991143144108

Names of 991143144108

• Cardinal: 991143144108 can be written as Nine hundred ninety-one billion, one hundred forty-three million, one hundred forty-four thousand, one hundred eight.

Scientific notation

• Scientific notation: 9.91143144108 × 10¹¹

Factors of 991143144108

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1775

Divisors of 991143144108

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 169 234 317 338 468 507 634 653 676 787 951 1014 1268 1306 1521 1574 1902 1959 2028 2361 2612 2853 3042 3148 3804 3918 4121 4722 5706 5877 6084 7083 7836 8242 8489 9444 10231 11412 11754 12363 14166 16484 16978 20462 23508 24726 25467 28332 30693 33956 37089 40924 49452 50934 53573 61386 74178 76401 92079 101868 107146 110357 122772 133003 148356 152802 160719 184158 207001 214292 220714 249479 266006 305604 321438 331071 368316 399009 414002 441428 482157 498958 513911 532012 621003 642876 662142 748437 798018 828004 964314 993213 997916 1027822 1197027 1242006 1324284 1496874 1541733 1596036 1863009 1928628 1986426 2055644 2245311 2394054 2484012 2691013 2993748 3083466 3243227 3726018 3972852 4490622 4625199 4788108 5382026 6166932 6486454 6680843 7452036 8073039 8981244 9250398 9729681 10764052 12972908 13361686 16146078 18500796 19459362 20042529 24219117 26723372 29189043 32292156 34983169 38918724 40085058 42161951 48438234 58378086 60127587 69966338 80170116 84323902 86850959 96876468 104949507 116756172 120255174 126485853 139932676 162909787 168647804 173701918 209899014 240510348 252971706 260552877 314848521 325819574 347403836 379457559 419798028 488729361 505943412 521105754 629697042 651639148 758915118 781658631 977458722 1042211508 1259394084 1466188083 1517830236 1563317262 1954917444 2117827231 2932376166 3126634524 4235654462 5864752332 6353481693 8471308924 12706963386 19060445079 25413926772 27531754003 38120890158 55063508006 76241780316 82595262009 110127016012 165190524018 247785786027 330381048036 495571572054 991143144108
• Sum of all divisors σ(n): 2729125880208
• Sum of proper divisors (its aliquot sum) s(n): 1737982736100
• 991143144108 is an abundant number, because the sum of its proper divisors (1737982736100) is greater than itself. Its abundance is 746839591992

Bases of 991143144108

• Binary: 1110011011000100101111000010101010101100₂
• Hexadecimal: 0xE6C4BC2AAC
• Base-36: CNBP1CJ0

Squares and roots of 991143144108

• 991143144108 squared (991143144108²) is 982364732112291655115664
• 991143144108 cubed (991143144108³) is 973664069246589903164430399360107712
• The square root of 991143144108 is 995561.7229022013
• The cube root of 991143144108 is 9970.3895557249

Scales and comparisons

• 991,143,144,108 seconds is equal to 31,515 years, 14 weeks, 6 days, 4 hours, 1 minute, 48 seconds.
• To count from 1 to 991,143,144,108 would take you about sixty-three thousand and thirty 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 991143144108 cubic inches would be around 830.9 feet tall.

Recreational maths with 991143144108

• 991143144108 backwards is 801441341199
• The number of decimal digits it has is: 12
• The sum of 991143144108's digits is 45
• More coming soon!