61391837 is an odd 8-digits composite number following 61391836
and preceding 61391838 . In scientific notation, it is written as 6.1391837 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 56669376 positive integers (up to 61391837) that are relatively prime to 61391837.
61391837 has 4 divisors, whose sum is 66114300
The reverse of 61391837 is 73819316
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-one million three hundred ninety-one thousand eight hundred thirty-seven
Scientific notation
6.1391837 × 10^7
Engineering notation
6.1391837 × 10^6
Prime Factorization
13 × 4722449
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
61391837
Product of the distinct prime numbers
The prime factorization of 61391837 is 13 × 4722449.
Since it has a total of 2 prime factors.
10 , 7 , 71 , 36 , 378 , 10 , 1478 , 7305 , 23257 , 71232 , 232003 , 698109 , 7680157 , 7188651 , 46390342 , 25400858 , 615663393 , 758887389 , 35241688 , 283730386
n×2
122783674
n×3
184175511
n×4
245567348
n×5
306959185
n÷2
30695918.5
n÷3
20463945.666667
n÷3
15347959.25
n÷5
12278367.4
n2
3768957650234569
n3
2.313832337231E+23
n4
1.4205041769262E+31
n5
8.720736088767E+38
2 √n
7835.2943148295
3 √n
394.49079715066
4 √n
88.517197847817
5 √n
36.109554116108
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61391836
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61391837 can be divided by 4 positive divisors.
The sum of these divisors (counting 61391837) is 1, the average is 0.25.
Base
System
Value
2
Binary
11101010001100001111011101
3
Ternary
11021112000202202
4
Quaternary
3222030033131
5
Quinary
111204014322
6
Senary
10031501245
8
Octal
352141735
10
Decimal
61391837
12
Duodecimal
18687825
16
Hexadecimal
3a8c3dd
20
Vigesimal
j3djbh
36
Base36
10ju8t
md5
4df1a0cbb4d8bf9060a5f52a4d11e40b
sha1
c8c6a87888476a25cf668b78eefe9fe3f5a9239a
sha256
b0cb15b614c17abb188e389119cb3ce054532bb1beff53a378739c104c416c8a
sha512
6a8cd905eb92861156256dc767b0c3ada99b73e9f4605cc6547f0289b52431326ab03d8aabd41c52d9d576c8cc07ac0ca40353a4d285fd9ce5a217352456ef98
ripemd-160
82cdfc44ccc9322610aa72ad021c90d38f0d7142
Diameter
122783674
Circumference
385736288.21916
Area
1.1840529665668E+16
Volume
9.6921582297114E+23
Surface area
4.7362118662672E+16
Circumference
385736288.21916
Perimeter
245567348
Area
3768957650234569
Diagonal
86821168.504398
Surface area
22613745901407414
Volume
2.313832337231E+23
Space diagonal
106333780.85399
Perimeter
184175511
Area
1.6320065354454E+15
Altitude
53166890.426993
Surface area
1.6320065354454E+15
Volume
2.726877560308E+22
Height
28940389.501466