28135289280

Names of 28135289280

• Cardinal: 28135289280 can be written as Twenty-eight billion, one hundred thirty-five million, two hundred eighty-nine thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.813528928 × 10¹⁰

Factors of 28135289280

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 738

Divisors of 28135289280

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 71 80 84 96 105 109 112 120 140 142 160 168 192 210 213 218 224 240 280 284 320 327 336 355 420 426 436 448 480 497 541 545 560 568 654 672 710 763 840 852 872 960 994 1065 1082 1090 1120 1136 1308 1344 1420 1491 1526 1623 1635 1680 1704 1744 1988 2130 2164 2180 2240 2272 2289 2485 2616 2705 2840 2982 3052 3246 3270 3360 3408 3488 3787 3815 3976 4260 4328 4360 4544 4578 4970 5232 5410 5680 5964 6104 6492 6540 6720 6816 6976 7455 7574 7630 7739 7952 8115 8520 8656 8720 9156 9940 10464 10820 11360 11361 11445 11928 12208 12984 13080 13632 14910 15148 15260 15478 15904 16230 17040 17312 17440 18312 18935 19880 20928 21640 22720 22722 22890 23217 23856 24416 25968 26160 29820 30296 30520 30956 31808 32460 34080 34624 34880 36624 37870 38411 38695 39760 43280 45444 45780 46434 47712 48832 51936 52320 54173 56805 58969 59640 60592 61040 61912 64920 68160 73248 75740 76822 77390 79520 86560 90888 91560 92868 95424 103872 104640 108346 113610 115233 116085 117938 119280 121184 122080 123824 129840 146496 151480 153644 154780 159040 162519 173120 176907 181776 183120 185736 192055 216692 227220 230466 232170 235876 238560 242368 244160 247648 259680 268877 270865 294845 302960 307288 309560 325038 353814 363552 366240 371472 384110 412783 433384 454440 460932 464340 471752 477120 495296 519360 537754 541730 576165 589690 605920 614576 619120 650076 707628 727104 732480 742944 768220 806631 812595 825566 866768 884535 908880 921864 928680 943504 1075508 1083460 1152330 1179380 1211840 1229152 1238240 1238349 1300152 1344385 1415256 1485888 1536440 1613262 1625190 1651132 1733536 1769070 1817760 1843728 1857360 1887008 2063915 2151016 2166920 2304660 2358760 2458304 2476480 2476698 2600304 2688770 2830512 3072880 3226524 3250380 3302264 3467072 3538140 3635520 3687456 3714720 3774016 4033155 4127830 4186799 4302032 4333840 4609320 4717520 4953396 5200608 5377540 5661024 6145760 6191745 6453048 6500760 6604528 7076280 7374912 7429440 8066310 8255660 8373598 8604064 8667680 9218640 9435040 9906792 10401216 10755080 11322048 12291520 12383490 12560397 12906096 13001520 13209056 14152560 16132620 16511320 16747196 17208128 17335360 18437280 18870080 19813584 20933995 21510160 24766980 25120794 25812192 26003040 26418112 28305120 29307593 32265240 33022640 33494392 36874560 39627168 41867990 43020320 49533960 50241588 51624384 52006080 56610240 58615186 62801985 64530480 66045280 66988784 79254336 83735980 86040640 87922779 99067920 100483176 117230372 125603970 129060960 132090560 133977568 146537965 167471960 175845558 198135840 200966352 234460744 251207940 258121920 267955136 293075930 334943920 351691116 396271680 401932704 439613895 468921488 502415880 586151860 669887840 703382232 803865408 879227790 937842976 1004831760 1172303720 1339775680 1406764464 1758455580 1875685952 2009663520 2344607440 2813528928 3516911160 4019327040 4689214880 5627057856 7033822320 9378429760 14067644640 28135289280
• Sum of all divisors σ(n): 104671733760
• Sum of proper divisors (its aliquot sum) s(n): 76536444480
• 28135289280 is an abundant number, because the sum of its proper divisors (76536444480) is greater than itself. Its abundance is 48401155200

Bases of 28135289280

• Binary: 11010001100111111100111000111000000₂
• Hexadecimal: 0x68CFE71C0
• Base-36: CXB0W5C

Squares and roots of 28135289280

• 28135289280 squared (28135289280²) is 791594502869282918400
• 28135289280 cubed (28135289280³) is 22271740330685064935346634752000
• The square root of 28135289280 is 167735.7722133237
• The cube root of 28135289280 is 3041.4718057825

Scales and comparisons

• 28,135,289,280 seconds is equal to 894 years, 31 weeks, 6 days, 22 hours, 8 minutes.
• To count from 1 to 28,135,289,280 would take you about one thousand, seven hundred eighty-nine 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 28135289280 cubic inches would be around 253.5 feet tall.

Recreational maths with 28135289280

• 28135289280 backwards is 08298253182
• 28135289280 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28135289280's digits is 48
• More coming soon!