87156944 is an even 8-digits composite number following 87156943
and preceding 87156945 . In scientific notation, it is written as 8.7156944 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors.
There are 37352928 positive integers (up to 87156944) that are relatively prime to 87156944.
87156944 has 20 divisors, whose sum is 192990624
The reverse of 87156944 is 44965178
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-seven million one hundred fifty-six thousand nine hundred forty-four
Scientific notation
8.7156944 × 10^7
Engineering notation
8.7156944 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 778187
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10894618
Product of the distinct prime numbers
The prime factorization of 87156944 is 2 × 2 × 2 × 2 × 7 × 778187.
Since it has a total of 6 prime factors.
10 , 9 , 15 , 17 , 762 , 945 , 3851 , 7372 , 58382 , 41712 , 688534 , 627442 , 4408357 , 260068 , 61085227 , 70886405 , 854084631 , 554424797 , 8965543720 , 7569950030
n×2
174313888
n×3
261470832
n×4
348627776
n×5
435784720
n÷2
43578472
n÷3
29052314.666667
n÷3
21789236
n÷5
17431388.8
n2
7596332887419136
n3
6.6207316007415E+23
n4
5.7704273336486E+31
n5
5.0293281197488E+39
2 √n
9335.7883437876
3 √n
443.37104898321
4 √n
96.621883358728
5 √n
38.731150591181
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 778187 , 1556374 , 3112748 , 5447309 , 6225496 , 10894618 , 12450992 , 21789236 , 43578472 , 87156944
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87156943
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87156944 can be divided by 20 positive divisors.
The sum of these divisors (counting 87156944) is 1, the average is 0.05.
Base
System
Value
2
Binary
101001100011110100011010000
3
Ternary
20002000000211222
4
Quaternary
11030132203100
5
Quinary
134303010234
6
Senary
12352024212
8
Octal
514364320
10
Decimal
87156944
12
Duodecimal
25232068
16
Hexadecimal
531e8d0
20
Vigesimal
174ec74
36
Base36
1fw2q8
md5
ba257d9011420e236b783f974f26bd07
sha1
3e2c6fdcb3702016f0e80f243a935eb6d171ac93
sha256
48d054e579eec155f9210b9a337f3f253101353f1f8e3173060dafbd25ffbc7a
sha512
08ef11b2f86c22d751cf7529b704ca4dfd195c20b2c5ed4f1862f4381752e65a60b00a827376c65319c0091e8e4fffccb801470ab075e1e7c549671a31c2de09
ripemd-160
8d06c22940efaac9acd41e645f595e2e0c0a3816
Diameter
174313888
Circumference
547623229.95947
Area
2.3864583593338E+16
Volume
2.7732855677706E+24
Surface area
9.5458334373354E+16
Circumference
547623229.95947
Perimeter
348627776
Area
7596332887419136
Diagonal
123258532.25979
Surface area
45577997324514816
Volume
6.6207316007415E+23
Space diagonal
150960255.24044
Perimeter
261470832
Area
3.2893086280541E+15
Altitude
75480127.620218
Surface area
3.2893086280541E+15
Volume
7.8026070188339E+22
Height
41086177.419931