28375221888

Names of 28375221888

• Cardinal: 28375221888 can be written as Twenty-eight billion, three hundred seventy-five million, two hundred twenty-one thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 2.8375221888 × 10¹⁰

Factors of 28375221888

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5118

Divisors of 28375221888

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 96 104 108 117 127 128 144 156 192 208 216 234 254 288 312 351 381 384 416 432 468 508 576 624 702 762 832 864 936 1016 1143 1152 1248 1404 1524 1651 1664 1728 1872 2032 2286 2496 2808 3048 3302 3429 3456 3744 4064 4572 4953 4973 4992 5616 6096 6604 6858 7488 8128 9144 9906 9946 11232 12192 13208 13716 14859 14919 14976 16256 18288 19812 19892 22464 24384 26416 27432 29718 29838 36576 39624 39784 44577 44757 44928 48768 52832 54864 59436 59676 64649 73152 79248 79568 89154 89514 105664 109728 118872 119352 129298 134271 146304 158496 159136 178308 179028 193947 211328 219456 237744 238704 258596 268542 316992 318272 356616 358056 387894 438912 475488 477408 517192 537084 581841 631571 633984 636544 713232 716112 775788 950976 954816 1034384 1074168 1163682 1263142 1426464 1432224 1551576 1745523 1894713 1901952 1909632 2068768 2148336 2327364 2526284 2852928 2864448 3103152 3491046 3789426 4137536 4296672 4654728 5052568 5684139 5705856 5728896 6206304 6982092 7578852 8210423 8275072 8593344 9309456 10105136 11368278 12412608 13964184 15157704 16420846 17052417 17186688 18618912 20210272 22736556 24631269 24825216 27928368 30315408 32841692 34104834 37237824 40420544 45473112 49262538 55856736 60630816 65683384 68209668 73893807 74475648 80841088 90946224 98525076 111713472 121261632 131366768 136419336 147787614 181892448 197050152 221681421 223426944 242523264 262733536 272838672 295575228 363784896 394100304 443362842 525467072 545677344 591150456 727569792 788200608 886725684 1050934144 1091354688 1182300912 1576401216 1773451368 2182709376 2364601824 3152802432 3546902736 4729203648 7093805472 9458407296 14187610944 28375221888
• Sum of all divisors σ(n): 90916761600
• Sum of proper divisors (its aliquot sum) s(n): 62541539712
• 28375221888 is an abundant number, because the sum of its proper divisors (62541539712) is greater than itself. Its abundance is 34166317824

Bases of 28375221888

• Binary: 11010011011010010111000011010000000₂
• Hexadecimal: 0x69B4B8680
• Base-36: D19VHC0

Squares and roots of 28375221888

• 28375221888 squared (28375221888²) is 805153217193234284544
• 28375221888 cubed (28375221888³) is 22846401191695079396304928899072
• The square root of 28375221888 is 168449.4638994141
• The cube root of 28375221888 is 3050.0930505699

Scales and comparisons

• 28,375,221,888 seconds is equal to 902 years, 12 weeks, 4 days, 22 hours, 4 minutes, 48 seconds.
• To count from 1 to 28,375,221,888 would take you about one thousand, eight hundred four 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 28375221888 cubic inches would be around 254.2 feet tall.

Recreational maths with 28375221888

• 28375221888 backwards is 88812257382
• 28375221888 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28375221888's digits is 54
• More coming soon!