65728323840

Names of 65728323840

• Cardinal: 65728323840 can be written as Sixty-five billion, seven hundred twenty-eight million, three hundred twenty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.572832384 × 10¹⁰

Factors of 65728323840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 572

Divisors of 65728323840

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 71 80 96 120 128 142 160 192 213 240 256 284 320 355 384 426 480 491 568 640 710 768 852 960 982 1065 1136 1280 1420 1473 1704 1920 1964 2130 2272 2455 2840 2946 3408 3840 3928 4260 4544 4910 5680 5892 6816 7365 7856 8520 9088 9820 11360 11784 13632 14730 15712 17040 18176 19640 22720 23568 27264 29460 31424 34080 34861 39280 45440 47136 54528 58920 62848 68160 69722 78560 90880 94272 104583 117840 125696 136320 139444 157120 174305 188544 209166 235680 241081 272640 278888 314240 348610 377088 418332 471360 482162 522915 557776 628480 697220 723243 836664 942720 964324 1045830 1115552 1205405 1394440 1446486 1673328 1885440 1928648 2091660 2231104 2410810 2788880 2892972 3346656 3616215 3857296 4183320 4462208 4821620 5577760 5785944 6693312 7232430 7714592 8366640 8924416 9643240 11155520 11571888 13386624 14464860 15429184 16733280 17116751 19286480 22311040 23143776 26773248 28929720 30858368 33466560 34233502 38572960 44622080 46287552 51350253 57859440 61716736 66933120 68467004 77145920 85583755 92575104 102700506 115718880 133866240 136934008 154291840 171167510 185150208 205401012 231437760 256751265 273868016 308583680 342335020 410802024 462875520 513502530 547736032 684670040 821604048 925751040 1027005060 1095472064 1369340080 1643208096 2054010120 2190944128 2738680160 3286416192 4108020240 4381888256 5477360320 6572832384 8216040480 10954720640 13145664768 16432080960 21909441280 32864161920 65728323840
• Sum of all divisors σ(n): 213310891584
• Sum of proper divisors (its aliquot sum) s(n): 147582567744
• 65728323840 is an abundant number, because the sum of its proper divisors (147582567744) is greater than itself. Its abundance is 81854243904

Bases of 65728323840

• Binary: 111101001101101101101010000100000000₂
• Hexadecimal: 0xF4DB6A100
• Base-36: U70Y39C

Squares and roots of 65728323840

• 65728323840 squared (65728323840²) is 4320212554815912345600
• 65728323840 cubed (65728323840³) is 283960329860574038236650799104000
• The square root of 65728323840 is 256375.3573181323
• The cube root of 65728323840 is 4035.6874021007

Scales and comparisons

• 65,728,323,840 seconds is equal to 2,089 years, 49 weeks, 5 days, 11 hours, 44 minutes.
• To count from 1 to 65,728,323,840 would take you about four thousand, one hundred seventy-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 65728323840 cubic inches would be around 336.3 feet tall.

Recreational maths with 65728323840

• 65728323840 backwards is 04832382756
• 65728323840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 65728323840's digits is 48
• More coming soon!