149042021 is an odd 9-digits composite number following 149042020
and preceding 149042022 . In scientific notation, it is written as 1.49042021 × 10^8.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 147246252 positive integers (up to 149042021) that are relatively prime to 149042021.
149042021 has 4 divisors, whose sum is 150837792
The reverse of 149042021 is 120240941
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 23
Digital Root 5
Name
one hundred forty-nine million forty-two thousand twenty-one
Scientific notation
1.49042021 × 10^8
Engineering notation
1.49042021 × 10^6
Prime Factorization
83 × 1795687
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
149042021
Product of the distinct prime numbers
The prime factorization of 149042021 is 83 × 1795687.
Since it has a total of 2 prime factors.
3 , 3 , 17 , 25 , 943 , 48 , 615 , 8826 , 49749 , 16213 , 656928 , 22126 , 3383493 , 9414002 , 14533514 , 14069751 , 806333199 , 982565231 , 8819063813 , 4687317458
n×2
298084042
n×3
447126063
n×4
596168084
n×5
745210105
n÷2
74521010.5
n÷3
49680673.666667
n÷3
37260505.25
n÷5
29808404.2
n2
22213524023764441
n3
3.3107485140339E+24
n4
4.9344064955436E+32
n5
7.3543391653135E+40
2 √n
12208.276741621
3 √n
530.19575182822
4 √n
110.49107086829
5 √n
43.118311551137
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-149042020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 149042021 can be divided by 4 positive divisors.
The sum of these divisors (counting 149042021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111000100011001101100101
3
Ternary
101101110010012212
4
Quaternary
20320203031211
5
Quinary
301123321041
6
Senary
22442253205
8
Octal
1070431545
10
Decimal
149042021
12
Duodecimal
41ab7205
16
Hexadecimal
8e23365
20
Vigesimal
26ba511
36
Base36
2gqhk5
md5
2e1a344a8b34fcfacd7ec146a422db2a
sha1
d17eb2b4824b92a9cb42f35a54e8b69fe6667789
sha256
3172a38c41641bdef2ab634b4d73e38cf2abca5d97a36a48a0c007cd42a80194
sha512
0b8c552092686a8df64e44450ee7e625351a5129a77de7069f7f6b048f89f5348a3fdda30b7b2ea24729d2086548372b51b5b9776ca3af65ca3e825239d4d7ec
ripemd-160
36eac347438d5137ec7b48879f0492af7ee1ab7c
Diameter
298084042
Circumference
936458636.49955
Area
6.9785843883399E+16
Volume
1.3868030946096E+25
Surface area
2.7914337553359E+17
Circumference
936458636.49955
Perimeter
596168084
Area
22213524023764441
Diagonal
210777247.4617
Surface area
133281144142586646
Volume
3.3107485140339E+24
Space diagonal
258148352.83475
Perimeter
447126063
Area
9.618738056078E+15
Altitude
129074176.41737
Surface area
9.618738056078E+15
Volume
3.9017545417944E+23
Height
70259082.487232