807242157940

Names of 807242157940

• Cardinal: 807242157940 can be written as Eight hundred seven billion, two hundred forty-two million, one hundred fifty-seven thousand, nine hundred forty.

Scientific notation

• Scientific notation: 8.0724215794 × 10¹¹

Factors of 807242157940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 414

Divisors of 807242157940

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 10 17 20 34 37 68 74 85 148 170 185 289 340 353 370 578 629 706 740 1156 1258 1369 1412 1445 1765 2516 2738 2890 3145 3530 4913 5476 5780 6001 6290 6845 7060 9826 10693 12002 12580 13061 13690 19652 21386 23273 24004 24565 26122 27380 30005 42772 46546 49130 52244 53465 60010 65305 83521 93092 98260 102017 106930 116365 120020 130610 167042 181781 204034 213860 222037 232730 261220 334084 363562 395641 408068 417605 444074 465460 483257 510085 727124 791282 835210 888148 908905 966514 1020170 1110185 1582564 1670420 1734289 1817810 1933028 1978205 2040340 2220370 2416285 3090277 3468578 3635620 3774629 3956410 4440740 4832570 6180554 6725897 6937156 7549258 7912820 8215369 8671445 9665140 12361108 13451794 15098516 15451385 16430738 17342890 18873145 26903588 29482913 30902770 32861476 33629485 34685780 37746290 41076845 58965826 61805540 64168693 67258970 75492580 82153690 114340249 117931652 128337386 134517940 139661273 147414565 164307380 228680498 256674772 279322546 294829130 320843465 457360996 558645092 571701245 589658260 641686930 698306365 1090867781 1143402490 1283373860 1396612730 2181735562 2286804980 2374241641 2793225460 4363471124 4748483282 5454338905 9496966564 10908677810 11871208205 21817355620 23742416410 40362107897 47484832820 80724215794 161448431588 201810539485 403621078970 807242157940
• Sum of all divisors σ(n): 1856397471516
• Sum of proper divisors (its aliquot sum) s(n): 1049155313576
• 807242157940 is an abundant number, because the sum of its proper divisors (1049155313576) is greater than itself. Its abundance is 241913155636

Bases of 807242157940

• Binary: 1011101111110011011000011100111101110100₂
• Hexadecimal: 0xBBF361CF74
• Base-36: AAUB4ZG4

Squares and roots of 807242157940

• 807242157940 squared (807242157940²) is 651639901555627905043600
• 807242157940 cubed (807242157940³) is 526031200331574233019077073786184000
• The square root of 807242157940 is 898466.5591662273
• The cube root of 807242157940 is 9311.1061594597

Scales and comparisons

• 807,242,157,940 seconds is equal to 25,667 years, 41 weeks, 5 days, 12 hours, 45 minutes, 40 seconds.
• To count from 1 to 807,242,157,940 would take you about fifty-one thousand, three hundred thirty-five 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 807242157940 cubic inches would be around 775.9 feet tall.

Recreational maths with 807242157940

• 807242157940 backwards is 049751242708
• The number of decimal digits it has is: 12
• The sum of 807242157940's digits is 49
• More coming soon!