66828677640

Names of 66828677640

• Cardinal: 66828677640 can be written as Sixty-six billion, eight hundred twenty-eight million, six hundred seventy-seven thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.682867764 × 10¹⁰

Factors of 66828677640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 835003

Divisors of 66828677640

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 23 24 29 30 40 46 58 60 69 87 92 115 116 120 138 145 174 184 230 232 276 290 345 348 435 460 552 580 667 690 696 870 920 1160 1334 1380 1740 2001 2668 2760 3335 3480 4002 5336 6670 8004 10005 13340 16008 20010 26680 40020 80040 834941 1669882 2504823 3339764 4174705 5009646 6679528 8349410 10019292 12524115 16698820 19203643 20038584 24213289 25048230 33397640 38407286 48426578 50096460 57610929 72639867 76814572 96018215 96853156 100192920 115221858 121066445 145279734 153629144 192036430 193706312 230443716 242132890 288054645 290559468 363199335 384072860 460887432 484265780 556905647 576109290 581118936 726398670 768145720 968531560 1113811294 1152218580 1452797340 1670716941 2227622588 2304437160 2784528235 2905594680 3341433882 4455245176 5569056470 6682867764 8353584705 11138112940 13365735528 16707169410 22276225880 33414338820 66828677640
• Sum of all divisors σ(n): 216416966400
• Sum of proper divisors (its aliquot sum) s(n): 149588288760
• 66828677640 is an abundant number, because the sum of its proper divisors (149588288760) is greater than itself. Its abundance is 82759611120

Bases of 66828677640

• Binary: 111110001111010011001011001000001000₂
• Hexadecimal: 0xF8F4CB208
• Base-36: UP82HOO

Squares and roots of 66828677640

• 66828677640 squared (66828677640²) is 4466072155111035969600
• 66828677640 cubed (66828677640³) is 298461696370895501218843239744000
• The square root of 66828677640 is 258512.4322735755
• The cube root of 66828677640 is 4058.0832848041

Scales and comparisons

• 66,828,677,640 seconds is equal to 2,124 years, 49 weeks, 1 day, 1 hour, 34 minutes.
• To count from 1 to 66,828,677,640 would take you about four thousand, two hundred forty-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 66828677640 cubic inches would be around 338.2 feet tall.

Recreational maths with 66828677640

• 66828677640 backwards is 04677682866
• 66828677640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 66828677640's digits is 60
• More coming soon!