8138668032

Names of 8138668032

• Cardinal: 8138668032 can be written as Eight billion, one hundred thirty-eight million, six hundred sixty-eight thousand and thirty-two.

Scientific notation

• Scientific notation: 8.138668032 × 10⁹

Factors of 8138668032

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 446

Divisors of 8138668032

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 128 132 137 144 176 192 198 256 264 274 288 293 352 384 396 411 512 528 548 576 586 704 768 792 822 879 1024 1056 1096 1152 1172 1233 1408 1507 1536 1584 1644 1758 2048 2112 2192 2304 2344 2466 2637 2816 3014 3072 3168 3223 3288 3516 4224 4384 4521 4608 4688 4932 5274 5632 6028 6144 6336 6446 6576 7032 8448 8768 9042 9216 9376 9669 9864 10548 11264 12056 12672 12892 13152 13563 14064 16896 17536 18084 18432 18752 19338 19728 21096 22528 24112 25344 25784 26304 27126 28128 29007 33792 35072 36168 37504 38676 39456 40141 42192 48224 50688 51568 52608 54252 56256 58014 67584 70144 72336 75008 77352 78912 80282 84384 96448 101376 103136 105216 108504 112512 116028 120423 140288 144672 150016 154704 157824 160564 168768 192896 202752 206272 210432 217008 225024 232056 240846 280576 289344 300032 309408 315648 321128 337536 361269 385792 412544 420864 434016 441551 450048 464112 481692 578688 600064 618816 631296 642256 675072 722538 771584 825088 841728 868032 883102 900096 928224 963384 1157376 1237632 1262592 1284512 1324653 1350144 1445076 1543168 1650176 1736064 1766204 1800192 1856448 1926768 2314752 2475264 2525184 2569024 2649306 2700288 2890152 3086336 3300352 3472128 3532408 3712896 3853536 3973959 4629504 4950528 5138048 5298612 5400576 5780304 6600704 6944256 7064816 7425792 7707072 7947918 9259008 9901056 10276096 10597224 11560608 13888512 14129632 14851584 15414144 15895836 19802112 20552192 21194448 23121216 27777024 28259264 29703168 30828288 31791672 41104384 42388896 46242432 56518528 59406336 61656576 63583344 82208768 84777792 92484864 113037056 123313152 127166688 169555584 184969728 226074112 246626304 254333376 339111168 369939456 452148224 508666752 678222336 739878912 904296448 1017333504 1356444672 2034667008 2712889344 4069334016 8138668032
• Sum of all divisors σ(n): 25918205040
• Sum of proper divisors (its aliquot sum) s(n): 17779537008
• 8138668032 is an abundant number, because the sum of its proper divisors (17779537008) is greater than itself. Its abundance is 9640868976

Bases of 8138668032

• Binary: 111100101000110100011100000000000₂
• Hexadecimal: 0x1E51A3800
• Base-36: 3QLJWG0

Squares and roots of 8138668032

• 8138668032 squared (8138668032²) is 66237917335098753024
• 8138668032 cubed (8138668032³) is 539088420321426852799492128768
• The square root of 8138668032 is 90214.5666286769
• The cube root of 8138668032 is 2011.4895381953

Scales and comparisons

• 8,138,668,032 seconds is equal to 258 years, 40 weeks, 5 days, 13 hours, 7 minutes, 12 seconds.
• To count from 1 to 8,138,668,032 would take you about five hundred seventeen 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 8138668032 cubic inches would be around 167.6 feet tall.

Recreational maths with 8138668032

• 8138668032 backwards is 2308668318
• The number of decimal digits it has is: 10
• The sum of 8138668032's digits is 45
• More coming soon!