28369121280

Names of 28369121280

• Cardinal: 28369121280 can be written as Twenty-eight billion, three hundred sixty-nine million, one hundred twenty-one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.836912128 × 10¹⁰

Factors of 28369121280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 357

Divisors of 28369121280

• Number of divisors d(n): 416
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 128 136 157 160 170 173 192 204 240 255 256 272 314 320 340 346 384 408 471 480 510 512 519 544 628 640 680 692 768 785 816 865 942 960 1020 1024 1038 1088 1256 1280 1360 1384 1536 1570 1632 1730 1884 1920 2040 2048 2076 2176 2355 2512 2560 2595 2669 2720 2768 2941 3072 3140 3264 3460 3768 3840 4080 4096 4152 4352 4710 5024 5120 5190 5338 5440 5536 5882 6144 6280 6528 6920 7536 7680 8007 8160 8304 8704 8823 9420 10048 10240 10380 10676 10880 11072 11764 12288 12560 13056 13345 13840 14705 15072 15360 16014 16320 16608 17408 17646 18840 20096 20480 20760 21352 21760 22144 23528 25120 26112 26690 27161 27680 29410 30144 30720 32028 32640 33216 34816 35292 37680 40035 40192 41520 42704 43520 44115 44288 47056 50240 52224 53380 54322 55360 58820 60288 61440 64056 65280 66432 69632 70584 75360 80070 80384 81483 83040 85408 87040 88230 88576 94112 100480 104448 106760 108644 110720 117640 120576 128112 130560 132864 135805 141168 150720 160140 160768 162966 166080 170816 174080 176460 177152 188224 200960 208896 213520 217288 221440 235280 241152 256224 261120 265728 271610 282336 301440 320280 321536 325932 332160 341632 348160 352920 354304 376448 401920 407415 427040 434576 442880 461737 470560 482304 512448 522240 531456 543220 564672 602880 640560 643072 651864 664320 683264 705840 708608 752896 803840 814830 854080 869152 885760 923474 941120 964608 1024896 1044480 1062912 1086440 1129344 1205760 1281120 1303728 1328640 1366528 1385211 1411680 1505792 1607680 1629660 1708160 1738304 1771520 1846948 1882240 1929216 2049792 2125824 2172880 2258688 2308685 2411520 2562240 2607456 2657280 2733056 2770422 2823360 3011584 3215360 3259320 3416320 3476608 3543040 3693896 3764480 4099584 4345760 4517376 4617370 4823040 5124480 5214912 5314560 5466112 5540844 5646720 6023168 6518640 6832640 6926055 6953216 7387792 7528960 8199168 8691520 9034752 9234740 9646080 10248960 10429824 10629120 10932224 11081688 11293440 12046336 13037280 13665280 13852110 13906432 14775584 15057920 16398336 17383040 18069504 18469480 20497920 20859648 22163376 22586880 26074560 27330560 27704220 27812864 29551168 30115840 32796672 34766080 36139008 36938960 40995840 41719296 44326752 45173760 52149120 54661120 55408440 55625728 59102336 60231680 69532160 73877920 81991680 83438592 88653504 90347520 104298240 110816880 111251456 118204672 139064320 147755840 163983360 166877184 177307008 180695040 208596480 221633760 236409344 278128640 295511680 333754368 354614016 417192960 443267520 472818688 556257280 591023360 709228032 834385920 886535040 945637376 1182046720 1418456064 1668771840 1773070080 1891274752 2364093440 2836912128 3546140160 4728186880 5673824256 7092280320 9456373760 14184560640 28369121280
• Sum of all divisors σ(n): 97280771904
• Sum of proper divisors (its aliquot sum) s(n): 68911650624
• 28369121280 is an abundant number, because the sum of its proper divisors (68911650624) is greater than itself. Its abundance is 40542529344

Bases of 28369121280

• Binary: 11010011010111011100111000000000000₂
• Hexadecimal: 0x69AEE7000
• Base-36: D168Q2O

Squares and roots of 28369121280

• 28369121280 squared (28369121280²) is 804807042199348838400
• 28369121280 cubed (28369121280³) is 22831668587151405133596721152000
• The square root of 28369121280 is 168431.3548007021
• The cube root of 28369121280 is 3049.8744472191

Scales and comparisons

• 28,369,121,280 seconds is equal to 902 years, 2 weeks, 4 days, 7 hours, 28 minutes.
• To count from 1 to 28,369,121,280 would take you about one thousand, eight hundred four 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 28369121280 cubic inches would be around 254.2 feet tall.

Recreational maths with 28369121280

• 28369121280 backwards is 08212196382
• The number of decimal digits it has is: 11
• The sum of 28369121280's digits is 42
• More coming soon!