68006689920

Names of 68006689920

• Cardinal: 68006689920 can be written as Sixty-eight billion, six million, six hundred eighty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.800668992 × 10¹⁰

Factors of 68006689920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 976

Divisors of 68006689920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 64 65 72 78 80 90 96 104 117 120 128 130 144 156 160 180 192 195 208 234 240 260 288 312 320 360 384 390 416 468 480 520 576 585 624 640 720 780 832 936 953 960 1040 1152 1170 1248 1440 1560 1664 1872 1906 1920 2080 2340 2496 2859 2880 3120 3744 3812 4160 4680 4765 4992 5718 5760 6240 7488 7624 8320 8577 9360 9530 11436 12389 12480 14295 14976 15248 17154 18720 19060 22872 24778 24960 28590 30496 34308 37167 37440 38120 42885 45744 49556 57180 60992 61945 68616 74334 74880 76240 85770 91488 99112 111501 114360 121984 123890 137232 148668 152480 171540 182976 185835 198224 223002 228720 247780 274464 297336 304960 343080 365952 371670 396448 446004 457440 495560 548928 557505 594672 609920 686160 743340 792896 892008 908209 914880 991120 1097856 1115010 1189344 1372320 1486680 1585792 1784016 1816418 1829760 1982240 2230020 2378688 2724627 2744640 2973360 3568032 3632836 3964480 4460040 4541045 4757376 5449254 5489280 5946720 7136064 7265672 7928960 8173881 8920080 9082090 10898508 11806717 11893440 13623135 14272128 14531344 16347762 17840160 18164180 21797016 23613434 23786880 27246270 29062688 32695524 35420151 35680320 36328360 40869405 43594032 47226868 54492540 58125376 59033585 65391048 70840302 71360640 72656720 81738810 87188064 94453736 106260453 108985080 116250752 118067170 130782096 141680604 145313440 163477620 174376128 177100755 188907472 212520906 217970160 236134340 261564192 283361208 290626880 326955240 348752256 354201510 377814944 425041812 435940320 472268680 523128384 531302265 566722416 581253760 653910480 708403020 755629888 850083624 871880640 944537360 1046256768 1062604530 1133444832 1307820960 1416806040 1511259776 1700167248 1743761280 1889074720 2125209060 2266889664 2615641920 2833612080 3400334496 3778149440 4250418120 4533779328 5231283840 5667224160 6800668992 7556298880 8500836240 11334448320 13601337984 17001672480 22668896640 34003344960 68006689920
• Sum of all divisors σ(n): 253165528980
• Sum of proper divisors (its aliquot sum) s(n): 185158839060
• 68006689920 is an abundant number, because the sum of its proper divisors (185158839060) is greater than itself. Its abundance is 117152149140

Bases of 68006689920

• Binary: 111111010101100000111011110010000000₂
• Hexadecimal: 0xFD583BC80
• Base-36: V8PFDS0

Squares and roots of 68006689920

• 68006689920 squared (68006689920²) is 4624909873875029606400
• 68006689920 cubed (68006689920³) is 314524811700565447273264447488000
• The square root of 68006689920 is 260780.9232286749
• The cube root of 68006689920 is 4081.7889502053

Scales and comparisons

• 68,006,689,920 seconds is equal to 2,162 years, 20 weeks, 6 days, 11 hours, 12 minutes.
• To count from 1 to 68,006,689,920 would take you about four thousand, three hundred twenty-four 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 68006689920 cubic inches would be around 340.1 feet tall.

Recreational maths with 68006689920

• 68006689920 backwards is 02998660086
• The number of decimal digits it has is: 11
• The sum of 68006689920's digits is 54
• More coming soon!