12978316988

Names of 12978316988

• Cardinal: 12978316988 can be written as Twelve billion, nine hundred seventy-eight million, three hundred sixteen thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 1.2978316988 × 10¹⁰

Factors of 12978316988

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 236

Divisors of 12978316988

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 13 14 26 28 29 37 47 49 52 58 74 91 94 98 101 116 148 182 188 196 202 203 259 329 364 377 404 406 481 518 611 637 658 707 754 812 962 1036 1073 1222 1274 1313 1316 1363 1414 1421 1508 1739 1813 1924 2146 2303 2444 2548 2626 2639 2726 2828 2842 2929 3367 3478 3626 3737 4277 4292 4606 4747 4949 5252 5278 5452 5684 5858 6734 6956 7252 7474 7511 8554 9191 9212 9494 9541 9898 10556 11716 12173 13468 13949 14948 15022 17108 17719 18382 18473 18988 19082 19796 20503 22607 23569 24346 26159 27898 29939 30044 33229 35438 36764 36946 38077 38164 41006 45214 47138 48581 48692 50431 52318 52577 55796 59878 61711 64337 66458 66787 70876 73892 76154 82012 85211 90428 94276 97162 97643 100862 104636 105154 108373 119756 123422 124033 128674 132916 133574 137663 143521 152308 158249 170422 175639 183113 194324 195286 201724 210308 216746 232603 246844 248066 257348 266539 267148 275326 287042 316498 340067 340844 351278 353017 366226 390572 431977 433492 465206 496132 533078 550652 574084 632996 655603 680134 683501 702556 706034 732452 758611 863954 868231 930412 963641 1066156 1107743 1229473 1311206 1360268 1367002 1408849 1412068 1517222 1727908 1736462 1789619 1865773 1927282 2215486 2283307 2380469 2458946 2471119 2622412 2734004 2817698 3023839 3034444 3472924 3579238 3731546 3854564 4430972 4566614 4589221 4760938 4917892 4942238 5093531 5310277 5635396 6047678 6745487 7158476 7463092 8606311 9133228 9178442 9521876 9861943 9884476 10187062 10620554 12095356 12527333 13490974 15983149 17212622 18356884 19723886 20374124 21241108 25054666 26981948 31966298 32124547 34425244 35654717 39447772 50109332 63932596 64249094 66215903 69033601 71309434 87691331 111882043 128498188 132431806 138067202 142618868 175382662 223764086 249583019 264863612 276134404 350765324 447528172 463511321 499166038 927022642 998332076 1854045284 3244579247 6489158494 12978316988
• Sum of all divisors σ(n): 31177923840
• Sum of proper divisors (its aliquot sum) s(n): 18199606852
• 12978316988 is an abundant number, because the sum of its proper divisors (18199606852) is greater than itself. Its abundance is 5221289864

Bases of 12978316988

• Binary: 1100000101100100010110011010111100₂
• Hexadecimal: 0x3059166BC
• Base-36: 5YMYDH8

Squares and roots of 12978316988

• 12978316988 squared (12978316988²) is 168436711841009392144
• 12978316988 cubed (12978316988³) is 2186025038689032949130028942272
• The square root of 12978316988 is 113922.4165298471
• The cube root of 12978316988 is 2350.0266777113

Scales and comparisons

• 12,978,316,988 seconds is equal to 412 years, 34 weeks, 6 days, 3 minutes, 8 seconds.
• To count from 1 to 12,978,316,988 would take you about eight hundred twenty-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 12978316988 cubic inches would be around 195.8 feet tall.

Recreational maths with 12978316988

• 12978316988 backwards is 88961387921
• The number of decimal digits it has is: 11
• The sum of 12978316988's digits is 62
• More coming soon!