154421891 is an odd 9-digits composite number following 154421890
and preceding 154421892 . In scientific notation, it is written as 1.54421891 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors.
There are 142543128 positive integers (up to 154421891) that are relatively prime to 154421891.
154421891 has 6 divisors, whose sum is 167214420
The reverse of 154421891 is 198124451
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred fifty-four million four hundred twenty-one thousand eight hundred ninety-one
Scientific notation
1.54421891 × 10^8
Engineering notation
1.54421891 × 10^6
Prime Factorization
13 × 13 × 913739
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
11878607
Product of the distinct prime numbers
The prime factorization of 154421891 is 13 × 13 × 913739.
Since it has a total of 3 prime factors.
10 , 1 , 64 , 11 , 647 , 755 , 9148 , 1252 , 24889 , 82383 , 297542 , 937463 , 3848482 , 7213792 , 12599845 , 45966619 , 860140391 , 669261160 , 3517710584 , 5869484484
n×2
308843782
n×3
463265673
n×4
617687564
n×5
772109455
n÷2
77210945.5
n÷3
51473963.666667
n÷3
38605472.75
n÷5
30884378.2
n2
23846120420015881
n3
3.6823630082726E+24
n4
5.686374590859E+32
n5
8.781007172548E+40
2 √n
12426.660492667
3 √n
536.49987130811
4 √n
111.47493212676
5 √n
43.425194596174
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-154421890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 154421891 can be divided by 6 positive divisors.
The sum of these divisors (counting 154421891) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001001101000100101010000011
3
Ternary
101202120110000022
4
Quaternary
21031010222003
5
Quinary
304013000031
6
Senary
23153444055
8
Octal
1115045203
10
Decimal
154421891
12
Duodecimal
4387062b
16
Hexadecimal
9344a83
20
Vigesimal
2852eeb
36
Base36
2jxsoz
md5
4ebfbfb76e4a799ba4373f2ea125623e
sha1
9ffaec1a0f45ad8974d2551d111d1ad47e4d3914
sha256
d1401b274bdf1ffdc7a3fba61d76b92202bbc5179e856f6bb5f0e6d164348208
sha512
7bcdf0d430b305695dd955c2b76cf1e31317a34234d2292ccbf094fda7382bbf130078eb3eca00cf925d1bd9fb989b2c544c5acd6a53a11cd69a30dc0c98757d
ripemd-160
93c953fbba50e78eaf91a0e91dceb3fc7e655811
Diameter
308843782
Circumference
970261356.63809
Area
7.4914796728139E+16
Volume
1.542464609952E+25
Surface area
2.9965918691256E+17
Circumference
970261356.63809
Perimeter
617687564
Area
23846120420015881
Diagonal
218385532.5795
Surface area
143076722520095286
Volume
3.6823630082726E+24
Space diagonal
267466561.01286
Perimeter
463265673
Area
1.0325673032718E+16
Altitude
133733280.50643
Surface area
1.0325673032718E+16
Volume
4.3397064232334E+23
Height
72795177.5265