28818438012

Names of 28818438012

• Cardinal: 28818438012 can be written as Twenty-eight billion, eight hundred eighteen million, four hundred thirty-eight thousand and twelve.

Scientific notation

• Scientific notation: 2.8818438012 × 10¹⁰

Factors of 28818438012

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 684

Divisors of 28818438012

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 17 18 21 26 27 28 34 36 39 41 42 49 51 52 54 63 68 78 82 84 91 98 102 108 117 119 123 126 147 153 156 164 182 189 196 204 221 234 238 246 252 273 287 294 306 351 357 364 369 378 441 442 459 468 476 492 533 546 574 588 601 612 637 663 697 702 714 738 756 819 833 861 882 884 918 1066 1071 1092 1107 1148 1202 1274 1323 1326 1394 1404 1428 1476 1547 1599 1638 1666 1722 1764 1803 1836 1911 1989 2009 2091 2132 2142 2214 2404 2457 2499 2548 2583 2646 2652 2788 3094 3198 3213 3276 3332 3444 3606 3731 3822 3978 4018 4182 4207 4284 4428 4641 4797 4879 4914 4998 5166 5292 5409 5733 5967 6027 6188 6273 6396 6426 7212 7462 7497 7644 7749 7813 7956 8036 8364 8414 9061 9282 9594 9758 9828 9996 10217 10332 10818 10829 11193 11466 11934 12054 12546 12621 12852 13923 14391 14637 14924 14994 15498 15626 16227 16828 17199 18081 18122 18564 18819 19188 19516 20434 21636 21658 22386 22491 22932 23439 23868 24108 24641 25092 25242 26117 27183 27846 28782 29274 29449 29988 30651 30996 31252 32454 32487 33579 34153 34398 36162 36244 37638 37863 40868 41769 43316 43911 44772 44982 46878 49282 50484 52234 54243 54366 54691 55692 57564 58548 58898 61302 63427 64908 64974 67158 68306 68796 70317 71519 72324 73923 75276 75726 78351 81549 83538 87822 88347 89964 91953 93756 97461 98564 100737 102459 104468 108486 108732 109382 113589 117796 122604 126854 129948 131733 132821 134316 136612 140634 143038 147846 151452 156702 163098 164073 167076 172487 175644 176694 183906 190281 194922 201474 204918 210951 214557 216972 218764 221769 227178 235053 244647 253708 263466 265041 265642 275859 281268 286076 292383 295692 307377 313404 320333 326196 328146 344974 353388 367812 380562 382837 389844 398463 402948 409836 418897 421902 429114 443538 443989 454356 470106 489294 492219 500633 517461 526932 530082 531284 551718 570843 584766 614754 640666 643671 656292 665307 689948 705159 761124 765674 795123 796926 837794 843804 858228 887076 887978 922131 929747 940212 960999 978588 984438 1001266 1034922 1060164 1103436 1141686 1148511 1169532 1195389 1207409 1229508 1256691 1281332 1287342 1330614 1331967 1410318 1476657 1501899 1531348 1552383 1590246 1593852 1675588 1712529 1775956 1844262 1859494 1921998 1931013 1968876 2002532 2069844 2242331 2283372 2297022 2390778 2414818 2513382 2574684 2661228 2663934 2789241 2820636 2882997 2932279 2953314 3003798 3104766 3180492 3425058 3445533 3586167 3622227 3688524 3718988 3770073 3843996 3862026 3995901 4484662 4505697 4594044 4657149 4781556 4829636 5026764 5327868 5445661 5578482 5765994 5864558 5906628 6007596 6209532 6508229 6726993 6850116 6891066 7172334 7244454 7540146 7724052 7991802 8367723 8648991 8796837 8969324 9011394 9314298 10336599 10866681 10891322 11156964 11310219 11531988 11729116 11987703 13016458 13453986 13517091 13782132 14344668 14488908 15080292 15696317 15983604 16336983 16735446 17297982 17593674 18022788 18628596 19524687 20180979 20525953 20673198 21733362 21782644 22620438 23975406 25103169 26032916 26390511 26907972 27034182 31392634 32600043 32673966 33470892 34595964 35187348 38119627 39049374 40361958 41051906 41346396 43466724 45240876 47088951 47950812 49010949 50206338 52781022 54068364 58574061 60542937 61577859 62785268 65200086 65347932 76239254 78098748 79171533 80723916 82103812 94177902 98021898 100412676 105562044 114358881 117148122 121085874 123155718 130400172 141266853 147032847 152478508 158343066 175722183 184733577 188355804 196043796 228717762 234296244 242171748 246311436 266837389 282533706 294065694 316686132 343076643 351444366 369467154 423800559 457435524 533674778 554200731 565067412 588131388 686153286 702888732 738934308 800512167 847601118 1029229929 1067349556 1108401462 1372306572 1601024334 1695202236 2058459858 2216802924 2401536501 3202048668 4116919716 4803073002 7204609503 9606146004 14409219006 28818438012
• Sum of all divisors σ(n): 101690225280
• Sum of proper divisors (its aliquot sum) s(n): 72871787268
• 28818438012 is an abundant number, because the sum of its proper divisors (72871787268) is greater than itself. Its abundance is 44053349256

Bases of 28818438012

• Binary: 11010110101101101100111011101111100₂
• Hexadecimal: 0x6B5B6777C
• Base-36: D8LR530

Squares and roots of 28818438012

• 28818438012 squared (28818438012²) is 830502369451486512144
• 28818438012 cubed (28818438012³) is 23933781052856786491475949217728
• The square root of 28818438012 is 169759.9423067763
• The cube root of 28818438012 is 3065.8917207023

Scales and comparisons

• 28,818,438,012 seconds is equal to 916 years, 17 weeks, 3 days, 17 hours, 40 minutes, 12 seconds.
• To count from 1 to 28,818,438,012 would take you about one thousand, eight hundred thirty-two 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 28818438012 cubic inches would be around 255.5 feet tall.

Recreational maths with 28818438012

• 28818438012 backwards is 21083481882
• The number of decimal digits it has is: 11
• The sum of 28818438012's digits is 45
• More coming soon!