68278540 is an even 8-digits composite number following 68278539
and preceding 68278541 . In scientific notation, it is written as 6.8278540 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 24828480 positive integers (up to 68278540) that are relatively prime to 68278540.
68278540 has 12 divisors, whose sum is 121660336
The reverse of 68278540 is 04587286
Previous prime number is 55
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million two hundred seventy-eight thousand five hundred forty
Scientific notation
6.8278540 × 10^7
Engineering notation
6.8278540 × 10^6
Prime Factorization
2 × 2 × 55 × 310357
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34139270
Product of the distinct prime numbers
The prime factorization of 68278540 is 2 × 2 × 55 × 310357.
Since it has a total of 4 prime factors.
10 , 9 , 87 , 53 , 575 , 86 , 1357 , 6411 , 3512 , 87974 , 802924 , 456006 , 4180516 , 6095993 , 62227152 , 19000254 , 109837318 , 495530607 , 4539460973 , 3239597585
n×2
136557080
n×3
204835620
n×4
273114160
n×5
341392700
n÷2
34139270
n÷3
22759513.333333
n÷3
17069635
n÷5
13655708
n2
4661959024531600
n3
3.1831175573484E+23
n4
2.1733861946412E+31
n5
1.4839563622625E+39
2 √n
8263.0829597675
3 √n
408.72205696375
4 √n
90.901501416464
5 √n
36.885599396729
1 , 2 , 4 , 55 , 110 , 220 , 310357 , 620714 , 1241428 , 17069635 , 34139270 , 68278540
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68278539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68278540 can be divided by 12 positive divisors.
The sum of these divisors (counting 68278540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000100011101100100001100
3
Ternary
11202110220112211
4
Quaternary
10010131210030
5
Quinary
114434403130
6
Senary
10435240204
8
Octal
404354414
10
Decimal
68278540
12
Duodecimal
1aa49064
16
Hexadecimal
411d90c
20
Vigesimal
116eg70
36
Base36
14ng24
md5
c57cb8610af0b7733fb3e2a2b6f5337c
sha1
1e794aa6961462749b304322c9b1dcb96cda5b7d
sha256
1217c11088d8456900eaedb360fe989f6cf91cb8b67334303af34427b6243a55
sha512
87518f7e25c426df92d56358a25e79d9351da71afe71d30332a8ad25228bf020aae643e3dfe132bdab05c85c490c332b1b87533ba3c41b745cdadc330b1115fb
ripemd-160
9ca707e4508297180fde8c271775d94cb4d5156e
Diameter
136557080
Circumference
429006719.32367
Area
1.4645976222805E+16
Volume
1.3333411644905E+24
Surface area
5.858390489122E+16
Circumference
429006719.32367
Perimeter
273114160
Area
4661959024531600
Diagonal
96560437.287034
Surface area
27971754147189600
Volume
3.1831175573484E+23
Space diagonal
118261900.34662
Perimeter
204835620
Area
2.0186874733232E+15
Altitude
59130950.173312
Surface area
2.0186874733232E+15
Volume
3.7513400168584E+22
Height
32186812.429011