668798357040

Names of 668798357040

• Cardinal: 668798357040 can be written as Six hundred sixty-eight billion, seven hundred ninety-eight million, three hundred fifty-seven thousand and forty.

Scientific notation

• Scientific notation: 6.6879835704 × 10¹¹

Factors of 668798357040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 9382714

Divisors of 668798357040

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 33 36 40 44 45 48 54 55 60 66 72 80 81 88 90 99 108 110 120 132 135 144 162 165 176 180 198 216 220 240 264 270 297 324 330 360 396 405 432 440 495 528 540 594 648 660 720 792 810 880 891 990 1080 1188 1296 1320 1485 1584 1620 1782 1980 2160 2376 2640 2970 3240 3564 3960 4455 4752 5940 6480 7128 7920 8910 11880 14256 17820 23760 35640 71280 9382693 18765386 28148079 37530772 46913465 56296158 75061544 84444237 93826930 103209623 112592316 140740395 150123088 168888474 187653860 206419246 225184632 253332711 281480790 309628869 337776948 375307720 412838492 422221185 450369264 506665422 516048115 562961580 619257738 675553896 750615440 759998133 825676984 844442370 928886607 1013330844 1032096230 1125923160 1238515476 1266663555 1351107792 1519996266 1548144345 1651353968 1688884740 1857773214 2026661688 2064192460 2251846320 2477030952 2533327110 2786659821 3039992532 3096288690 3377769480 3715546428 3799990665 4053323376 4128384920 4644433035 4954061904 5066654220 5573319642 6079985064 6192577380 6755538960 7431092856 7599981330 8256769840 8359979463 9288866070 10133308440 11146639284 12159970128 12385154760 13933299105 14862185712 15199962660 16719958926 18577732140 20266616880 22293278568 24770309520 27866598210 30399925320 33439917852 37155464280 41799897315 44586557136 55733196420 60799850640 66879835704 74310928560 83599794630 111466392840 133759671408 167199589260 222932785680 334399178520 668798357040
• Sum of all divisors σ(n): 2534002933968
• Sum of proper divisors (its aliquot sum) s(n): 1865204576928
• 668798357040 is an abundant number, because the sum of its proper divisors (1865204576928) is greater than itself. Its abundance is 1196406219888

Bases of 668798357040

• Binary: 1001101110110111011111010000111000110000₂
• Hexadecimal: 0x9BB77D0E30
• Base-36: 8J8P9V00

Squares and roots of 668798357040

• 668798357040 squared (668798357040²) is 447291242379403317561600
• 668798357040 cubed (668798357040³) is 299147648021725359120723458993664000
• The square root of 668798357040 is 817800.9275123133
• The cube root of 668798357040 is 8745.1057561889

Scales and comparisons

• 668,798,357,040 seconds is equal to 21,265 years, 37 weeks, 2 days, 17 hours, 24 minutes.
• To count from 1 to 668,798,357,040 would take you about forty-two thousand, five hundred thirty-one 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 668798357040 cubic inches would be around 728.8 feet tall.

Recreational maths with 668798357040

• 668798357040 backwards is 040753897866
• The number of decimal digits it has is: 12
• The sum of 668798357040's digits is 63
• More coming soon!