155215216 is an even 9-digits composite number following 155215215
and preceding 155215217 . In scientific notation, it is written as 1.55215216 × 10^8.
The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors.
There are 71637696 positive integers (up to 155215216) that are relatively prime to 155215216.
155215216 has 20 divisors, whose sum is 323862952
The reverse of 155215216 is 612512551
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred fifty-five million two hundred fifteen thousand two hundred sixteen
Scientific notation
1.55215216 × 10^8
Engineering notation
1.55215216 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 13 × 746227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
19401902
Product of the distinct prime numbers
The prime factorization of 155215216 is 2 × 2 × 2 × 2 × 13 × 746227.
Since it has a total of 6 prime factors.
3 , 5 , 10 , 75 , 440 , 6 , 6115 , 6008 , 37840 , 64308 , 534050 , 637244 , 3166540 , 6102174 , 49267756 , 33442805 , 844095175 , 842729413 , 7749311779 , 8284166787
n×2
310430432
n×3
465645648
n×4
620860864
n×5
776076080
n÷2
77607608
n÷3
51738405.333333
n÷3
38803804
n÷5
31043043.2
n2
24091763277926656
n3
3.7394082410043E+24
n4
5.8041305783966E+32
n5
9.0088938141803E+40
2 √n
12458.539882346
3 √n
537.41703828642
4 √n
111.61782958984
5 √n
43.469721594158
1 , 2 , 4 , 8 , 13 , 16 , 26 , 52 , 104 , 208 , 746227 , 1492454 , 2984908 , 5969816 , 9700951 , 11939632 , 19401902 , 38803804 , 77607608 , 155215216
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
-155215215
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 155215216 can be divided by 20 positive divisors.
The sum of these divisors (counting 155215216) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001010000000110010101110000
3
Ternary
101211001202020201
4
Quaternary
21100012111300
5
Quinary
304213341331
6
Senary
23222444544
8
Octal
1120062560
10
Decimal
155215216
12
Duodecimal
43b93754
16
Hexadecimal
9406570
20
Vigesimal
28a1i0g
36
Base36
2kests
md5
93a1929b25b8bc8ded77b20638737cbe
sha1
f777b0ce051bbb33e5db562a701b3652abf33591
sha256
7abbbec90ce889701aac2637f0a1a495b5e73d23d76ac0fa4f2e41b751db4b18
sha512
761afbe32d38ae2c1947acd92976d43c14d08ccd0369f372e80648bbaa9cc61e44c3d9370fafe4e9f07df5345bc277a1eeda7603a14c1e7a197c7ed7336c0562
ripemd-160
46f943f0f8f4af31a70cf00a6413ab0b4878b3a2
Diameter
310430432
Circumference
975245964.62191
Area
7.5686506525959E+16
Volume
1.5663596611616E+25
Surface area
3.0274602610383E+17
Circumference
975245964.62191
Perimeter
620860864
Area
24091763277926656
Diagonal
219507463.55387
Surface area
144550579667559936
Volume
3.7394082410043E+24
Space diagonal
268840640.21978
Perimeter
465645648
Area
1.0432039510323E+16
Altitude
134420320.10989
Surface area
1.0432039510323E+16
Volume
4.4069348747316E+23
Height
73169154.517956