28457287040

Names of 28457287040

• Cardinal: 28457287040 can be written as Twenty-eight billion, four hundred fifty-seven million, two hundred eighty-seven thousand and forty.

Scientific notation

• Scientific notation: 2.845728704 × 10¹⁰

Factors of 28457287040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 139

Divisors of 28457287040

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 29 32 35 40 49 52 56 58 64 65 70 80 83 91 98 104 112 116 128 130 140 145 160 166 182 196 203 208 224 232 245 260 280 290 320 332 364 377 392 406 415 416 448 455 464 490 520 560 580 581 637 640 664 728 754 784 812 830 832 841 896 910 928 980 1015 1040 1079 1120 1160 1162 1274 1328 1421 1456 1508 1568 1624 1660 1664 1682 1820 1856 1885 1960 2030 2080 2158 2240 2320 2324 2407 2548 2639 2656 2842 2905 2912 3016 3136 3185 3248 3320 3364 3640 3712 3770 3920 4060 4067 4160 4205 4316 4480 4640 4648 4814 5096 5278 5312 5395 5684 5810 5824 5887 6032 6272 6370 6496 6640 6728 7105 7280 7540 7553 7840 8120 8134 8320 8410 8632 9280 9296 9628 10192 10556 10624 10790 10933 11368 11620 11648 11774 12035 12064 12740 12992 13195 13280 13456 14210 14560 15080 15106 15680 16240 16268 16820 16849 17264 18473 18560 18592 19256 20335 20384 21112 21580 21866 22736 23240 23548 24070 24128 25480 25984 26390 26560 26912 28420 29120 29435 30160 30212 31291 31360 32480 32536 33640 33698 34528 36946 37184 37765 38512 40670 40768 41209 42224 43160 43732 45472 46480 47096 48140 48256 50960 52780 52871 53120 53824 54665 56840 58240 58870 60320 60424 62582 64960 65072 67280 67396 69056 69803 73892 74368 75530 76531 77024 81340 81536 82418 84245 84448 86320 87464 90944 92365 92960 94192 96280 101920 105560 105742 107648 109330 113680 117740 117943 120640 120848 125164 129920 130144 134560 134792 138112 139606 147784 151060 153062 154048 156455 162680 164836 168490 168896 172640 174928 181888 184730 185920 188384 192560 203840 206045 211120 211484 218660 219037 227360 235480 235886 241280 241696 250328 260288 264355 269120 269584 279212 295568 302120 306124 308096 312910 325360 329672 336980 337792 345280 349015 349856 369460 371840 376768 382655 385120 407680 412090 422240 422968 437320 438074 454720 470960 471772 483392 488621 500656 520576 528710 535717 538240 539168 558424 589715 591136 604240 612248 625820 650720 659344 673960 690560 698030 699712 738920 753536 765310 770240 824180 844480 845936 874640 876148 907439 909440 941920 943544 966784 977242 1001312 1057420 1071434 1078336 1095185 1116848 1179430 1182272 1208480 1224496 1251640 1301440 1318688 1347920 1396060 1399424 1477840 1530620 1533259 1540480 1648360 1688960 1691872 1749280 1752296 1814878 1883840 1887088 1954484 2002624 2114840 2142868 2156672 2190370 2233696 2358860 2364544 2416960 2443105 2448992 2503280 2602880 2637376 2678585 2695840 2792120 2955680 3061240 3066518 3296720 3383744 3420347 3498560 3504592 3629756 3767680 3774176 3908968 4005248 4229680 4285736 4380740 4467392 4537195 4717720 4833920 4886210 4897984 5006560 5274752 5357170 5391680 5584240 5911360 6122480 6133036 6352073 6593440 6767488 6840694 6997120 7009184 7259512 7548352 7666295 7817936 8459360 8571472 8761480 8934784 9074390 9435440 9772420 9795968 10013120 10714340 10783360 11168480 11822720 12244960 12266072 12704146 13186880 13681388 14018368 14519024 15096704 15332590 15635872 16918720 17101735 17142944 17522960 18148780 18870880 19544840 20026240 21428680 22336960 24489920 24532144 25408292 26373760 27362776 28036736 29038048 30665180 31271744 31760365 33837440 34203470 34285888 35045920 36297560 37741760 39089680 42857360 44464511 44673920 48979840 49064288 50816584 54725552 58076096 61330360 62543488 63520730 68406940 68571776 70091840 72595120 75483520 78179360 85714720 88929022 98128576 101633168 109451104 116152192 122660720 127041460 136813880 140183680 145190240 156358720 171429440 177858044 196257152 203266336 218902208 222322555 245321440 254082920 273627760 290380480 312717440 342858880 355716088 406532672 437804416 444645110 490642880 508165840 547255520 580760960 711432176 813065344 889290220 981285760 1016331680 1094511040 1422864352 1778580440 2032663360 2189022080 2845728704 3557160880 4065326720 5691457408 7114321760 14228643520 28457287040
• Sum of all divisors σ(n): 89328854160
• Sum of proper divisors (its aliquot sum) s(n): 60871567120
• 28457287040 is an abundant number, because the sum of its proper divisors (60871567120) is greater than itself. Its abundance is 32414280080

Bases of 28457287040

• Binary: 11010100000001011111011110110000000₂
• Hexadecimal: 0x6A02FBD80
• Base-36: D2MQF7K

Squares and roots of 28457287040

• 28457287040 squared (28457287040²) is 809817185676951961600
• 28457287040 cubed (28457287040³) is 23045200102733998683542257664000
• The square root of 28457287040 is 168692.8778579581
• The cube root of 28457287040 is 3053.0306537911

Scales and comparisons

• 28,457,287,040 seconds is equal to 904 years, 44 weeks, 2 days, 17 hours, 57 minutes, 20 seconds.
• To count from 1 to 28,457,287,040 would take you about one thousand, eight hundred 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 28457287040 cubic inches would be around 254.4 feet tall.

Recreational maths with 28457287040

• 28457287040 backwards is 04078275482
• The number of decimal digits it has is: 11
• The sum of 28457287040's digits is 47
• More coming soon!