12438945792

Names of 12438945792

• Cardinal: 12438945792 can be written as Twelve billion, four hundred thirty-eight million, nine hundred forty-five thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.2438945792 × 10¹⁰

Factors of 12438945792

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 128

Divisors of 12438945792

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 64 72 78 81 84 91 96 103 104 108 112 117 126 128 144 156 162 168 182 189 192 206 208 216 224 234 252 256 273 288 309 312 324 336 351 364 378 384 412 416 432 448 468 504 512 546 567 576 618 624 648 672 702 721 728 756 768 819 824 832 864 896 927 936 1008 1024 1053 1092 1134 1152 1236 1248 1296 1339 1344 1404 1442 1456 1512 1536 1638 1648 1664 1728 1792 1854 1872 2016 2048 2106 2163 2184 2268 2304 2457 2472 2496 2592 2678 2688 2781 2808 2884 2912 3024 3072 3276 3296 3328 3456 3584 3708 3744 4017 4032 4096 4212 4326 4368 4536 4608 4914 4944 4992 5184 5356 5376 5562 5616 5768 5824 6048 6144 6489 6552 6592 6656 6912 7168 7371 7416 7488 8034 8064 8192 8343 8424 8652 8736 9072 9216 9373 9828 9888 9984 10368 10712 10752 11124 11232 11536 11648 12051 12096 12288 12978 13104 13184 13312 13824 14336 14742 14832 14976 16068 16128 16384 16686 16848 17304 17472 18144 18432 18746 19467 19656 19776 19968 20736 21424 21504 22248 22464 23072 23296 24102 24192 24576 25956 26208 26368 26624 27648 28119 28672 29484 29664 29952 32136 32256 33372 33696 34608 34944 36153 36288 36864 37492 38934 39312 39552 39936 41472 42848 43008 44496 44928 46144 46592 48204 48384 49152 51912 52416 52736 53248 55296 56238 57344 58401 58968 59328 59904 64272 64512 66744 67392 69216 69888 72306 72576 73728 74984 77868 78624 79104 79872 82944 84357 85696 86016 88992 89856 92288 93184 96408 96768 103824 104832 105472 106496 108459 110592 112476 114688 116802 117936 118656 119808 128544 129024 133488 134784 138432 139776 144612 145152 147456 149968 155736 157248 158208 159744 165888 168714 171392 172032 177984 179712 184576 186368 192816 193536 207648 209664 210944 212992 216918 221184 224952 233604 235872 237312 239616 253071 257088 258048 266976 269568 276864 279552 289224 290304 299936 311472 314496 316416 319488 331776 337428 342784 344064 355968 359424 369152 372736 385632 387072 415296 419328 421888 433836 442368 449904 467208 471744 474624 479232 506142 514176 516096 533952 539136 553728 559104 578448 580608 599872 622944 628992 632832 638976 663552 674856 685568 711936 718848 738304 745472 759213 771264 774144 830592 838656 843776 867672 899808 934416 943488 949248 958464 1012284 1028352 1032192 1067904 1078272 1107456 1118208 1156896 1161216 1199744 1245888 1257984 1265664 1327104 1349712 1371136 1423872 1437696 1476608 1490944 1518426 1542528 1548288 1661184 1677312 1687552 1735344 1799616 1868832 1886976 1898496 1916928 2024568 2056704 2135808 2156544 2214912 2236416 2313792 2322432 2399488 2491776 2515968 2531328 2699424 2742272 2847744 2875392 2953216 3036852 3085056 3096576 3322368 3354624 3470688 3599232 3737664 3773952 3796992 4049136 4113408 4271616 4313088 4429824 4472832 4627584 4644864 4798976 4983552 5031936 5062656 5398848 5484544 5695488 5750784 5906432 6073704 6170112 6644736 6709248 6941376 7198464 7475328 7547904 7593984 8098272 8226816 8543232 8626176 8859648 9255168 9289728 9597952 9967104 10063872 10797696 10969088 11390976 11812864 12147408 12340224 13289472 13418496 13882752 14396928 14950656 15095808 15187968 16196544 16453632 17086464 17252352 17719296 18510336 19195904 19934208 20127744 21595392 21938176 22781952 24294816 24680448 26578944 27765504 28793856 29901312 30191616 32393088 32907264 34172928 35438592 37020672 38391808 39868416 40255488 43190784 45563904 48589632 49360896 53157888 55531008 57587712 59802624 60383232 64786176 65814528 68345856 74041344 76783616 79736832 86381568 97179264 98721792 106315776 111062016 115175424 119605248 120766464 129572352 136691712 148082688 153567232 159473664 172763136 194358528 197443584 222124032 230350848 239210496 259144704 296165376 318947328 345526272 388717056 444248064 460701696 478420992 518289408 592330752 691052544 777434112 888496128 956841984 1036578816 1382105088 1554868224 1776992256 2073157632 3109736448 4146315264 6219472896 12438945792
• Sum of all divisors σ(n): 46182071936
• Sum of proper divisors (its aliquot sum) s(n): 33743126144
• 12438945792 is an abundant number, because the sum of its proper divisors (33743126144) is greater than itself. Its abundance is 21304180352

Bases of 12438945792

• Binary: 1011100101011010110100000000000000₂
• Hexadecimal: 0x2E56B4000
• Base-36: 5PPTS00

Squares and roots of 12438945792

• 12438945792 squared (12438945792²) is 154727372416314507264
• 12438945792 cubed (12438945792³) is 1924645398025132212280086233088
• The square root of 12438945792 is 111530.0219313169
• The cube root of 12438945792 is 2317.0097344797

Scales and comparisons

• 12,438,945,792 seconds is equal to 395 years, 27 weeks, 6 hours, 43 minutes, 12 seconds.
• To count from 1 to 12,438,945,792 would take you about seven hundred ninety-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 12438945792 cubic inches would be around 193.1 feet tall.

Recreational maths with 12438945792

• 12438945792 backwards is 29754983421
• 12438945792 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12438945792's digits is 54
• More coming soon!