155805220 is an even 9-digits composite number following 155805219
and preceding 155805221 . In scientific notation, it is written as 1.55805220 × 10^8.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 59612256 positive integers (up to 155805220) that are relatively prime to 155805220.
155805220 has 24 divisors, whose sum is 341417664
The reverse of 155805220 is 022508551
Previous prime number is 23
Is Prime? no Number parity even Number length 9 Sum of Digits 28 Digital Root 1
Name
one hundred fifty-five million eight hundred five thousand two hundred twenty
Scientific notation
1.55805220 × 10^8
Engineering notation
1.55805220 × 10^6
Prime Factorization
2 × 2 × 5 × 23 × 338707
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
77902610 Product of the distinct prime numbers
The prime factorization of 155805220 is 2 × 2 × 5 × 23 × 338707.
Since it has a total of 5 prime factors.
6 , 8 , 62 , 65 , 934 , 892 , 9178 , 3818 , 67597 , 80442 , 332212 , 405991 , 3277942 , 4167607 , 92684160 , 28493976 , 10332218 , 889909400 , 87537765 , 3559338066
n×2
311610440
n×3
467415660
n×4
623220880
n×5
779026100
n÷2
77902610
n÷3
51935073.333333
n÷3
38951305
n÷5
31161044
n2
24275266579248400
n3
3.7822132499384E+24
n4
5.8928856749357E+32
n5
9.1814234901821E+40
2 √n12482.196120876
3 √n538.0971204277
4 √n111.72374913543
5 √n43.502718877242
1 , 2 , 4 , 5 , 10 , 20 , 23 , 46 , 92 , 115 , 230 , 460 , 338707 , 677414 , 1354828 , 1693535 , 3387070 , 6774140 , 7790261 , 15580522 , 31161044 , 38951305 , 77902610 , 155805220
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-155805219 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155805220 can be divided by 24 positive divisors.
The sum of these divisors (counting 155805220) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001010010010110011000100100
3
Ternary
101212011201120201
4
Quaternary
21102112120210
5
Quinary
304341231340
6
Senary
23243240244
8
Octal
1122263044
10
Decimal
155805220
12
Duodecimal
44219084
16
Hexadecimal
9496624
20
Vigesimal
28dfd10
36
Base36
2krg2s
md5
96d56e578f4a6ff657de7bcc3dc8cb50
sha1
d9bb40784201b33f09bbc1d2ed6a2fcd3bbf3995
sha256
8d53939ba8bcd78cf7792fcc007026bb72993afe3e891ebae44febf22bc09d55
sha512
5d5466c7a76ff21be5a6e18a1e1564093143edd1583671672cf42097b8e2179f86106637ee3e1ed0c53c696e4b683dc20a0df6f4c99c6fff163289f469b86e78
ripemd-160
1291fd4a67ef75cc31d6b57e59cb337fffca3989
Diameter
311610440
Circumference
978953069.08588
Area
7.6262999149301E+16
Volume
1.5842897813755E+25
Surface area
3.050519965972E+17
Circumference
978953069.08588
Perimeter
623220880
Area
24275266579248400
Diagonal
220341855.21252
Surface area
145651599475490400
Volume
3.7822132499384E+24
Space diagonal
269862557.12445
Perimeter
467415660
Area
1.0511498770634E+16
Altitude
134931278.56222
Surface area
1.0511498770634E+16
Volume
4.4573810615418E+23
Height
73447285.070841