78393274226949420

Names of 78393274226949420

• Cardinal: 78393274226949420 can be written as Seventy-eight quadrillion, three hundred ninety-three trillion, two hundred seventy-four billion, two hundred twenty-six million, nine hundred forty-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 7.839327422694942 × 10¹⁶

Factors of 78393274226949420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4893462810770

Divisors of 78393274226949420

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 89 90 178 180 267 356 445 534 801 890 1068 1335 1602 1780 2670 3204 4005 5340 8010 16020 4893462810671 9786925621342 14680388432013 19573851242684 24467314053355 29360776864026 44041165296039 48934628106710 58721553728052 73401942160065 88082330592078 97869256213420 146803884320130 176164661184156 220205826480195 293607768640260 435518190149719 440411652960390 871036380299438 880823305920780 1306554570449157 1742072760598876 2177590950748595 2613109140898314 3919663711347471 4355181901497190 5226218281796628 6532772852245785 7839327422694942 8710363802994380 13065545704491570 15678654845389884 19598318556737355 26131091408983140 39196637113474710 78393274226949420
• Sum of all divisors σ(n): 240464762516422080
• Sum of proper divisors (its aliquot sum) s(n): 162071488289472660
• 78393274226949420 is an abundant number, because the sum of its proper divisors (162071488289472660) is greater than itself. Its abundance is 83678214062523240

Bases of 78393274226949420

• Binary: 100010110100000100100010001111111000100111011110100101100₂
• Hexadecimal: 0x11682447F13BD2C
• Base-36: LFW3H0CD6B0

Squares and roots of 78393274226949420

• 78393274226949420 squared (78393274226949420²) is 6145505444021692183908199238336400
• 78393274226949420 cubed (78393274226949420³) is 481766293536403073444339362293995859758487744888000
• The square root of 78393274226949420 is 279987989.4333851957
• The cube root of 78393274226949420 is 427982.7529424233

Scales and comparisons

• 78,393,274,226,949,420 seconds is equal to 2,492,663,634 years, 5 weeks, 21 hours, 57 minutes.
• To count from 1 to 78,393,274,226,949,420 would take you about seven billion, four hundred seventy-seven million, nine hundred ninety thousand, nine hundred two 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 78393274226949420 cubic inches would be around 35665.2 feet tall.

Recreational maths with 78393274226949420

• 78393274226949420 backwards is 02494962247239387
• The number of decimal digits it has is: 17
• The sum of 78393274226949420's digits is 81
• More coming soon!