits composite number following 61369986
and preceding 61369988 . In scientific notation, it is written as 6.1369987 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 49714560 positive integers (up to 61369987) that are relatively prime to 61369987.
61369987 has 16 divisors, whose sum is 74094592
The reverse of 61369987 is 78996316
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-one million three hundred sixty-nine thousand nine hundred eighty-seven
Scientific notation
6.1369987 × 10^7
Engineering notation
6.1369987 × 10^6
Prime Factorization
31 × 43 × 7 × 6577
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
61369987
Product of the distinct prime numbers
The prime factorization of 61369987 is 31 × 43 × 7 × 6577.
Since it has a total of 4 prime factors.
4 , 3 , 38 , 46 , 284 , 87 , 2003 , 8559 , 89009 , 49389 , 8599 , 751480 , 6396497 , 649383 , 6588995 , 13360773 , 482360753 , 259197504 , 6190109301 , 1052550300
n×2
122739974
n×3
184109961
n×4
245479948
n×5
306849935
n÷2
30684993.5
n÷3
20456662.333333
n÷3
15342496.75
n÷5
12273997.4
n2
3766275304380169
n3
2.3113626646823E+23
n4
1.4184829668384E+31
n5
8.7052281234594E+38
2 √n
7833.8998589464
3 √n
394.44399045699
4 √n
88.509320746159
5 √n
36.106983396141
1 , 7 , 31 , 43 , 217 , 301 , 1333 , 6577 , 9331 , 46039 , 203887 , 282811 , 1427209 , 1979677 , 8767141 , 61369987
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
-61369986
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 61369987 can be divided by 16 positive divisors.
The sum of these divisors (counting 61369987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101010000110111010000011
3
Ternary
11021110220210111
4
Quaternary
3222012322003
5
Quinary
111202314422
6
Senary
10031212151
8
Octal
352067203
10
Decimal
61369987
12
Duodecimal
18677057
16
Hexadecimal
3a86e83
20
Vigesimal
j3b4j7
36
Base36
10jddv
md5
a977b47240e1e50569b18ae87774805b
sha1
deb4202ca7b525ac1e68e14fba54c76a0b2fe5be
sha256
1d57ec136dd4b724b7604d93b81e3aff53d4c880031af2b9d5656d8f1e274111
sha512
62674b34e04d8baf1cbc956731e01e0283e172de10b518cc0fc6bd422d7eaaf64265d23c562ad1b943a5e015fc146991592812e2e0250bacedd17002ab086b2a
ripemd-160
d87add608d2cfbbcbdfacde7305774b1594f7d16
Diameter
122739974
Circumference
385599000.6202
Area
1.1832102827637E+16
Volume
9.6818132895303E+23
Surface area
4.732841131055E+16
Circumference
385599000.6202
Perimeter
245479948
Area
3766275304380169
Diagonal
86790267.938061
Surface area
22597651826281014
Volume
2.3113626646823E+23
Space diagonal
106295935.54384
Perimeter
184109961
Area
1.6308450456196E+15
Altitude
53147967.771921
Surface area
1.6308450456196E+15
Volume
2.7239670232971E+22
Height
28930089.312687