12828137868

Names of 12828137868

• Cardinal: 12828137868 can be written as Twelve billion, eight hundred twenty-eight million, one hundred thirty-seven thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 1.2828137868 × 10¹⁰

Factors of 12828137868

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 274

Divisors of 12828137868

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 49 52 63 73 78 79 84 91 97 98 117 126 146 147 156 158 182 194 196 219 234 237 252 273 291 292 294 316 364 388 438 441 468 474 511 546 553 582 588 637 657 679 711 819 873 876 882 948 949 1022 1027 1092 1106 1164 1261 1274 1314 1358 1422 1533 1638 1659 1746 1764 1898 1911 2037 2044 2054 2212 2522 2548 2628 2716 2844 2847 3066 3081 3276 3318 3492 3577 3783 3796 3822 3871 4074 4108 4599 4753 4977 5044 5694 5733 5767 6111 6132 6162 6636 6643 7081 7154 7189 7566 7644 7663 7742 8148 8541 8827 9198 9243 9506 9954 10731 11349 11388 11466 11534 11613 12222 12324 13286 14162 14259 14308 14378 15132 15326 15484 17082 17301 17654 18396 18486 19012 19908 19929 21243 21462 21567 22698 22932 22989 23068 23226 24444 26481 26572 28324 28518 28756 30652 32193 34164 34602 34839 35308 36972 39858 40369 42486 42777 42924 43134 45396 45978 46452 46501 49567 50323 51903 52962 53641 57036 59787 61789 63729 64386 64701 68967 69204 69678 74971 79443 79716 80738 84972 85554 86268 91956 92053 93002 99134 99619 100646 103806 105924 107282 119574 121107 123578 127458 128772 129402 137934 139356 139503 148701 149942 150969 158886 160923 161476 171108 184106 185367 186004 198268 199238 201292 207612 214564 224913 239148 242214 247156 254916 258804 275868 276159 279006 282583 297402 298857 299884 301938 317772 321846 346969 363321 368212 370734 375487 398476 418509 446103 449826 452907 482769 484428 524797 552318 556101 558012 559399 565166 594804 597714 603876 643692 644371 674739 693938 697333 726642 741468 750974 828477 837018 847749 892206 896571 899652 905814 965538 1040907 1049594 1104636 1112202 1118798 1126461 1130332 1195428 1288742 1349478 1387876 1394666 1453284 1501948 1574391 1656954 1674036 1678197 1695498 1784412 1793142 1811628 1931076 1933113 2081814 2091999 2099188 2224404 2237596 2252922 2543247 2577484 2698956 2789332 3122721 3148782 3313908 3356394 3379383 3390996 3586284 3673579 3866226 3915793 4163628 4183998 4505844 4510597 4723173 4881331 5034591 5086494 5799339 6245442 6275997 6297564 6712788 6758766 7272187 7347158 7732452 7831586 8367996 9021194 9446346 9762662 10069182 10172988 11020737 11598678 11747379 12490884 12551994 13517532 13531791 14544374 14643993 14694316 15663172 18042388 18892692 19525324 20138364 21816561 22041474 23197356 23494758 25103988 27063582 27410551 29088748 29287986 33062211 35242137 40595373 43633122 43931979 44082948 46989516 50905309 54127164 54821102 58575972 65449683 66124422 70484274 81190746 82231653 87266244 87863958 101810618 109642204 130899366 132248844 140968548 152715927 162381492 164463306 175727916 203621236 246694959 261798732 305431854 328926612 356337163 458147781 493389918 610863708 712674326 916295562 986779836 1069011489 1425348652 1832591124 2138022978 3207034467 4276045956 6414068934 12828137868
• Sum of all divisors σ(n): 42130058880
• Sum of proper divisors (its aliquot sum) s(n): 29301921012
• 12828137868 is an abundant number, because the sum of its proper divisors (29301921012) is greater than itself. Its abundance is 16473783144

Bases of 12828137868

• Binary: 1011111100100111011101100110001100₂
• Hexadecimal: 0x2FC9DD98C
• Base-36: 5W5JIJ0

Squares and roots of 12828137868

• 12828137868 squared (12828137868²) is 164561121160415585424
• 12828137868 cubed (12828137868³) is 2111012749958463273995003236032
• The square root of 12828137868 is 113261.3697074161
• The cube root of 12828137868 is 2340.9270116251

Scales and comparisons

• 12,828,137,868 seconds is equal to 407 years, 46 weeks, 3 days, 19 hours, 37 minutes, 48 seconds.
• To count from 1 to 12,828,137,868 would take you about eight hundred fifteen 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 12828137868 cubic inches would be around 195.1 feet tall.

Recreational maths with 12828137868

• 12828137868 backwards is 86873182821
• The number of decimal digits it has is: 11
• The sum of 12828137868's digits is 54
• More coming soon!