28489473792

Names of 28489473792

• Cardinal: 28489473792 can be written as Twenty-eight billion, four hundred eighty-nine million, four hundred seventy-three thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 2.8489473792 × 10¹⁰

Factors of 28489473792

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 47

Divisors of 28489473792

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 29 32 36 39 48 52 54 58 64 72 78 87 96 104 108 116 117 128 144 156 169 174 192 208 216 232 234 256 261 288 312 338 348 351 377 384 416 432 464 468 507 522 576 624 676 696 702 754 768 783 832 841 864 928 936 1014 1044 1131 1152 1248 1352 1392 1404 1508 1521 1566 1664 1682 1728 1856 1872 2028 2088 2262 2304 2496 2523 2704 2784 2808 3016 3042 3132 3328 3364 3393 3456 3712 3744 4056 4176 4524 4563 4901 4992 5046 5408 5568 5616 6032 6084 6264 6728 6786 6912 7424 7488 7569 8112 8352 9048 9126 9802 9984 10092 10179 10816 10933 11136 11232 12064 12168 12528 13456 13572 14703 14976 15138 16224 16704 18096 18252 19604 20184 20358 21632 21866 22272 22464 22707 24128 24336 24389 25056 26912 27144 29406 29952 30276 32448 32799 33408 36192 36504 39208 40368 40716 43264 43732 44109 44928 45414 48256 48672 48778 50112 53824 54288 58812 60552 64896 65598 66816 72384 73008 73167 78416 80736 81432 87464 88218 89856 90828 96512 97344 97556 98397 100224 107648 108576 117624 121104 129792 131196 132327 142129 144768 146016 146334 156832 161472 162864 174928 176436 181656 194688 195112 196794 200448 215296 217152 219501 235248 242208 262392 264654 284258 289536 292032 292668 295191 313664 317057 322944 325728 349856 352872 363312 389376 390224 393588 426387 434304 439002 470496 484416 524784 529308 568516 584064 585336 590382 627328 634114 645888 651456 658503 699712 705744 726624 780448 787176 852774 868608 878004 940992 951171 968832 1049568 1058616 1137032 1168128 1170672 1180764 1254656 1268228 1279161 1302912 1317006 1399424 1411488 1453248 1560896 1574352 1705548 1756008 1881984 1902342 1937664 2099136 2117232 2274064 2341344 2361528 2536456 2558322 2605824 2634012 2798848 2822976 2853513 2906496 3121792 3148704 3411096 3512016 3763968 3804684 3837483 4121741 4198272 4234464 4548128 4682688 4723056 5072912 5116644 5268024 5645952 5707026 5812992 6243584 6297408 6822192 7024032 7609368 7674966 8243482 8396544 8468928 8560539 9096256 9365376 9446112 10145824 10233288 10536048 11291904 11414052 12365223 12594816 13644384 14048064 15218736 15349932 16486964 16937856 17121078 18192512 18730752 18892224 20291648 20466576 21072096 22828104 24730446 25189632 27288768 28096128 30437472 30699864 32973928 33875712 34242156 36385024 37095669 37784448 40583296 40933152 42144192 45656208 49460892 54577536 56192256 60874944 61399728 65947856 68484312 74191338 75568896 81166592 81866304 84288384 91312416 98921784 109155072 111287007 121749888 122799456 131895712 136968624 148382676 163732608 168576768 182624832 197843568 222574014 243499776 245598912 263791424 273937248 296765352 327465216 365249664 395687136 445148028 491197824 527582848 547874496 593530704 730499328 791374272 890296056 982395648 1055165696 1095748992 1187061408 1582748544 1780592112 2191497984 2374122816 3165497088 3561184224 4748245632 7122368448 9496491264 14244736896 28489473792
• Sum of all divisors σ(n): 94485535200
• Sum of proper divisors (its aliquot sum) s(n): 65996061408
• 28489473792 is an abundant number, because the sum of its proper divisors (65996061408) is greater than itself. Its abundance is 37506587616

Bases of 28489473792

• Binary: 11010100010000110101101111100000000₂
• Hexadecimal: 0x6A21ADF00
• Base-36: D35WAO0

Squares and roots of 28489473792

• 28489473792 squared (28489473792²) is 811650116945054859264
• 28489473792 cubed (28489473792³) is 23123484734979875517003976409088
• The square root of 28489473792 is 168788.2513446951
• The cube root of 28489473792 is 3054.1812684545

Scales and comparisons

• 28,489,473,792 seconds is equal to 905 years, 45 weeks, 4 days, 6 hours, 43 minutes, 12 seconds.
• To count from 1 to 28,489,473,792 would take you about one thousand, eight hundred eleven 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 28489473792 cubic inches would be around 254.5 feet tall.

Recreational maths with 28489473792

• 28489473792 backwards is 29737498482
• The number of decimal digits it has is: 11
• The sum of 28489473792's digits is 63
• More coming soon!