64645087 is an odd 8-digits composite number following 64645086
and preceding 64645088 . In scientific notation, it is written as 6.4645087 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 56531520 positive integers (up to 64645087) that are relatively prime to 64645087.
64645087 has 8 divisors, whose sum is 73282160
The reverse of 64645087 is 78054646
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-four million six hundred forty-five thousand eighty-seven
Scientific notation
6.4645087 × 10^7
Engineering notation
6.4645087 × 10^6
Prime Factorization
13 × 19 × 261721
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64645087
Product of the distinct prime numbers
The prime factorization of 64645087 is 13 × 19 × 261721.
Since it has a total of 3 prime factors.
4 , 8 , 80 , 65 , 696 , 829 , 7799 , 7490 , 57697 , 72049 , 298649 , 398449 , 5577217 , 1942562 , 68822612 , 82629316 , 520675751 , 225400938 , 1795794544 , 2808656862
n×2
129290174
n×3
193935261
n×4
258580348
n×5
323225435
n÷2
32322543.5
n÷3
21548362.333333
n÷3
16161271.75
n÷5
12929017.4
n2
4178987273237569
n3
2.7015099585034E+23
n4
1.7463934629882E+31
n5
1.128957573511E+39
2 √n
8040.2168503094
3 √n
401.33944098815
4 √n
89.667256288511
5 √n
36.484391292211
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64645086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64645087 can be divided by 8 positive divisors.
The sum of these divisors (counting 64645087) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110110100110011111011111
3
Ternary
11111122022101111
4
Quaternary
3312212133133
5
Quinary
113022120322
6
Senary
10225322451
8
Octal
366463737
10
Decimal
64645087
12
Duodecimal
19796427
16
Hexadecimal
3da67df
20
Vigesimal
1040ce7
36
Base36
12hkgv
md5
75be8172a5c5e3e4306c79245885a170
sha1
bf702c4fa0cc300f9e128f876cab2fb04238309b
sha256
d19b9cbd5ccea007ba2b669f7b45580c87383e09ebf4096573e9a4a1eb18e2e0
sha512
a0f79e8334d8200b07b09d5ed9944472c01bed1b17022a3e2ceec4f4c00882d2de346e0f39cbf3fc3d77b831819587ce234f33b1767515e6b2c17316ce35c7be
ripemd-160
f4d4552524961bc7fac754957a9db48536c1acfc
Diameter
129290174
Circumference
406177060.81975
Area
1.3128675717048E+16
Volume
1.1316058452312E+24
Surface area
5.2514702868194E+16
Circumference
406177060.81975
Perimeter
258580348
Area
4178987273237569
Diagonal
91421958.776189
Surface area
25073923639425414
Volume
2.7015099585034E+23
Space diagonal
111968575.14371
Perimeter
193935261
Area
1.8095545703578E+15
Altitude
55984287.571855
Surface area
1.8095545703578E+15
Volume
3.1837600185012E+22
Height
30473986.25873