155213872 is an even 9-digits composite number following 155213871
and preceding 155213873 . In scientific notation, it is written as 1.55213872 × 10^8.
The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors.
There are 70551680 positive integers (up to 155213872) that are relatively prime to 155213872.
155213872 has 20 divisors, whose sum is 328066056
The reverse of 155213872 is 278312551
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred fifty-five million two hundred thirteen thousand eight hundred seventy-two
Scientific notation
1.55213872 × 10^8
Engineering notation
1.55213872 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 11 × 881897
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
19401734
Product of the distinct prime numbers
The prime factorization of 155213872 is 2 × 2 × 2 × 2 × 11 × 881897.
Since it has a total of 6 prime factors.
7 , 9 , 53 , 54 , 109 , 813 , 7969 , 880 , 55283 , 65604 , 979825 , 720709 , 7928193 , 2307820 , 81096017 , 81030618 , 615090980 , 129508039 , 9267906288 , 7676790842
n×2
310427744
n×3
465641616
n×4
620855488
n×5
776069360
n÷2
77606936
n÷3
51737957.333333
n÷3
38803468
n÷5
31042774.4
n2
24091346061232384
n3
3.7393111038558E+24
n4
5.8039295504206E+32
n5
9.00850378336E+40
2 √n
12458.485943324
3 √n
537.4154871271
4 √n
111.61758796589
5 √n
43.469646313512
1 , 2 , 4 , 8 , 11 , 16 , 22 , 44 , 88 , 176 , 881897 , 1763794 , 3527588 , 7055176 , 9700867 , 14110352 , 19401734 , 38803468 , 77606936 , 155213872
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
-155213871
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 155213872 can be divided by 20 positive divisors.
The sum of these divisors (counting 155213872) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001010000000110000000110000
3
Ternary
101211001200101221
4
Quaternary
21100012000300
5
Quinary
304213320442
6
Senary
23222434424
8
Octal
1120060060
10
Decimal
155213872
12
Duodecimal
43b92a14
16
Hexadecimal
9406030
20
Vigesimal
28a1edc
36
Base36
2kersg
md5
93f39ec73ac8e0f35b91e9218b87b90e
sha1
f833c34c76b903a9721d93f1e9c626ccd175165e
sha256
6d2a4eabec6ce4f86767b26f33fa39ffd13ac6feb11894406219e9d5dcb21609
sha512
2daff268fe5910e75c519e0761cbad4f2871fe3b30de94ca7ca6de611a0eda28810fd3f4cf6739d086c95486610acd7a41e18412b0185ca303b2d355fb20c40a
ripemd-160
7444a82b24ab548cbbf53b687c8fdcbe3b499b0d
Diameter
310427744
Circumference
975237520.02085
Area
7.5685195801057E+16
Volume
1.566318972448E+25
Surface area
3.0274078320423E+17
Circumference
975237520.02085
Perimeter
620855488
Area
24091346061232384
Diagonal
219505562.85084
Surface area
144548076367394304
Volume
3.7393111038558E+24
Space diagonal
268838312.34349
Perimeter
465641616
Area
1.0431858850195E+16
Altitude
134419156.17175
Surface area
1.0431858850195E+16
Volume
4.4068203975044E+23
Height
73168520.950281