30178728840

Names of 30178728840

• Cardinal: 30178728840 can be written as Thirty billion, one hundred seventy-eight million, seven hundred twenty-eight thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.017872884 × 10¹⁰

Factors of 30178728840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1147

Divisors of 30178728840

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 37 39 40 52 60 65 74 78 104 111 120 130 148 156 169 185 195 222 260 296 312 338 370 390 444 481 507 520 555 676 740 780 845 888 962 1014 1087 1110 1352 1369 1443 1480 1560 1690 1924 2028 2174 2220 2405 2535 2738 2886 3261 3380 3848 4056 4107 4348 4440 4810 5070 5435 5476 5772 6253 6522 6760 6845 7215 8214 8696 9620 10140 10870 10952 11544 12506 13044 13690 14131 14430 16305 16428 17797 18759 19240 20280 20535 21740 25012 26088 27380 28262 28860 31265 32610 32856 35594 37518 40219 41070 42393 43480 50024 53391 54760 56524 57720 62530 65220 70655 71188 75036 80438 82140 84786 88985 93795 106782 113048 120657 125060 130440 141310 142376 150072 160876 164280 169572 177970 183703 187590 201095 211965 213564 231361 241314 250120 266955 282620 321752 339144 355940 367406 375180 402190 423930 427128 462722 482628 522847 533910 551109 565240 603285 694083 711880 734812 750360 804380 847860 918515 925444 965256 1045694 1067820 1102218 1156805 1206570 1388166 1469624 1488103 1568541 1608760 1695720 1837030 1850888 2091388 2135640 2204436 2313610 2413140 2614235 2755545 2776332 2976206 3137082 3470415 3674060 4182776 4408872 4464309 4627220 4826280 5228470 5511090 5552664 5952412 6274164 6797011 6940830 7348120 7440515 7842705 8928618 9254440 10456940 11022180 11904824 12548328 13594022 13881660 14881030 15685410 17857236 19345339 20391033 20913880 22044360 22321545 27188044 27763320 29762060 31370820 33985055 35714472 38690678 40782066 44643090 54376088 58036017 59524120 62741640 67970110 77381356 81564132 89286180 96726695 101955165 116072034 135940220 154762712 163128264 178572360 193453390 203910330 232144068 251489407 271880440 290180085 386906780 407820660 464288136 502978814 580360170 754468221 773813560 815641320 1005957628 1160720340 1257447035 1508936442 2011915256 2321440680 2514894070 3017872884 3772341105 5029788140 6035745768 7544682210 10059576280 15089364420 30178728840
• Sum of all divisors σ(n): 100850158080
• Sum of proper divisors (its aliquot sum) s(n): 70671429240
• 30178728840 is an abundant number, because the sum of its proper divisors (70671429240) is greater than itself. Its abundance is 40492700400

Bases of 30178728840

• Binary: 11100000110110010101101101110001000₂
• Hexadecimal: 0x706CADB88
• Base-36: DV3MW7C

Squares and roots of 30178728840

• 30178728840 squared (30178728840²) is 910755674398247745600
• 30178728840 cubed (30178728840³) is 27485448537156048885603703104000
• The square root of 30178728840 is 173720.2603037423
• The cube root of 30178728840 is 3113.3908708079

Scales and comparisons

• 30,178,728,840 seconds is equal to 959 years, 30 weeks, 4 days, 20 hours, 14 minutes.
• To count from 1 to 30,178,728,840 would take you about one thousand, nine hundred nineteen 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 30178728840 cubic inches would be around 259.4 feet tall.

Recreational maths with 30178728840

• 30178728840 backwards is 04882787103
• The number of decimal digits it has is: 11
• The sum of 30178728840's digits is 48
• More coming soon!