28009188900

Names of 28009188900

• Cardinal: 28009188900 can be written as Twenty-eight billion, nine million, one hundred eighty-eight thousand, nine hundred.

Scientific notation

• Scientific notation: 2.80091889 × 10¹⁰

Factors of 28009188900

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 238

Divisors of 28009188900

• Number of divisors d(n): 972
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 25 28 29 30 33 35 36 42 44 45 49 50 55 58 60 63 66 70 75 77 84 87 90 98 99 100 105 110 116 121 126 132 140 145 147 150 154 165 174 175 180 181 196 198 203 210 220 225 231 242 245 252 261 275 290 294 300 308 315 319 330 348 350 362 363 385 396 406 420 435 441 450 462 484 490 495 522 525 539 543 550 580 588 605 609 630 638 660 693 700 724 725 726 735 770 812 825 847 870 882 900 905 924 957 980 990 1015 1044 1050 1078 1086 1089 1100 1155 1210 1218 1225 1260 1267 1276 1305 1386 1421 1450 1452 1470 1540 1575 1595 1617 1629 1650 1694 1740 1764 1810 1815 1827 1914 1925 1980 1991 2030 2100 2156 2172 2175 2178 2205 2233 2310 2420 2436 2450 2475 2534 2541 2610 2695 2715 2772 2842 2871 2900 2940 3025 3045 3150 3190 3234 3258 3300 3388 3465 3509 3620 3630 3654 3675 3801 3828 3850 3982 4060 4235 4263 4350 4356 4410 4466 4525 4620 4785 4851 4900 4950 5068 5075 5082 5220 5249 5390 5430 5445 5684 5742 5775 5929 5973 6050 6090 6300 6335 6380 6468 6516 6525 6699 6930 7018 7105 7260 7308 7350 7602 7623 7700 7964 7975 8085 8145 8470 8526 8700 8820 8869 8932 9050 9075 9135 9570 9702 9900 9955 10150 10164 10498 10527 10780 10860 10890 11025 11165 11403 11484 11550 11858 11946 12100 12180 12670 12705 12789 13050 13398 13475 13575 13860 13937 14036 14210 14355 14700 15204 15225 15246 15631 15747 15950 16170 16290 16940 17052 17325 17545 17738 17787 17919 18100 18150 18270 19005 19140 19404 19910 20097 20300 20996 21054 21175 21315 21780 21901 22050 22330 22806 23100 23716 23892 23925 24255 24563 25340 25410 25578 26100 26245 26607 26796 26950 27150 27225 27874 28420 28710 29645 29865 30450 30492 31262 31494 31581 31675 31900 32340 32580 33495 34650 35090 35476 35525 35574 35838 36300 36540 36743 38010 38115 39820 40194 40425 40725 41811 42108 42350 42630 43802 44100 44345 44660 45612 45675 46893 47241 47850 48510 49126 49775 50820 51156 52490 52635 53214 53361 53900 54300 54450 55748 55825 57015 57420 57739 59290 59730 60900 62524 62988 63162 63350 63525 63945 65703 66990 69300 69685 70180 71050 71148 71676 71775 73486 73689 76020 76230 78155 78735 79821 80388 80850 81450 83622 84700 85260 87604 87725 88690 88935 89595 91350 93786 94482 95025 95700 97020 97559 98252 99550 100485 104980 105270 106428 106575 106722 108900 109505 110229 111650 114030 115478 118580 119460 121275 122815 125433 126324 126700 127050 127890 131225 131406 133035 133980 139370 140679 142100 143550 146972 147378 148225 149325 152460 153307 156310 157470 157905 159642 161700 162900 167244 167475 171941 173217 175450 177380 177870 179190 182700 183715 187572 188964 190050 190575 195118 197109 199100 200970 209055 210540 213150 213444 219010 220458 221067 221725 223300 228060 230956 234465 236205 242550 245630 250866 254100 255780 257201 262450 262812 263175 266070 266805 278740 281358 285075 287100 288695 292677 294756 296450 298650 306614 312620 314940 315810 319284 319725 328515 330687 334950 343882 346434 348425 350900 355740 358380 367430 368445 380100 381150 390236 390775 393675 394218 399105 401940 404173 418110 426300 438020 440916 442134 443450 444675 447975 459921 468930 472410 485100 487795 491260 501732 502425 514402 515823 519651 524900 526350 532140 533610 547525 551145 562716 570150 577390 585354 592900 597300 613228 614075 627165 631620 635129 639450 657030 661374 665175 669900 687764 692868 696850 703395 734860 736890 762300 766535 771603 781550 787350 788436 789525 798210 808346 836220 859705 866085 878031 884268 886900 889350 895950 918575 919842 937860 944820 975590 985545 1004850 1028804 1031646 1039302 1045275 1052700 1067220 1073149 1095050 1102290 1105335 1140300 1154780 1170708 1172325 1181025 1212519 1228150 1254330 1270258 1278900 1286005 1314060 1322748 1330350 1334025 1379763 1393700 1406790 1443475 1463385 1473780 1533070 1543206 1547469 1563100 1574700 1579050 1596420 1616692 1642575 1653435 1719410 1732170 1756062 1778700 1791900 1837150 1839684 1842225 1905387 1951180 1971090 1995525 2009700 2020865 2063292 2078604 2090550 2146298 2190100 2204580 2210670 2299605 2314809 2344650 2362050 2425038 2438975 2456300 2508660 2540516 2572010 2579115 2598255 2660700 2668050 2755725 2759526 2813580 2829211 2886950 2926770 3066140 3086412 3094938 3135825 3158100 3175645 3219447 3285150 3306870 3438820 3464340 3512124 3516975 3637557 3674300 3684450 3810774 3832675 3858015 3942180 3991050 4041730 4181100 4292596 4298525 4330425 4390155 4421340 4445903 4599210 4629618 4689300 4724100 4850076 4877950 4927725 5144020 5158230 5196510 5336100 5365745 5511450 5519052 5526675 5658422 5716161 5773900 5853540 6062595 6189876 6271650 6351290 6430025 6438894 6570300 6613740 6898815 7033950 7275114 7316925 7368900 7621548 7665350 7716030 7737345 7982100 8083460 8267175 8487633 8597050 8660850 8780310 8891806 9198420 9259236 9526935 9658341 9755900 9855450 10104325 10316460 10393020 10731490 11022900 11053350 11316844 11432322 11498025 11574045 12125190 12543300 12702580 12860050 12877788 12895575 12991275 13337709 13797630 14067900 14146055 14550228 14633850 15330700 15432060 15474690 15878225 16097235 16534350 16975266 17194100 17321700 17560620 17783612 18187785 19053870 19290075 19316682 19710900 20208650 21462980 21950775 22106700 22229515 22864644 22996050 23148090 24250380 25462899 25720100 25791150 25982550 26675418 26828725 27595260 28292110 28580805 29267700 30312975 30949380 31121321 31756450 32194470 33068700 33950532 34494075 36375570 38107740 38580150 38633364 38686725 40013127 40417300 42438165 43901550 44459030 45992100 46296180 47634675 48291705 50925798 51582300 51965100 53350836 53657450 56584220 57161610 57870225 60625950 62242642 63512900 64388940 66688545 68988150 70730275 72751140 77160300 77373450 80026254 80486175 84876330 87803100 88918060 90938925 93363963 95269350 96583410 101851596 107314900 111147575 114323220 115740450 121251900 124485284 127314495 133377090 137976300 141460550 142904025 154746900 155606605 160052508 160972350 169752660 181877850 186727926 190538700 193166820 200065635 212190825 222295150 231480900 241458525 254628990 266754180 280091889 282921100 285808050 311213210 321944700 333442725 363755700 373455852 400131270 424381650 444590300 466819815 482917050 509257980 560183778 571616100 622426420 636572475 666885450 778033025 800262540 848763300 933639630 965834100 1000328175 1120367556 1273144950 1333770900 1400459445 1556066050 1867279260 2000656350 2334099075 2546289900 2800918890 3112132100 4001312700 4668198150 5601837780 7002297225 9336396300 14004594450 28009188900
• Sum of all divisors σ(n): 116767565460
• Sum of proper divisors (its aliquot sum) s(n): 88758376560
• 28009188900 is an abundant number, because the sum of its proper divisors (88758376560) is greater than itself. Its abundance is 60749187660

Bases of 28009188900

• Binary: 11010000101011110100100111000100100₂
• Hexadecimal: 0x6857A4E24
• Base-36: CV7Y4H0

Squares and roots of 28009188900

• 28009188900 squared (28009188900²) is 784514662835883210000
• 28009188900 cubed (28009188900³) is 21973619386190062527228369000000
• The square root of 28009188900 is 167359.4601449227
• The cube root of 28009188900 is 3036.9211130735

Scales and comparisons

• 28,009,188,900 seconds is equal to 890 years, 31 weeks, 3 days, 10 hours, 15 minutes.
• To count from 1 to 28,009,188,900 would take you about one thousand, seven hundred eighty-one 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 28009188900 cubic inches would be around 253.1 feet tall.

Recreational maths with 28009188900

• 28009188900 backwards is 00988190082
• 28009188900 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28009188900's digits is 45
• More coming soon!