28979715492

Names of 28979715492

• Cardinal: 28979715492 can be written as Twenty-eight billion, nine hundred seventy-nine million, seven hundred fifteen thousand, four hundred ninety-two.

Scientific notation

• Scientific notation: 2.8979715492 × 10¹⁰

Factors of 28979715492

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1432

Divisors of 28979715492

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 31 36 39 42 52 54 62 63 73 78 84 91 93 108 117 124 126 146 156 182 186 189 217 219 234 252 273 279 292 351 364 372 378 403 434 438 468 511 546 558 651 657 702 756 806 819 837 868 876 949 1022 1092 1116 1209 1302 1303 1314 1404 1533 1612 1638 1674 1898 1953 1971 2044 2263 2418 2457 2604 2606 2628 2821 2847 3066 3276 3348 3627 3796 3906 3909 3942 4526 4599 4836 4914 5212 5642 5694 5859 6132 6643 6789 7254 7812 7818 7884 8463 8541 9052 9121 9198 9828 10881 11284 11388 11718 11727 13286 13578 13797 14508 15636 15841 16926 16939 17082 18242 18396 19929 20367 21762 23436 23454 25389 25623 26572 27156 27363 27594 29419 31682 33852 33878 34164 35181 36484 39858 40393 40734 43524 46908 47523 50778 50817 51246 54726 55188 58838 59787 61101 63364 67756 70362 76167 79716 80786 81468 82089 88257 95046 95119 101556 101634 102492 109452 117676 118573 119574 121179 122202 140724 142569 152334 152451 161572 164178 176514 179361 190092 190238 203268 205933 237146 239148 242358 244404 246267 264771 282751 285138 285357 304668 304902 328356 353028 355719 358722 363537 380476 411866 427707 457353 474292 484716 492534 525109 529542 565502 570276 570714 609804 617799 665833 711438 717444 727074 794313 823732 848253 855414 856071 914706 985068 1050218 1059084 1067157 1090611 1131004 1141428 1235598 1236547 1331666 1422876 1454148 1575327 1588626 1696506 1710828 1712142 1829412 1853397 1997499 2100436 2134314 2181222 2471196 2473094 2544759 2568213 2663332 2948689 3150654 3177252 3201471 3393012 3424284 3675763 3706794 3709641 3994998 4268628 4362444 4725981 4946188 5089518 5136426 5560191 5897378 5992497 6301308 6402942 7351526 7413588 7419282 7634277 7989996 8655829 8846067 9451962 10179036 10272852 11027289 11120382 11128923 11794756 11984994 12805884 14177943 14703052 14838564 15268554 17311658 17692134 17977491 18903924 20640823 22054578 22240764 22257846 23969988 25967487 26538201 28355886 30537108 33081867 33386769 34623316 35384268 35954982 38332957 41281646 44109156 44515692 51934974 53076402 56711772 61922469 66163734 66773538 71909964 76665914 77902461 79614603 82563292 99245601 103869948 106152804 114998871 123844938 132327468 133547076 153331828 155804922 159229206 185767407 198491202 229997742 233707383 247689876 268330699 311609844 318458412 344996613 371534814 396982404 459995484 467414766 536661398 557302221 689993226 743069628 804992097 934829532 1034989839 1073322796 1114604442 1379986452 1609984194 2069979678 2229208884 2414976291 3219968388 4139959356 4829952582 7244928873 9659905164 14489857746 28979715492
• Sum of all divisors σ(n): 96835665920
• Sum of proper divisors (its aliquot sum) s(n): 67855950428
• 28979715492 is an abundant number, because the sum of its proper divisors (67855950428) is greater than itself. Its abundance is 38876234936

Bases of 28979715492

• Binary: 11010111111010100110101110110100100₂
• Hexadecimal: 0x6BF535DA4
• Base-36: DB9RVL0

Squares and roots of 28979715492

• 28979715492 squared (28979715492²) is 839823909997264802064
• 28979715492 cubed (28979715492³) is 24337857975099748462000414375488
• The square root of 28979715492 is 170234.2958748325
• The cube root of 28979715492 is 3071.6003317639

Scales and comparisons

• 28,979,715,492 seconds is equal to 921 years, 24 weeks, 1 day, 8 hours, 58 minutes, 12 seconds.
• To count from 1 to 28,979,715,492 would take you about one thousand, eight hundred forty-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 28979715492 cubic inches would be around 256 feet tall.

Recreational maths with 28979715492

• 28979715492 backwards is 29451797982
• 28979715492 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28979715492's digits is 63
• More coming soon!