28684089720

Names of 28684089720

• Cardinal: 28684089720 can be written as Twenty-eight billion, six hundred eighty-four million, eighty-nine thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.868408972 × 10¹⁰

Factors of 28684089720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 10600

Divisors of 28684089720

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 18 20 22 24 26 30 33 36 39 40 44 45 52 53 55 60 65 66 72 78 88 90 99 104 106 110 117 120 130 132 143 156 159 165 180 195 198 212 220 234 260 264 265 286 312 318 330 360 390 396 424 429 440 468 477 495 520 530 572 583 585 636 660 689 715 780 792 795 858 936 954 990 1060 1144 1166 1170 1272 1287 1320 1378 1430 1560 1590 1716 1749 1908 1980 2067 2120 2145 2332 2340 2385 2574 2756 2860 2915 3180 3432 3445 3498 3816 3960 4134 4290 4664 4680 4770 5148 5247 5512 5720 5830 6201 6360 6435 6890 6996 7579 8268 8580 8745 9540 10296 10335 10494 10513 11660 12402 12870 13780 13992 15158 16536 17160 17490 19080 20670 20988 21026 22737 23320 24804 25740 26235 27560 30316 31005 31539 34980 37895 41340 41976 42052 45474 49608 51480 52470 52565 60632 62010 63078 68211 69960 75790 82680 84104 90948 94617 104940 105130 113685 115643 124020 126156 136422 136669 151580 157695 181896 189234 209880 210260 227370 231286 248040 252312 272844 273338 303160 315390 341055 346929 378468 410007 420520 454740 462572 473085 545688 546676 557189 578215 630780 682110 683345 693858 756936 820014 909480 925144 946170 1040787 1093352 1114378 1156430 1230021 1261560 1364220 1366690 1387716 1503359 1640028 1671567 1734645 1892340 2050035 2081574 2228756 2312860 2460042 2728440 2733380 2775432 2785945 3006718 3280056 3343134 3469290 3784680 4100070 4163148 4457512 4510077 4625720 4920084 5014701 5203935 5466760 5571890 6013436 6129079 6150105 6686268 6938580 7243457 7516795 8200140 8326296 8357835 9020154 9840168 10029402 10407870 11143780 12026872 12258158 12300210 13372536 13530231 13877160 14486914 15033590 16400280 16715670 18040308 18387237 20058804 20815740 21730371 22287560 22550385 24516316 24600420 25073505 27060462 28973828 30067180 30645395 33431340 36080616 36217285 36774474 40117608 41631480 43460742 45100770 49032632 49200840 50147010 54120924 55161711 57947656 60134360 61290790 65191113 66862680 67651155 72434570 73548948 79678027 86921484 90201540 91936185 100294020 108241848 108651855 110323422 122581580 130382226 135302310 144869140 147097896 159356054 173842968 180403080 183872370 200588040 217303710 220646844 239034081 245163160 260764452 270604620 275808555 289738280 318712108 325955565 367744740 398390135 434607420 441293688 478068162 521528904 541209240 551617110 637424216 651911130 717102243 735489480 796780270 869214840 956136324 1103234220 1195170405 1303822260 1434204486 1593560540 1912272648 2206468440 2390340810 2607644520 2868408972 3187121080 3585511215 4780681620 5736817944 7171022430 9561363240 14342044860 28684089720
• Sum of all divisors σ(n): 111598119360
• Sum of proper divisors (its aliquot sum) s(n): 82914029640
• 28684089720 is an abundant number, because the sum of its proper divisors (82914029640) is greater than itself. Its abundance is 54229939920

Bases of 28684089720

• Binary: 11010101101101101000111100101111000₂
• Hexadecimal: 0x6ADB47978
• Base-36: D6DRLA0

Squares and roots of 28684089720

• 28684089720 squared (28684089720²) is 822777003065009678400
• 28684089720 cubed (28684089720³) is 23600609375469452607893946048000
• The square root of 28684089720 is 169363.7792445599
• The cube root of 28684089720 is 3061.1200180425

Scales and comparisons

• 28,684,089,720 seconds is equal to 912 years, 3 weeks, 2 days, 18 hours, 42 minutes.
• To count from 1 to 28,684,089,720 would take you about one thousand, eight hundred twenty-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 28684089720 cubic inches would be around 255.1 feet tall.

Recreational maths with 28684089720

• 28684089720 backwards is 02798048682
• The number of decimal digits it has is: 11
• The sum of 28684089720's digits is 54
• More coming soon!