12911991312

Names of 12911991312

• Cardinal: 12911991312 can be written as Twelve billion, nine hundred eleven million, nine hundred ninety-one thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.2911991312 × 10¹⁰

Factors of 12911991312

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 465

Divisors of 12911991312

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 79 88 107 121 132 158 176 214 237 242 263 264 316 321 363 428 474 484 526 528 632 642 726 789 856 869 948 968 1052 1177 1264 1284 1452 1578 1712 1738 1896 1936 2104 2354 2568 2607 2893 2904 3156 3476 3531 3792 4208 4708 5136 5214 5786 5808 6312 6952 7062 8453 8679 9416 9559 10428 11572 12624 12947 13904 14124 16906 17358 18832 19118 20777 20856 23144 25359 25894 28141 28248 28677 31823 33812 34716 38236 38841 41554 41712 46288 50718 51788 56282 56496 57354 62331 63646 67624 69432 76472 77682 83108 84423 92983 95469 101436 103576 112564 114708 124662 127292 135248 138864 152944 155364 166216 168846 185966 190938 202872 207152 225128 228547 229416 249324 254584 278949 309551 310728 332432 337692 371932 381876 405744 450256 457094 458832 498648 509168 557898 619102 621456 675384 685641 743864 763752 914188 928653 997296 1022813 1115796 1238204 1350768 1371282 1487728 1527504 1828376 1857306 2045626 2223139 2231592 2476408 2514017 2742564 3068439 3405061 3656752 3714612 4091252 4446278 4463184 4952816 5028034 5485128 6136878 6669417 6810122 7429224 7542051 8182504 8892556 10056068 10215183 10970256 12273756 13338834 13620244 14858448 15084102 16365008 17785112 20112136 20430366 24454529 24547512 26677668 27240488 30168204 35570224 40224272 40860732 48909058 49095024 53355336 54480976 60336408 73363587 81721464 97818116 106710672 120672816 146727174 163442928 195636232 268999819 293454348 391272464 537999638 586908696 806999457 1075999276 1173817392 1613998914 2151998552 3227997828 4303997104 6455995656 12911991312
• Sum of all divisors σ(n): 37617592320
• Sum of proper divisors (its aliquot sum) s(n): 24705601008
• 12911991312 is an abundant number, because the sum of its proper divisors (24705601008) is greater than itself. Its abundance is 11793609696

Bases of 12911991312

• Binary: 1100000001100111010101101000010000₂
• Hexadecimal: 0x3019D5A10
• Base-36: 5XJGS9C

Squares and roots of 12911991312

• 12911991312 squared (12911991312²) is 166719519641163481344
• 12911991312 cubed (12911991312³) is 2152680989147516228685402083328
• The square root of 12911991312 is 113630.9434617173
• The cube root of 12911991312 is 2346.0165690519

Scales and comparisons

• 12,911,991,312 seconds is equal to 410 years, 29 weeks, 1 day, 8 hours, 15 minutes, 12 seconds.
• To count from 1 to 12,911,991,312 would take you about eight hundred twenty-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 12911991312 cubic inches would be around 195.5 feet tall.

Recreational maths with 12911991312

• 12911991312 backwards is 21319911921
• The number of decimal digits it has is: 11
• The sum of 12911991312's digits is 39
• More coming soon!