4978794990

Names of 4978794990

• Cardinal: 4978794990 can be written as Four billion, nine hundred seventy-eight million, seven hundred ninety-four thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 4.97879499 × 10⁹

Factors of 4978794990

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 315

Divisors of 4978794990

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 31 39 43 61 62 65 78 86 93 122 129 130 155 157 183 186 195 215 258 305 310 314 366 390 403 430 465 471 559 610 645 785 793 806 915 930 942 1118 1209 1290 1333 1570 1586 1677 1830 1891 2015 2041 2355 2379 2418 2623 2666 2795 3354 3782 3965 3999 4030 4082 4710 4758 4867 5246 5590 5673 6045 6123 6665 6751 7869 7930 7998 8385 9455 9577 9734 10205 11346 11895 12090 12246 13115 13330 13502 14601 15738 16770 17329 18910 19154 19995 20253 20410 23790 24335 24583 26230 28365 28731 29202 30615 33755 34099 34658 39345 39990 40506 47885 48670 49166 51987 56730 57462 61230 63271 67510 68198 73005 73749 78690 81313 86645 87763 95770 101265 102297 103974 122915 124501 126542 143655 146010 147498 162626 170495 173290 175526 189813 202530 204594 209281 243939 245830 249002 259935 263289 287310 296887 316355 340990 368745 373503 379626 406565 411811 418562 438815 487878 511485 519870 526578 593774 622505 627843 632710 737490 747006 813130 823622 877630 890661 949065 1022970 1046405 1057069 1219695 1235433 1245010 1255686 1316445 1484435 1781322 1867515 1898130 2059055 2092810 2114138 2439390 2470866 2632890 2720653 2968870 3139215 3171207 3735030 3859531 4118110 4453305 5285345 5353543 5441306 6177165 6278430 6342414 7719062 8161959 8906610 10570690 10707086 11578593 12354330 12766141 13603265 15856035 16060629 16323918 19297655 23157186 25532282 26767715 27206530 31712070 32121258 38298423 38595310 40809795 53535430 57892965 63830705 76596846 80303145 81619590 115785930 127661410 160606290 165959833 191492115 331919666 382984230 497879499 829799165 995758998 1659598330 2489397495 4978794990
• Sum of all divisors σ(n): 13903110144
• Sum of proper divisors (its aliquot sum) s(n): 8924315154
• 4978794990 is an abundant number, because the sum of its proper divisors (8924315154) is greater than itself. Its abundance is 3945520164

Bases of 4978794990

• Binary: 100101000110000100110000111101110₂
• Hexadecimal: 0x128C261EE
• Base-36: 2AC8USU

Squares and roots of 4978794990

• 4978794990 squared (4978794990²) is 24788399552449100100
• 4978794990 cubed (4978794990³) is 123416359501851821807888499000
• The square root of 4978794990 is 70560.5767408403
• The cube root of 4978794990 is 1707.5551841551

Scales and comparisons

• 4,978,794,990 seconds is equal to 158 years, 16 weeks, 22 hours, 36 minutes, 30 seconds.
• To count from 1 to 4,978,794,990 would take you about three hundred sixteen 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 4978794990 cubic inches would be around 142.3 feet tall.

Recreational maths with 4978794990

• 4978794990 backwards is 0994978794
• The number of decimal digits it has is: 10
• The sum of 4978794990's digits is 66
• More coming soon!