28297986990

Names of 28297986990

• Cardinal: 28297986990 can be written as Twenty-eight billion, two hundred ninety-seven million, nine hundred eighty-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.829798699 × 10¹⁰

Factors of 28297986990

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 167

Divisors of 28297986990

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 17 21 26 30 31 34 35 39 42 51 62 65 70 78 85 89 91 93 102 105 119 130 155 169 170 178 182 186 195 210 217 221 238 255 267 273 289 310 338 357 390 403 434 442 445 455 465 507 510 527 534 546 578 595 623 651 663 714 806 845 867 890 910 930 1014 1054 1085 1105 1157 1183 1190 1209 1246 1302 1326 1335 1365 1445 1513 1547 1581 1690 1734 1785 1869 2015 2023 2170 2210 2314 2366 2418 2535 2635 2670 2730 2759 2821 2873 2890 3026 3094 3115 3162 3255 3315 3471 3549 3570 3689 3738 3757 4030 4046 4335 4539 4641 5070 5239 5270 5518 5642 5746 5785 5915 6045 6069 6230 6510 6630 6851 6942 7098 7378 7514 7565 7735 7905 8099 8277 8463 8619 8670 8959 9078 9282 9345 10115 10478 10591 11067 11271 11570 11830 12090 12138 13702 13795 14105 14365 15041 15130 15470 15717 15810 16198 16554 16926 17238 17355 17745 17918 18445 18690 18785 19313 19669 20111 20230 20553 21182 22134 22542 22695 23205 24297 25721 26195 26299 26877 27590 28210 28730 30082 30345 31434 31773 34255 34710 35490 35867 36673 36890 37570 38626 39338 40222 40495 41106 41385 42315 43095 44795 45123 45390 46410 46903 47957 48594 48841 51442 52390 52598 52955 53754 55335 56355 57939 59007 60333 60690 62713 63546 68510 71734 73346 75205 77163 78585 78897 80990 82770 84630 86190 89063 89590 90246 93806 95914 96565 97682 98345 100555 102765 105287 105910 107601 110019 110670 112710 115878 116467 118014 120666 121485 125426 128605 131495 134385 137683 140709 143871 146523 150410 154326 157170 157794 158865 178126 179335 180047 183365 188139 193130 196690 201110 205530 210574 215202 220038 225615 232934 234515 239785 242970 244205 251069 255697 257210 262990 267189 268770 275366 281418 287742 289695 293046 295035 301665 313565 315861 317730 328321 334373 341887 349401 358670 360094 366730 376278 385815 394485 413049 445315 451230 466271 469030 479570 488410 502138 511394 526435 534378 538005 540141 550095 579390 582335 590070 603330 609739 623441 627130 631722 656642 668746 683774 688415 698802 703545 719355 732615 753207 767091 771630 788970 797351 815269 826098 890630 900235 932542 940695 984963 1003119 1025661 1052870 1076010 1080282 1100190 1164670 1219478 1246882 1255345 1278485 1335945 1376830 1398813 1407090 1438710 1465230 1506414 1514071 1534182 1579305 1594702 1630538 1641605 1671865 1709435 1747005 1789879 1800470 1829217 1870323 1881390 1969926 2006238 2051322 2065245 2331355 2340611 2392053 2445807 2510690 2556970 2671890 2700705 2797626 3028142 3048695 3117205 3158610 3263897 3283210 3343730 3418870 3494010 3579758 3658434 3740646 3766035 3835455 3986755 4076345 4130490 4268173 4346849 4542213 4662710 4681222 4784106 4891614 4924815 5015595 5128305 5369637 5401410 5581457 6097390 6234410 6527794 6994065 7021833 7532070 7570355 7670910 7926607 7973510 8152690 8536346 8693698 8949395 9084426 9146085 9351615 9791691 9849630 10031190 10256610 10365563 10598497 10739274 11162914 11703055 11960265 12229035 12804519 13040547 13988130 14043666 15140710 15853214 16319485 16744371 17898790 18292170 18703230 19583382 20731126 21196994 21340865 21734245 22711065 23406110 23779821 23920530 24458070 25609038 26081094 26848185 27907285 30427943 31096689 31795491 32638970 33488742 35109165 39633035 42681730 43468490 45422130 47559642 48958455 51827815 52992485 53696370 55486249 55814570 60855886 62193378 63590982 64022595 65202735 70218330 72558941 79266070 83721855 91283829 97916910 103655630 105984970 110972498 118899105 128045190 130405470 134752319 145117882 152139715 155483445 158977455 166458747 167443710 182567658 217676823 237798210 269504638 277431245 304279430 310966890 317954910 332917494 362794705 404256957 435353646 456419145 554862490 673761595 725589410 808513914 832293735 912838290 943266233 1088384115 1347523190 1664587470 1886532466 2021284785 2176768230 2829798699 4042569570 4716331165 5659597398 9432662330 14148993495 28297986990
• Sum of all divisors σ(n): 93197537280
• Sum of proper divisors (its aliquot sum) s(n): 64899550290
• 28297986990 is an abundant number, because the sum of its proper divisors (64899550290) is greater than itself. Its abundance is 36601563300

Bases of 28297986990

• Binary: 11010010110101100010000001110101110₂
• Hexadecimal: 0x696B103AE
• Base-36: CZZW2I6

Squares and roots of 28297986990

• 28297986990 squared (28297986990²) is 800776067686209260100
• 28297986990 cubed (28297986990³) is 22660350745287709044727326099000
• The square root of 28297986990 is 168220.0552550141
• The cube root of 28297986990 is 3047.3231728295

Scales and comparisons

• 28,297,986,990 seconds is equal to 899 years, 40 weeks, 6 days, 23 hours, 56 minutes, 30 seconds.
• To count from 1 to 28,297,986,990 would take you about one thousand, seven hundred ninety-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 28297986990 cubic inches would be around 253.9 feet tall.

Recreational maths with 28297986990

• 28297986990 backwards is 09968979282
• The number of decimal digits it has is: 11
• The sum of 28297986990's digits is 69
• More coming soon!