155105861 is an odd 9-digits prime number following 155105860
and preceding 155105862 . In scientific notation, it is written as 1.55105861 × 10^8.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 155105860 positive integers (up to 155105861) that are relatively prime to 155105861.
155105861 has 2 divisors, whose sum is 155105862
The reverse of 155105861 is 168501551
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred fifty-five million one hundred five thousand eight hundred sixty-one
Scientific notation
1.55105861 × 10^8
Engineering notation
1.55105861 × 10^6
Prime Factorization
155105861
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
155105861
Product of the distinct prime numbers
The prime factorization of 155105861 is 155105861.
Since it has a total of 1 prime factors.
6 , 4 , 22 , 43 , 222 , 908 , 707 , 9274 , 95259 , 33397 , 518490 , 402346 , 439475 , 2917575 , 13063911 , 328720 , 888194494 , 701658530 , 7058689126 , 6973431058
n×2
310211722
n×3
465317583
n×4
620423444
n×5
775529305
n÷2
77552930.5
n÷3
51701953.666667
n÷3
38776465.25
n÷5
31021172.2
n2
24057828116551321
n3
3.7315101438077E+24
n4
5.7877909368553E+32
n5
8.9772029654893E+40
2 √n
12454.150352393
3 √n
537.29079841368
4 √n
111.59816464617
5 √n
43.463594654107
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
155105862
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
77552931
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12454.15039254
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999871056
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155105861 can be divided by 2 positive divisors.
The sum of these divisors (counting 155105861) is 155105862, the average is 77552931.
Base
System
Value
2
Binary
1001001111101011101001000101
3
Ternary
101210212012020112
4
Quaternary
21033223221011
5
Quinary
304201341421
6
Senary
23220242405
8
Octal
1117535105
10
Decimal
155105861
12
Duodecimal
43b40405
16
Hexadecimal
93eba45
20
Vigesimal
28984d1
36
Base36
2kcgg5
md5
9ec94f5c653c5490cb89e6e3c6f4a23b
sha1
41d723754f28d39e8752274769c1ccbbf5e6f89c
sha256
4ba3af173552b00d7c51c27266992db31407a7b34a281a00bc41659395d38b68
sha512
64a94644ae13e3fe4db0d3af05c88f7c284d286e4d9025f4488c9b8130be491bc77e331fdb3e5ec07b157ae901c5221da054530334ad1ca526261ee86e16beb5
ripemd-160
1f52c84f94beddd1221044e36252683627e43cd5
Diameter
310211722
Circumference
974558866.89264
Area
7.5579896072284E+16
Volume
1.5630513139443E+25
Surface area
3.0231958428913E+17
Circumference
974558866.89264
Perimeter
620423444
Area
24057828116551321
Diagonal
219352812.22976
Surface area
144346968699307926
Volume
3.7315101438077E+24
Space diagonal
268651231.80372
Perimeter
465317583
Area
1.0417345154406E+16
Altitude
134325615.90186
Surface area
1.0417345154406E+16
Volume
4.3976268779214E+23
Height
73117604.076585