28938268800

Names of 28938268800

• Cardinal: 28938268800 can be written as Twenty-eight billion, nine hundred thirty-eight million, two hundred sixty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.89382688 × 10¹⁰

Factors of 28938268800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 119

Divisors of 28938268800

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 23 24 25 28 30 32 35 36 40 42 45 46 48 50 56 60 63 64 69 70 72 75 79 80 84 90 92 96 100 105 112 115 120 126 128 138 140 144 150 158 160 161 168 175 180 184 192 200 207 210 224 225 230 237 240 252 276 280 288 300 315 316 320 322 336 345 350 360 368 384 395 400 414 420 448 450 460 474 480 483 504 525 552 553 560 575 576 600 630 632 640 644 672 690 700 711 720 736 790 800 805 828 840 896 900 920 948 960 966 1008 1035 1050 1104 1106 1120 1150 1152 1185 1200 1260 1264 1288 1344 1380 1400 1422 1440 1449 1472 1575 1580 1600 1610 1656 1659 1680 1725 1800 1817 1840 1896 1920 1932 1975 2016 2070 2100 2208 2212 2240 2300 2370 2400 2415 2520 2528 2576 2688 2760 2765 2800 2844 2880 2898 2944 3150 3160 3200 3220 3312 3318 3360 3450 3555 3600 3634 3680 3792 3864 3950 4025 4032 4140 4200 4416 4424 4480 4600 4740 4800 4830 4977 5040 5056 5152 5175 5451 5520 5530 5600 5688 5760 5796 5925 6241 6300 6320 6440 6624 6636 6720 6900 7110 7200 7245 7268 7360 7584 7728 7900 8050 8064 8280 8295 8400 8832 8848 9085 9200 9480 9600 9660 9954 10080 10112 10304 10350 10902 11040 11060 11200 11376 11592 11850 12075 12482 12600 12640 12719 12880 13248 13272 13440 13800 13825 14220 14400 14490 14536 14720 15168 15456 15800 16100 16353 16560 16590 16800 17696 17775 18170 18400 18723 18960 19320 19908 20160 20608 20700 21804 22080 22120 22400 22752 23184 23700 24150 24885 24964 25200 25280 25438 25760 26496 26544 27255 27600 27650 28440 28800 28980 29072 30336 30912 31205 31600 32200 32706 33120 33180 33600 35392 35550 36225 36340 36800 37446 37920 38157 38640 39816 40320 41400 41475 43608 43687 44160 44240 45425 45504 46368 47400 48300 49770 49928 50400 50560 50876 51520 53088 54510 55200 55300 56169 56880 57960 58144 61824 62410 63200 63595 64400 65412 66240 66360 67200 70784 71100 72450 72680 73600 74892 75840 76314 77280 79632 81765 82800 82950 87216 87374 88480 90850 91008 92736 93615 94800 96600 99540 99856 100800 101752 103040 106176 109020 110400 110600 112338 113760 114471 115920 116288 124425 124820 126400 127190 128800 130824 131061 132480 132720 136275 142200 143543 144900 145360 149784 151680 152628 154560 156025 159264 163530 165600 165900 174432 174748 176960 181700 185472 187230 189600 190785 193200 199080 199712 201600 203504 212352 218040 218435 220800 221200 224676 227520 228942 231840 232576 248850 249640 252800 254380 257600 261648 262122 265440 272550 280845 284400 287086 289800 290720 299568 305256 309120 312050 317975 318528 327060 331200 331800 348864 349496 353920 363400 374460 379200 381570 386400 393183 398160 399424 407008 408825 430629 436080 436870 442400 449352 455040 457884 463680 468075 497700 499280 508760 515200 523296 524244 530880 545100 561690 568800 572355 574172 579600 581440 599136 610512 624100 635950 637056 654120 655305 662400 663600 697728 698992 717715 726800 748920 758400 763140 772800 786366 796320 798848 814016 817650 861258 872160 873740 884800 898704 915768 927360 936150 953925 995400 998560 1004801 1017520 1046592 1048488 1061760 1090200 1092175 1123380 1137600 1144710 1148344 1159200 1162880 1198272 1221024 1248200 1271900 1291887 1308240 1310610 1327200 1397984 1404225 1435430 1453600 1497840 1526280 1545600 1572732 1592640 1628032 1635300 1722516 1744320 1747480 1769600 1797408 1831536 1872300 1907850 1965915 1990800 1997120 2009602 2035040 2093184 2096976 2153145 2180400 2184350 2246760 2275200 2289420 2296688 2318400 2396544 2442048 2496400 2543800 2583774 2616480 2621220 2654400 2795968 2808450 2861775 2870860 2907200 2995680 3014403 3052560 3145464 3185280 3270600 3276525 3445032 3488640 3494960 3588575 3594816 3663072 3744600 3815700 3931830 3981600 3994240 4019204 4070080 4193952 4306290 4360800 4368700 4493520 4578840 4593376 4636800 4884096 4992800 5024005 5087600 5167548 5232960 5242440 5308800 5591936 5616900 5723550 5741720 5814400 5991360 6028806 6105120 6290928 6459435 6541200 6553050 6890064 6989920 7177150 7189632 7326144 7489200 7631400 7863660 7963200 8038408 8140160 8387904 8612580 8721600 8737400 8987040 9043209 9157680 9186752 9829575 9985600 10048010 10175200 10335096 10465920 10484880 10765725 11233800 11447100 11483440 11982720 12057612 12210240 12581856 12918870 13082400 13106100 13780128 13979840 14354300 14652288 14978400 15072015 15262800 15727320 15926400 16076816 16775808 17225160 17443200 17474800 17974080 18086418 18315360 18373504 19659150 19971200 20096020 20350400 20670192 20969760 21531450 22467600 22894200 22966880 24115224 24420480 25120025 25163712 25837740 26164800 26212200 27560256 27959680 28708600 29956800 30144030 30525600 31454640 32153632 32297175 34450320 34949600 35948160 36172836 36630720 39318300 40192040 40700800 41340384 41939520 43062900 44935200 45216045 45788400 45933760 48230448 50240050 50327424 51675480 52329600 52424400 55120512 57417200 59913600 60288060 61051200 62909280 64307264 64594350 68900640 69899200 72345672 73261440 75360075 78636600 80384080 82680768 83879040 86125800 89870400 90432090 91576800 91867520 96460896 100480100 103350960 104848800 114834400 120576120 122102400 125818560 128614528 129188700 137801280 139798400 144691344 150720150 157273200 160768160 165361536 172251600 179740800 180864180 183153600 192921792 200960200 206701920 209697600 226080225 229668800 241152240 251637120 258377400 275602560 289382688 301440300 314546400 321536320 344503200 361728360 366307200 385843584 401920400 413403840 419395200 452160450 459337600 482304480 516754800 578765376 602880600 629092800 643072640 689006400 723456720 803840800 826807680 904320900 964608960 1033509600 1157530752 1205761200 1258185600 1378012800 1446913440 1607681600 1808641800 1929217920 2067019200 2411522400 2893826880 3215363200 3617283600 4134038400 4823044800 5787653760 7234567200 9646089600 14469134400 28938268800
• Sum of all divisors σ(n): 124718892480
• Sum of proper divisors (its aliquot sum) s(n): 95780623680
• 28938268800 is an abundant number, because the sum of its proper divisors (95780623680) is greater than itself. Its abundance is 66842354880

Bases of 28938268800

• Binary: 11010111100110110101111000010000000₂
• Hexadecimal: 0x6BCDAF080
• Base-36: DAL3J40

Squares and roots of 28938268800

• 28938268800 squared (28938268800²) is 837423401141053440000
• 28938268800 cubed (28938268800³) is 24233583481630031161884672000000
• The square root of 28938268800 is 170112.5180579019
• The cube root of 28938268800 is 3070.1353022805

Scales and comparisons

• 28,938,268,800 seconds is equal to 920 years, 7 weeks, 4 days, 16 hours.
• To count from 1 to 28,938,268,800 would take you about one thousand, eight hundred forty 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 28938268800 cubic inches would be around 255.8 feet tall.

Recreational maths with 28938268800

• 28938268800 backwards is 00886283982
• The number of decimal digits it has is: 11
• The sum of 28938268800's digits is 54
• More coming soon!