28087979040

Names of 28087979040

• Cardinal: 28087979040 can be written as Twenty-eight billion, eighty-seven million, nine hundred seventy-nine thousand and forty.

Scientific notation

• Scientific notation: 2.808797904 × 10¹⁰

Factors of 28087979040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 904

Divisors of 28087979040

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 23 24 27 30 31 32 33 36 40 44 45 46 48 54 55 60 62 66 69 72 80 88 90 92 93 96 99 108 110 115 120 124 132 135 138 144 155 160 165 176 180 184 186 198 207 216 220 230 240 248 253 264 270 276 279 288 297 310 330 341 345 352 360 368 372 396 414 432 440 460 465 480 495 496 506 528 540 552 558 594 620 621 660 682 690 713 720 736 744 759 792 828 829 837 864 880 920 930 990 992 1012 1023 1035 1056 1080 1104 1116 1188 1240 1242 1265 1320 1364 1380 1395 1426 1440 1485 1488 1518 1584 1656 1658 1674 1705 1760 1840 1860 1980 2024 2046 2070 2139 2160 2208 2232 2277 2376 2480 2484 2487 2530 2640 2728 2760 2790 2852 2970 2976 3036 3069 3105 3168 3312 3316 3348 3410 3565 3680 3720 3795 3960 4048 4092 4140 4145 4185 4278 4320 4464 4554 4752 4960 4968 4974 5060 5115 5280 5456 5520 5580 5704 5940 6072 6138 6210 6417 6624 6632 6696 6820 6831 7130 7440 7461 7590 7843 7920 8096 8184 8280 8290 8370 8556 8928 9108 9119 9207 9504 9936 9948 10120 10230 10695 10912 11040 11160 11385 11408 11880 12144 12276 12420 12435 12834 13264 13392 13640 13662 14260 14880 14922 15180 15345 15686 15840 16368 16560 16580 16740 17112 18216 18238 18414 19067 19251 19872 19896 20240 20460 21390 22320 22383 22770 22816 23529 23760 24288 24552 24840 24870 25668 25699 26528 26784 27280 27324 27357 28520 29844 30360 30690 31372 32085 32736 33120 33160 33480 34155 34224 36432 36476 36828 37305 38134 38502 39215 39792 40480 40920 42780 44640 44766 45540 45595 46035 47058 47520 49104 49680 49740 51336 51398 54560 54648 54714 57040 57201 59688 60720 61380 62744 64170 66320 66960 68310 68448 70587 72864 72952 73656 74610 76268 77004 77097 78430 79584 81840 82071 85560 89532 91080 91190 92070 94116 95335 96255 98208 99360 99480 102672 102796 109296 109428 111915 114080 114402 117645 119376 121440 122760 125488 128340 128495 132640 133920 136620 136785 141174 145904 147312 149220 152536 154008 154194 156860 163680 164142 171120 171603 179064 182160 182380 184140 188232 190670 192510 198960 205344 205592 209737 211761 218592 218856 223830 228804 231291 235290 238752 245520 246213 250976 256680 256990 273240 273570 282348 282689 286005 291808 294624 298440 305072 308016 308388 313720 328284 342240 343206 352935 358128 364320 364760 368280 376464 381340 385020 385485 397920 410355 411184 419474 423522 437712 447660 457608 462582 470580 491040 492426 513360 513980 514809 546480 547140 564696 565378 572010 591077 596880 610144 616032 616776 627440 629211 656568 686412 693873 705870 716256 729520 736560 752928 762680 770040 770970 820710 822368 838948 847044 848067 858015 875424 895320 915216 925164 941160 984852 1026720 1027960 1029618 1048685 1058805 1092960 1094280 1129392 1130756 1144020 1156455 1182154 1193760 1231065 1233552 1254880 1258422 1313136 1372824 1387746 1411740 1413445 1459040 1473120 1525360 1540080 1541940 1641420 1677896 1694088 1696134 1716030 1773231 1790640 1830432 1850328 1882320 1887633 1969704 2055920 2059236 2097370 2117610 2188560 2258784 2261512 2288040 2312910 2364308 2462130 2467104 2516844 2544201 2574045 2626272 2745648 2775492 2823480 2826890 2955385 3050720 3080160 3083880 3146055 3282840 3355792 3388176 3392268 3432060 3469365 3546462 3581280 3700656 3764640 3775266 3939408 4111840 4118472 4194740 4235220 4240335 4377120 4523024 4576080 4625820 4728616 4924260 5033688 5088402 5148090 5319693 5491296 5550984 5646960 5653780 5662899 5910770 6167760 6292110 6501847 6565680 6711584 6776352 6784536 6864120 6938730 7092924 7401312 7550532 7632603 7878816 8236944 8389480 8470440 8480670 8866155 9046048 9152160 9251640 9438165 9457232 9848520 10067376 10176804 10296180 10639386 11101968 11293920 11307560 11325798 11821540 12335520 12584220 12721005 13003694 13131360 13569072 13728240 13877460 14185848 15101064 15265206 15959079 16473888 16778960 16940880 16961340 17732310 18503280 18876330 18914464 19505541 19697040 20134752 20353608 20592360 21278772 22203936 22615120 22651596 23643080 25168440 25442010 26007388 26598465 27138144 27456480 27754920 28314495 28371696 30202128 30530412 31918158 32509235 33557920 33881760 33922680 35464620 37006560 37752660 38163015 39011082 39394080 40707216 41184720 42557544 45230240 45303192 47286160 50336880 50884020 52014776 53196930 55509840 56628990 56743392 58516623 60404256 61060824 63836316 65018470 67845360 70929240 75505320 76326030 78022164 79795395 81414432 82369440 85115088 90606384 94572320 97527705 100673760 101768040 104029552 106393860 111019680 113257980 117033246 122121648 127672632 130036940 135690720 141858480 151010640 152652060 156044328 159590790 170230176 175549869 181212768 195055410 203536080 208059104 212787720 226515960 234066492 244243296 255345264 260073880 283716960 292583115 302021280 305304120 312088656 319181580 351099738 390110820 407072160 425575440 453031920 468132984 510690528 520147760 585166230 610608240 624177312 638363160 702199476 780221640 851150880 877749345 906063840 936265968 1040295520 1170332460 1221216480 1276726320 1404398952 1560443280 1755498690 1872531936 2340664920 2553452640 2808797904 3120886560 3510997380 4681329840 5617595808 7021994760 9362659680 14043989520 28087979040
• Sum of all divisors σ(n): 115657113600
• Sum of proper divisors (its aliquot sum) s(n): 87569134560
• 28087979040 is an abundant number, because the sum of its proper divisors (87569134560) is greater than itself. Its abundance is 59481155520

Bases of 28087979040

• Binary: 11010001010001011001000110000100000₂
• Hexadecimal: 0x68A2C8C20
• Base-36: CWIUVC0

Squares and roots of 28087979040

• 28087979040 squared (28087979040²) is 788934566551479321600
• 28087979040 cubed (28087979040³) is 22159577569229436266094219264000
• The square root of 28087979040 is 167594.6867892895
• The cube root of 28087979040 is 3039.7660773377

Scales and comparisons

• 28,087,979,040 seconds is equal to 893 years, 5 weeks, 5 days, 8 hours, 24 minutes.
• To count from 1 to 28,087,979,040 would take you about one thousand, seven hundred eighty-six 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 28087979040 cubic inches would be around 253.3 feet tall.

Recreational maths with 28087979040

• 28087979040 backwards is 04097978082
• 28087979040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28087979040's digits is 54
• More coming soon!