28789328640

Names of 28789328640

• Cardinal: 28789328640 can be written as Twenty-eight billion, seven hundred eighty-nine million, three hundred twenty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.878932864 × 10¹⁰

Factors of 28789328640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 237

Divisors of 28789328640

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 53 60 64 68 80 85 96 102 106 120 128 136 157 159 160 170 192 204 212 240 255 256 265 272 314 318 320 340 384 408 424 471 480 510 530 544 628 636 640 680 768 785 795 816 848 901 942 960 1020 1060 1088 1256 1272 1280 1360 1570 1590 1632 1696 1802 1884 1920 2040 2120 2176 2355 2512 2544 2669 2703 2720 2809 3140 3180 3264 3392 3604 3768 3840 4080 4240 4352 4505 4710 5024 5088 5338 5406 5440 5618 6280 6360 6528 6784 7208 7536 8007 8160 8321 8427 8480 9010 9420 10048 10176 10676 10812 10880 11236 12560 12720 13056 13345 13515 13568 14045 14416 15072 16014 16320 16642 16854 16960 18020 18840 20096 20352 21352 21624 21760 22472 24963 25120 25440 26690 27030 28090 28832 30144 32028 32640 33284 33708 33920 36040 37680 40035 40192 40704 41605 42135 42704 43248 44944 47753 49926 50240 50880 53380 54060 56180 57664 60288 64056 65280 66568 67416 67840 72080 75360 80070 83210 84270 85408 86496 89888 95506 99852 100480 101760 106760 108120 112360 115328 120576 124815 128112 133136 134832 141457 143259 144160 150720 160140 166420 168540 170816 172992 179776 191012 199704 200960 203520 213520 216240 224720 230656 238765 249630 256224 266272 269664 282914 286518 288320 301440 320280 332840 337080 341632 345984 359552 382024 399408 424371 427040 432480 441013 449440 477530 499260 512448 532544 539328 565828 573036 576640 602880 640560 665680 674160 683264 691968 707285 716295 719104 764048 798816 848742 854080 864960 882026 898880 955060 998520 1024896 1065088 1078656 1131656 1146072 1153280 1281120 1323039 1331360 1348320 1414570 1432590 1528096 1597632 1697484 1708160 1729920 1764052 1797760 1910120 1997040 2049792 2121855 2130176 2157312 2205065 2263312 2292144 2562240 2646078 2662720 2696640 2829140 2865180 3056192 3195264 3394968 3416320 3459840 3528104 3595520 3820240 3994080 4243710 4410130 4526624 4584288 5124480 5292156 5325440 5393280 5658280 5730360 6112384 6390528 6615195 6789936 7056208 7497221 7640480 7988160 8487420 8820260 9053248 9168576 10248960 10584312 10650880 10786560 11316560 11460720 12224768 13230390 13579872 14112416 14994442 15280960 15976320 16974840 17640520 18106496 18337152 21168624 22491663 22633120 22921440 26460780 27159744 28224832 29988884 30561920 31952640 33949680 35281040 36212992 36674304 37486105 42337248 44983326 45266240 45842880 52921560 54319488 56449664 59977768 61123840 67899360 70562080 74972210 84674496 89966652 90532480 91685760 105843120 108638976 112458315 112899328 119955536 135798720 141124160 149944420 169348992 179933304 181064960 183371520 211686240 224916630 239911072 271597440 282248320 299888840 338697984 359866608 423372480 449833260 479822144 543194880 564496640 599777680 719733216 846744960 899666520 959644288 1199555360 1439466432 1693489920 1799333040 1919288576 2399110720 2878932864 3598666080 4798221440 5757865728 7197332160 9596442880 14394664320 28789328640
• Sum of all divisors σ(n): 99858050208
• Sum of proper divisors (its aliquot sum) s(n): 71068721568
• 28789328640 is an abundant number, because the sum of its proper divisors (71068721568) is greater than itself. Its abundance is 42279392928

Bases of 28789328640

• Binary: 11010110011111110100100101100000000₂
• Hexadecimal: 0x6B3FA4B00
• Base-36: D84F85C

Squares and roots of 28789328640

• 28789328640 squared (28789328640²) is 828825443541924249600
• 28789328640 cubed (28789328640³) is 23861328079322222839719788544000
• The square root of 28789328640 is 169674.1837758473
• The cube root of 28789328640 is 3064.8590918867

Scales and comparisons

• 28,789,328,640 seconds is equal to 915 years, 21 weeks, 2 days, 19 hours, 44 minutes.
• To count from 1 to 28,789,328,640 would take you about one thousand, eight hundred thirty 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 28789328640 cubic inches would be around 255.4 feet tall.

Recreational maths with 28789328640

• 28789328640 backwards is 04682398782
• The number of decimal digits it has is: 11
• The sum of 28789328640's digits is 57
• More coming soon!