155220705 is an odd 9-digits composite number following 155220704
and preceding 155220706 . In scientific notation, it is written as 1.55220705 × 10^8.
The sum of its digits is 27. It has a total of 6 prime factors and 20 positive divisors.
There are 82784160 positive integers (up to 155220705) that are relatively prime to 155220705.
155220705 has 20 divisors, whose sum is 278248212
The reverse of 155220705 is 507022551
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred fifty-five million two hundred twenty thousand seven hundred five
Scientific notation
1.55220705 × 10^8
Engineering notation
1.55220705 × 10^6
Prime Factorization
3 × 3 × 3 × 3 × 5 × 383261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5748915
Product of the distinct prime numbers
The prime factorization of 155220705 is 3 × 3 × 3 × 3 × 5 × 383261.
Since it has a total of 6 prime factors.
2 , 2 , 98 , 30 , 209 , 185 , 4871 , 9153 , 73055 , 6662 , 210135 , 672029 , 4302168 , 1206744 , 37530050 , 72936173 , 53421869 , 339942059 , 2231238931 , 1944192868
n×2
310441410
n×3
465662115
n×4
620882820
n×5
776103525
n÷2
77610352.5
n÷3
51740235
n÷3
38805176.25
n÷5
31044141
n2
24093467260697025
n3
3.7398049740998E+24
n4
5.8049516464228E+32
n5
9.0104868704866E+40
2 √n
12458.76017106
3 √n
537.42337324813
4 √n
111.61881638443
5 √n
43.470029040725
1 , 3 , 5 , 9 , 15 , 27 , 45 , 81 , 135 , 405 , 383261 , 1149783 , 1916305 , 3449349 , 5748915 , 10348047 , 17246745 , 31044141 , 51740235 , 155220705
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
-155220704
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 155220705 can be divided by 20 positive divisors.
The sum of these divisors (counting 155220705) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001010000000111101011100001
3
Ternary
101211002000210000
4
Quaternary
21100013223201
5
Quinary
304214030310
6
Senary
23222530213
8
Octal
1120075341
10
Decimal
155220705
12
Duodecimal
43b96969
16
Hexadecimal
9407ae1
20
Vigesimal
28a2bf5
36
Base36
2kex29
md5
fbf1a509311e3d942871f4cab407a341
sha1
2812f86684027f550d6f074bc422e88cc3268af0
sha256
0112f92efa4dd4f3defd674ff8d976f42e67fffaef4df8d8de699138347b80e1
sha512
d23384b3d16f962442c6400b5e64ebd18cb5302afc5618eae91f0db42156894e6e63e0fef6c59a4ed12316de55b050f0830fde694a1a777a6e24e2b2e39909f4
ripemd-160
494aa8a0a3ab80f75d9dd4c161cf628b0aa1ca02
Diameter
310441410
Circumference
975280453.02606
Area
7.5691859745712E+16
Volume
1.5665258443321E+25
Surface area
3.0276743898285E+17
Circumference
975280453.02606
Perimeter
620882820
Area
24093467260697025
Diagonal
219515226.17211
Surface area
144560803564182150
Volume
3.7398049740998E+24
Space diagonal
268850147.44666
Perimeter
465662115
Area
1.0432777356506E+16
Altitude
134425073.72333
Surface area
1.0432777356506E+16
Volume
4.4074024291686E+23
Height
73171742.057371