28420490670

Names of 28420490670

• Cardinal: 28420490670 can be written as Twenty-eight billion, four hundred twenty million, four hundred ninety thousand, six hundred seventy.

Scientific notation

• Scientific notation: 2.842049067 × 10¹⁰

Factors of 28420490670

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 859

Divisors of 28420490670

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 73 78 110 130 143 146 151 165 195 219 286 302 330 365 390 429 438 453 601 715 730 755 803 858 906 949 1095 1202 1430 1510 1606 1661 1803 1898 1963 2145 2190 2265 2409 2847 3005 3322 3606 3926 4015 4290 4530 4745 4818 4983 5694 5889 6010 6611 7813 8030 8305 9015 9490 9815 9966 10439 11023 11778 12045 13222 14235 15626 16610 18030 19630 19833 20878 21593 22046 23439 24090 24915 28470 29445 31317 33055 33069 39065 39666 43186 43873 46878 49830 52195 55115 58890 62634 64779 66110 66138 78130 85943 87746 90751 99165 104390 107965 110230 117195 121253 129558 131619 143299 156585 165345 171886 181502 198330 215930 219365 234390 242506 257829 263238 272253 286598 313170 323895 330690 363759 429715 429897 438730 453755 482603 515658 544506 570349 606265 647790 658095 716495 727518 859430 859794 907510 965206 998261 1140698 1179763 1212530 1289145 1316190 1361265 1432990 1447809 1576289 1711047 1818795 1996522 2149485 2359526 2413015 2578290 2722530 2851745 2895618 2994783 3152578 3422094 3539289 3637590 4298970 4728867 4826030 4991305 5703490 5898815 5989566 6273839 6624823 7078578 7239045 7881445 8555235 9457734 9982610 11797630 12547678 12977393 13249646 14478090 14973915 15762890 17110470 17696445 18821517 19874469 23644335 25954786 29947830 31369195 33124115 35392890 37643034 38932179 39748938 47288670 62738390 64886965 66248230 72873053 77864358 86122699 94107585 99372345 129773930 145746106 172245398 188215170 194660895 198744690 218619159 258368097 364365265 389321790 430613495 437238318 516736194 728730530 861226990 947349689 1093095795 1291840485 1894699378 2186191590 2583680970 2842049067 4736748445 5684098134 9473496890 14210245335 28420490670
• Sum of all divisors σ(n): 81905596416
• Sum of proper divisors (its aliquot sum) s(n): 53485105746
• 28420490670 is an abundant number, because the sum of its proper divisors (53485105746) is greater than itself. Its abundance is 25064615076

Bases of 28420490670

• Binary: 11010011101111111100100010110101110₂
• Hexadecimal: 0x69DFE45AE
• Base-36: D20TQY6

Squares and roots of 28420490670

• 28420490670 squared (28420490670²) is 807724289923557048900
• 28420490670 cubed (28420490670³) is 22955920645704828121475183763000
• The square root of 28420490670 is 168583.7793798679
• The cube root of 28420490670 is 3051.7141907425

Scales and comparisons

• 28,420,490,670 seconds is equal to 903 years, 35 weeks, 3 days, 20 hours, 44 minutes, 30 seconds.
• To count from 1 to 28,420,490,670 would take you about one thousand, eight hundred seven 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 28420490670 cubic inches would be around 254.3 feet tall.

Recreational maths with 28420490670

• 28420490670 backwards is 07609402482
• The number of decimal digits it has is: 11
• The sum of 28420490670's digits is 42
• More coming soon!