61902021 is an odd 8-digits composite number following 61902020
and preceding 61902022 . In scientific notation, it is written as 6.1902021 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 40777344 positive integers (up to 61902021) that are relatively prime to 61902021.
61902021 has 16 divisors, whose sum is 83524544
The reverse of 61902021 is 12020916
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
sixty-one million nine hundred two thousand twenty-one
Scientific notation
6.1902021 × 10^7
Engineering notation
6.1902021 × 10^6
Prime Factorization
3 × 457 × 163 × 277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
61902021
Product of the distinct prime numbers
The prime factorization of 61902021 is 3 × 457 × 163 × 277.
Since it has a total of 4 prime factors.
5 , 5 , 30 , 11 , 868 , 16 , 7925 , 2953 , 99085 , 81882 , 187150 , 236136 , 9342668 , 5188705 , 32960288 , 54124541 , 905517681 , 437177692 , 6535209254 , 2832539566
n×2
123804042
n×3
185706063
n×4
247608084
n×5
309510105
n÷2
30951010.5
n÷3
20634007
n÷3
15475505.25
n÷5
12380404.2
n2
3831860203884441
n3
2.3719989080992E+23
n4
1.4683152622113E+31
n5
9.0891682196026E+38
2 √n
7867.7837413086
3 √n
395.58056165762
4 √n
88.700528416175
5 √n
36.169371781287
1 , 3 , 163 , 277 , 457 , 489 , 831 , 1371 , 45151 , 74491 , 126589 , 135453 , 223473 , 379767 , 20634007 , 61902021
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-61902020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 61902021 can be divided by 16 positive divisors.
The sum of these divisors (counting 61902021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11101100001000110011000101
3
Ternary
11022110221121110
4
Quaternary
3230020303011
5
Quinary
111321331041
6
Senary
10050435233
8
Octal
354106305
10
Decimal
61902021
12
Duodecimal
18892b19
16
Hexadecimal
3b08cc5
20
Vigesimal
j6hf11
36
Base36
10urwl
md5
9ba4c6cf45f724459d542d2512409c08
sha1
81d7da1a4753de59ddd80d4d9df786a173aa3214
sha256
bd9f6f279dbf2a01acd3d3c9b4595a540bb43c626f414f8a0707ae5747f1ba39
sha512
9474f27318bff8caa5ca68525baac681d22199d4ccb765381bada8334836801bad820818da635c417d2eea8c3216d4c61888837474ba2ef47f950a694b691e10
ripemd-160
47f28190cd0be2c701836fd07c8cc8a49bc6146f
Diameter
123804042
Circumference
388941868.83192
Area
1.2038143866106E+16
Volume
9.9358057920099E+23
Surface area
4.8152575464426E+16
Circumference
388941868.83192
Perimeter
247608084
Area
3831860203884441
Diagonal
87542677.636504
Surface area
22991161223306646
Volume
2.3719989080992E+23
Space diagonal
107217445.4632
Perimeter
185706063
Area
1.6592441401573E+15
Altitude
53608722.731598
Surface area
1.6592441401573E+15
Volume
2.7954275214734E+22
Height
29180892.545501