6440484864

Names of 6440484864

• Cardinal: 6440484864 can be written as Six billion, four hundred forty million, four hundred eighty-four thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 6.440484864 × 10⁹

Factors of 6440484864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 1505

Divisors of 6440484864

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 512 528 704 768 1024 1056 1408 1489 1536 2048 2112 2816 2978 3072 4096 4224 4467 5632 5956 6144 8192 8448 8934 11264 11912 12288 16379 16384 16896 17868 22528 23824 24576 32758 32768 33792 35736 45056 47648 49137 49152 65516 65536 67584 71472 90112 95296 98274 98304 131032 131072 135168 142944 180224 190592 196548 196608 262064 270336 285888 360448 381184 393096 393216 524128 540672 571776 720896 762368 786192 1048256 1081344 1143552 1441792 1524736 1572384 2096512 2162688 2287104 3049472 3144768 4193024 4325376 4574208 6098944 6289536 8386048 9148416 12197888 12579072 16772096 18296832 24395776 25158144 33544192 36593664 48791552 50316288 67088384 73187328 97583104 100632576 134176768 146374656 195166208 201265152 268353536 292749312 402530304 536707072 585498624 805060608 1073414144 1610121216 2146828288 3220242432 6440484864
• Sum of all divisors σ(n): 18748467360
• Sum of proper divisors (its aliquot sum) s(n): 12307982496
• 6440484864 is an abundant number, because the sum of its proper divisors (12307982496) is greater than itself. Its abundance is 5867497632

Bases of 6440484864

• Binary: 101111111111000100000000000000000₂
• Hexadecimal: 0x17FE20000
• Base-36: 2YIHXXC

Squares and roots of 6440484864

• 6440484864 squared (6440484864²) is 41479845283413098496
• 6440484864 cubed (6440484864³) is 267150315708883851122829164544
• The square root of 6440484864 is 80252.6315082565
• The cube root of 6440484864 is 1860.5421844067

Scales and comparisons

• 6,440,484,864 seconds is equal to 204 years, 40 weeks, 6 days, 15 hours, 34 minutes, 24 seconds.
• To count from 1 to 6,440,484,864 would take you about four hundred nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 6440484864 cubic inches would be around 155 feet tall.

Recreational maths with 6440484864

• 6440484864 backwards is 4684840446
• 6440484864 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6440484864's digits is 48
• More coming soon!