12991955328

Names of 12991955328

• Cardinal: 12991955328 can be written as Twelve billion, nine hundred ninety-one million, nine hundred fifty-five thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.2991955328 × 10¹⁰

Factors of 12991955328

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 383

Divisors of 12991955328

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 43 44 48 64 66 72 86 88 96 99 113 128 129 132 144 172 176 192 198 211 226 258 264 288 339 344 352 384 387 396 422 452 473 516 528 576 633 678 688 704 774 792 844 904 946 1017 1032 1056 1152 1243 1266 1356 1376 1408 1419 1548 1584 1688 1808 1892 1899 2034 2064 2112 2321 2486 2532 2712 2752 2838 3096 3168 3376 3616 3729 3784 3798 4068 4128 4224 4257 4642 4859 4972 5064 5424 5504 5676 6192 6336 6752 6963 7232 7458 7568 7596 8136 8256 8514 9073 9284 9718 9944 10128 10848 11187 11352 12384 12672 13504 13926 14464 14577 14916 15136 15192 16272 16512 17028 18146 18568 19436 19888 20256 20889 21696 22374 22704 23843 24768 27008 27219 27852 29154 29832 30272 30384 32544 34056 36292 37136 38872 39776 40512 41778 43392 43731 44748 45408 47686 49536 53449 54438 55704 58308 59664 60544 60768 65088 68112 71529 72584 74272 77744 79552 81024 81657 83556 87462 89496 90816 95372 99803 106898 108876 111408 116616 119328 121536 130176 136224 143058 145168 148544 155488 159104 160347 163314 167112 174924 178992 181632 190744 199606 213796 214587 217752 222816 233232 238656 243072 262273 272448 286116 290336 297088 299409 310976 320694 326628 334224 349848 357984 381488 399212 427592 429174 435504 445632 466464 477312 481041 524546 544896 572232 580672 598818 621952 641388 653256 668448 699696 715968 762976 786819 798424 855184 858348 871008 891264 898227 932928 962082 1025249 1049092 1144464 1161344 1197636 1282776 1306512 1336896 1399392 1431936 1525952 1573638 1596848 1710368 1716696 1742016 1796454 1865856 1924164 2050498 2098184 2288928 2360457 2395272 2565552 2613024 2673792 2798784 3051904 3075747 3147276 3193696 3420736 3433392 3484032 3592908 3848328 4100996 4196368 4577856 4720914 4790544 5131104 5226048 5597568 6151494 6294552 6387392 6841472 6866784 7185816 7696656 8201992 8392736 9155712 9227241 9441828 9581088 10262208 10452096 11277739 12302988 12589104 12774784 13733568 14371632 15393312 16403984 16785472 18454482 18883656 19162176 20524416 22555478 24605976 25178208 27467136 28743264 30786624 32807968 33570944 33833217 36908964 37767312 38324352 45110956 49211952 50356416 57486528 61573248 65615936 67666434 73817928 75534624 90221912 98423904 100712832 101499651 114973056 131231872 135332868 147635856 151069248 180443824 196847808 202999302 270665736 295271712 302138496 360887648 393695616 405998604 541331472 590543424 721775296 811997208 1082662944 1181086848 1443550592 1623994416 2165325888 3247988832 4330651776 6495977664 12991955328
• Sum of all divisors σ(n): 42301733760
• Sum of proper divisors (its aliquot sum) s(n): 29309778432
• 12991955328 is an abundant number, because the sum of its proper divisors (29309778432) is greater than itself. Its abundance is 16317823104

Bases of 12991955328

• Binary: 1100000110011000011000000110000000₂
• Hexadecimal: 0x306618180
• Base-36: 5YV2OW0

Squares and roots of 12991955328

• 12991955328 squared (12991955328²) is 168790903244747587584
• 12991955328 cubed (12991955328³) is 2192923874728530908527095447552
• The square root of 12991955328 is 113982.2588300477
• The cube root of 12991955328 is 2350.8495692725

Scales and comparisons

• 12,991,955,328 seconds is equal to 413 years, 5 weeks, 2 days, 20 hours, 28 minutes, 48 seconds.
• To count from 1 to 12,991,955,328 would take you about eight hundred twenty-six 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 12991955328 cubic inches would be around 195.9 feet tall.

Recreational maths with 12991955328

• 12991955328 backwards is 82355919921
• The number of decimal digits it has is: 11
• The sum of 12991955328's digits is 54
• More coming soon!