28715212800

Names of 28715212800

• Cardinal: 28715212800 can be written as Twenty-eight billion, seven hundred fifteen million, two hundred twelve thousand, eight hundred.

Scientific notation

• Scientific notation: 2.87152128 × 10¹⁰

Factors of 28715212800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 587

Divisors of 28715212800

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 64 72 75 80 81 90 96 100 108 120 128 135 144 150 160 162 180 192 200 216 225 240 243 256 270 288 300 320 324 360 384 400 405 432 450 480 486 512 540 576 577 600 640 648 675 720 768 800 810 864 900 960 972 1024 1080 1152 1154 1200 1215 1280 1296 1350 1440 1536 1600 1620 1728 1731 1800 1920 1944 2025 2048 2160 2304 2308 2400 2430 2560 2592 2700 2880 2885 3072 3200 3240 3456 3462 3600 3840 3888 4050 4096 4320 4608 4616 4800 4860 5120 5184 5193 5400 5760 5770 6075 6144 6400 6480 6912 6924 7200 7680 7776 8100 8192 8640 8655 9216 9232 9600 9720 10240 10368 10386 10800 11520 11540 12150 12288 12800 12960 13824 13848 14400 14425 15360 15552 15579 16200 17280 17310 18432 18464 19200 19440 20480 20736 20772 21600 23040 23080 24300 24576 25600 25920 25965 27648 27696 28800 28850 30720 31104 31158 32400 34560 34620 36864 36928 38400 38880 40960 41472 41544 43200 43275 46080 46160 46737 48600 51200 51840 51930 55296 55392 57600 57700 61440 62208 62316 64800 69120 69240 73728 73856 76800 77760 77895 82944 83088 86400 86550 92160 92320 93474 97200 102400 103680 103860 110592 110784 115200 115400 122880 124416 124632 129600 129825 138240 138480 140211 147712 153600 155520 155790 165888 166176 172800 173100 184320 184640 186948 194400 204800 207360 207720 221184 221568 230400 230800 233685 248832 249264 259200 259650 276480 276960 280422 295424 307200 311040 311580 331776 332352 345600 346200 368640 369280 373896 388800 389475 414720 415440 443136 460800 461600 467370 497664 498528 518400 519300 552960 553920 560844 590848 614400 622080 623160 663552 664704 691200 692400 701055 738560 747792 777600 778950 829440 830880 886272 921600 923200 934740 995328 997056 1036800 1038600 1105920 1107840 1121688 1168425 1181696 1244160 1246320 1329408 1382400 1384800 1402110 1477120 1495584 1555200 1557900 1658880 1661760 1772544 1843200 1846400 1869480 1990656 1994112 2073600 2077200 2215680 2243376 2336850 2363392 2488320 2492640 2658816 2764800 2769600 2804220 2954240 2991168 3110400 3115800 3317760 3323520 3505275 3545088 3692800 3738960 3988224 4147200 4154400 4431360 4486752 4673700 4726784 4976640 4985280 5317632 5529600 5539200 5608440 5908480 5982336 6220800 6231600 6647040 7010550 7090176 7385600 7477920 7976448 8294400 8308800 8862720 8973504 9347400 9953280 9970560 10635264 11078400 11216880 11816960 11964672 12441600 12463200 13294080 14021100 14180352 14771200 14955840 15952896 16588800 16617600 17725440 17947008 18694800 19941120 21270528 22156800 22433760 23633920 23929344 24883200 24926400 26588160 28042200 29542400 29911680 31905792 33235200 35450880 35894016 37389600 39882240 42541056 44313600 44867520 47858688 49766400 49852800 53176320 56084400 59084800 59823360 63811584 66470400 70901760 71788032 74779200 79764480 88627200 89735040 95717376 99705600 106352640 112168800 118169600 119646720 127623168 132940800 143576064 149558400 159528960 177254400 179470080 191434752 199411200 212705280 224337600 239293440 265881600 287152128 299116800 319057920 354508800 358940160 382869504 398822400 448675200 478586880 531763200 574304256 598233600 638115840 717880320 797644800 897350400 957173760 1063526400 1148608512 1196467200 1435760640 1595289600 1794700800 1914347520 2392934400 2871521280 3190579200 3589401600 4785868800 5743042560 7178803200 9571737600 14357606400 28715212800
• Sum of all divisors σ(n): 106852416216
• Sum of proper divisors (its aliquot sum) s(n): 78137203416
• 28715212800 is an abundant number, because the sum of its proper divisors (78137203416) is greater than itself. Its abundance is 49421990616

Bases of 28715212800

• Binary: 11010101111100011110110000000000000₂
• Hexadecimal: 0x6AF8F6000
• Base-36: D6WAO00

Squares and roots of 28715212800

• 28715212800 squared (28715212800²) is 824563446149283840000
• 28715212800 cubed (28715212800³) is 23677514823278026033201152000000
• The square root of 28715212800 is 169455.6366722571
• The cube root of 28715212800 is 3062.2267529079

Scales and comparisons

• 28,715,212,800 seconds is equal to 913 years, 2 weeks, 6 days.
• To count from 1 to 28,715,212,800 would take you about one thousand, eight hundred twenty-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 28715212800 cubic inches would be around 255.2 feet tall.

Recreational maths with 28715212800

• 28715212800 backwards is 00821251782
• 28715212800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28715212800's digits is 36
• More coming soon!