61438021 is an odd 8-digits prime number following 61438020
and preceding 61438022 . In scientific notation, it is written as 6.1438021 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 61438020 positive integers (up to 61438021) that are relatively prime to 61438021.
61438021 has 2 divisors, whose sum is 61438022
The reverse of 61438021 is 12083416
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
sixty-one million four hundred thirty-eight thousand twenty-one
Scientific notation
6.1438021 × 10^7
Engineering notation
6.1438021 × 10^6
Prime Factorization
61438021
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
61438021
Product of the distinct prime numbers
The prime factorization of 61438021 is 61438021.
Since it has a total of 1 prime factors.
1 , 7 , 64 , 27 , 775 , 537 , 3431 , 7860 , 26679 , 36200 , 335942 , 64554 , 7508258 , 9437329 , 29978951 , 25784787 , 510587230 , 267806210 , 836658776 , 5898476902
n×2
122876042
n×3
184314063
n×4
245752084
n×5
307190105
n÷2
30719010.5
n÷3
20479340.333333
n÷3
15359505.25
n÷5
12287604.2
n2
3774630424396441
n3
2.3190582328131E+23
n4
1.4247834840779E+31
n5
8.7535877615233E+38
2 √n
7838.2409378635
3 √n
394.58969518619
4 √n
88.533840636581
5 √n
36.114985398596
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
61438022
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
30719011
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
7838.2410016534
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999674469
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61438021 can be divided by 2 positive divisors.
The sum of these divisors (counting 61438021) is 61438022, the average is 30719011.
Base
System
Value
2
Binary
11101010010111100001000101
3
Ternary
11021121101010021
4
Quaternary
3222113201011
5
Quinary
111212004041
6
Senary
10032455141
8
Octal
352274105
10
Decimal
61438021
12
Duodecimal
186aa4b1
16
Hexadecimal
3a97845
20
Vigesimal
j3jf11
36
Base36
10ktvp
md5
1a8858e2a8f13da485342e06bc02e30c
sha1
616bf45e93deb3fe199c08923bbcbf4cc78b96c5
sha256
9dec3a200a7a30eb5f8738fa12deef0734799358356e5c3f26edf9913f3d9450
sha512
0053f8e23c780bbd777454553729aa7920ea0da575b11e5e3d357041994f89143a321c428bd68b49dd953fbfe7e65c2a08de6bce548629f53674da6369c586de
ripemd-160
30ed76454c55aa5a7183cc0fbaea25e750ed63b3
Diameter
122876042
Circumference
386026470.84939
Area
1.18583512113E+16
Volume
9.7140484099366E+23
Surface area
4.7433404845202E+16
Circumference
386026470.84939
Perimeter
245752084
Area
3774630424396441
Diagonal
86886482.543563
Surface area
22647782546378646
Volume
2.3190582328131E+23
Space diagonal
106413773.88848
Perimeter
184314063
Area
1.6344629187125E+15
Altitude
53206886.944242
Surface area
1.6344629187125E+15
Volume
2.7330363373144E+22
Height
28962160.847854