12428551872

Names of 12428551872

• Cardinal: 12428551872 can be written as Twelve billion, four hundred twenty-eight million, five hundred fifty-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.2428551872 × 10¹⁰

Factors of 12428551872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 474

Divisors of 12428551872

• Number of divisors d(n): 392
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 61 64 66 72 81 88 96 99 108 122 132 144 162 176 183 192 198 216 243 244 264 288 297 324 352 366 396 397 432 486 488 528 549 576 594 648 671 704 729 732 792 794 864 891 972 976 1056 1098 1188 1191 1296 1342 1458 1464 1584 1588 1647 1728 1782 1944 1952 2013 2112 2196 2376 2382 2592 2673 2684 2916 2928 3168 3176 3294 3564 3573 3888 3904 4026 4367 4392 4752 4764 4941 5184 5346 5368 5832 5856 6039 6336 6352 6588 7128 7146 7776 8019 8052 8734 8784 9504 9528 9882 10692 10719 10736 11664 11712 12078 12704 13101 13176 14256 14292 14823 15552 16038 16104 17468 17568 18117 19008 19056 19764 21384 21438 21472 23328 24156 24217 25408 26202 26352 28512 28584 29646 32076 32157 32208 34936 35136 36234 38112 39303 39528 42768 42876 42944 44469 46656 48312 48434 52404 52704 54351 57024 57168 59292 64152 64314 64416 69872 72468 72651 76224 78606 79056 85536 85752 88938 96471 96624 96868 104808 105408 108702 114336 117909 118584 128304 128628 128832 139744 144936 145302 157212 158112 163053 171072 171504 177876 192942 193248 193736 209616 217404 217953 228672 235818 237168 256608 257256 266387 279488 289413 289872 290604 314424 316224 326106 343008 353727 355752 385884 386496 387472 419232 434808 435906 471636 474336 489159 513216 514512 532774 578826 579744 581208 628848 652212 653859 686016 707454 711504 771768 774944 799161 838464 869616 871812 943272 948672 978318 1029024 1061181 1065548 1157652 1159488 1162416 1257696 1304424 1307718 1414908 1423008 1543536 1549888 1598322 1739232 1743624 1886544 1956636 1961577 2058048 2122362 2131096 2315304 2324832 2397483 2515392 2608848 2615436 2829816 2846016 3087072 3183543 3196644 3478464 3487248 3773088 3913272 3923154 4244724 4262192 4630608 4649664 4794966 5217696 5230872 5659632 5884731 6174144 6367086 6393288 6974496 7192449 7546176 7826544 7846308 8489448 8524384 9261216 9589932 10435392 10461744 11319264 11769462 12734172 12786576 13948992 14384898 15653088 15692616 16978896 17048768 17654193 18522432 19179864 20923488 21577347 22638528 23538924 25468344 25573152 28769796 31306176 31385232 33957792 35308386 38359728 41846976 43154694 47077848 50936688 51146304 57539592 62770464 64732041 67915584 70616772 76719456 86309388 94155696 101873376 115079184 125540928 129464082 141233544 153438912 172618776 188311392 194196123 203746752 230158368 258928164 282467088 345237552 376622784 388392246 460316736 517856328 564934176 690475104 776784492 1035712656 1129868352 1380950208 1553568984 2071425312 3107137968 4142850624 6214275936 12428551872
• Sum of all divisors σ(n): 41103602832
• Sum of proper divisors (its aliquot sum) s(n): 28675050960
• 12428551872 is an abundant number, because the sum of its proper divisors (28675050960) is greater than itself. Its abundance is 16246499088

Bases of 12428551872

• Binary: 1011100100110011001010011011000000₂
• Hexadecimal: 0x2E4CCA6C0
• Base-36: 5PJN000

Squares and roots of 12428551872

• 12428551872 squared (12428551872²) is 154468901634994704384
• 12428551872 cubed (12428551872³) is 1919824756581397293881849806848
• The square root of 12428551872 is 111483.4152329393
• The cube root of 12428551872 is 2316.3641941163

Scales and comparisons

• 12,428,551,872 seconds is equal to 395 years, 9 weeks, 5 days, 23 hours, 31 minutes, 12 seconds.
• To count from 1 to 12,428,551,872 would take you about seven hundred ninety 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 12428551872 cubic inches would be around 193 feet tall.

Recreational maths with 12428551872

• 12428551872 backwards is 27815582421
• The number of decimal digits it has is: 11
• The sum of 12428551872's digits is 45
• More coming soon!