155287372 is an even 9-digits composite number following 155287371
and preceding 155287373 . In scientific notation, it is written as 1.55287372 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 75545136 positive integers (up to 155287372) that are relatively prime to 155287372.
155287372 has 12 divisors, whose sum is 279097840
The reverse of 155287372 is 273782551
Previous prime number is 37
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred fifty-five million two hundred eighty-seven thousand three hundred seventy-two
Scientific notation
1.55287372 × 10^8
Engineering notation
1.55287372 × 10^6
Prime Factorization
2 × 2 × 37 × 1049239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77643686
Product of the distinct prime numbers
The prime factorization of 155287372 is 2 × 2 × 37 × 1049239.
Since it has a total of 4 prime factors.
5 , 5 , 65 , 25 , 571 , 637 , 880 , 3584 , 59641 , 83783 , 954353 , 634205 , 4147838 , 5242380 , 21348778 , 86492597 , 681326340 , 239157252 , 5113183827 , 674034691
n×2
310574744
n×3
465862116
n×4
621149488
n×5
776436860
n÷2
77643686
n÷3
51762457.333333
n÷3
38821843
n÷5
31057474.4
n2
24114167902666384
n3
3.7446257615718E+24
n4
5.8149309363799E+32
n5
9.0298534347193E+40
2 √n
12461.435390837
3 √n
537.50030301047
4 √n
111.63079947235
5 √n
43.473762458477
1 , 2 , 4 , 37 , 74 , 148 , 1049239 , 2098478 , 4196956 , 38821843 , 77643686 , 155287372
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
-155287371
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 155287372 can be divided by 12 positive divisors.
The sum of these divisors (counting 155287372) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001010000010111111101001100
3
Ternary
101211012102020011
4
Quaternary
21100113331030
5
Quinary
304223143442
6
Senary
23224203004
8
Octal
1120277514
10
Decimal
155287372
12
Duodecimal
44009464
16
Hexadecimal
9417f4c
20
Vigesimal
28aai8c
36
Base36
2kgci4
md5
f86df83b46ac4a1316266e0ae2ae52ef
sha1
70bc88e8927f515b75199da0d606cb9f26540633
sha256
a1424362fd57a62509be02aa57879a5138ddfa8c417cac2f1ce64144282741cc
sha512
1680556416fb8752781a175153da2e3d4685b61cb23b676fa32fc27bf692429dd1d76c1f771ba3962d035e477282280fca5d2189af7617bd0f424d0c59208be1
ripemd-160
df30d70bcf0927c32f237438a61a7e964be4e8df
Diameter
310574744
Circumference
975699334.14093
Area
7.5756892730448E+16
Volume
1.5685451710663E+25
Surface area
3.0302757092179E+17
Circumference
975699334.14093
Perimeter
621149488
Area
24114167902666384
Diagonal
219609507.54768
Surface area
144685007415998304
Volume
3.7446257615718E+24
Space diagonal
268965618.07785
Perimeter
465862116
Area
1.0441740997416E+16
Altitude
134482809.03892
Surface area
1.0441740997416E+16
Volume
4.4130837816888E+23
Height
73203169.182559