30409812720

Names of 30409812720

• Cardinal: 30409812720 can be written as Thirty billion, four hundred nine million, eight hundred twelve thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 3.040981272 × 10¹⁰

Factors of 30409812720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 33049

Divisors of 30409812720

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 54 56 60 61 63 70 72 80 84 90 105 108 112 120 122 126 135 140 144 168 180 183 189 210 216 240 244 252 270 280 305 315 336 360 366 378 420 427 432 488 504 540 549 560 610 630 720 732 756 840 854 915 945 976 1008 1080 1098 1220 1260 1281 1464 1512 1647 1680 1708 1830 1890 2135 2160 2196 2440 2520 2562 2745 2928 3024 3294 3416 3660 3780 3843 4270 4392 4880 5040 5124 5490 6405 6588 6832 7320 7560 7686 8235 8540 8784 10248 10980 11529 12810 13176 14640 15120 15372 16470 17080 19215 20496 21960 23058 25620 26352 30744 32940 32971 34160 38430 43920 46116 51240 57645 61488 65880 65942 76860 92232 98913 102480 115290 131760 131884 153720 164855 184464 197826 230580 230797 263768 296739 307440 329710 395652 461160 461594 494565 527536 593478 659420 692391 791304 890217 922320 923188 989130 1153985 1186956 1318840 1384782 1483695 1582608 1780434 1846376 1978260 2011231 2077173 2307970 2373912 2637680 2769564 2967390 3461955 3560868 3692752 3956520 4022462 4154346 4451085 4615940 4747824 5539128 5934780 6033693 6231519 6923910 7121736 7913040 8044924 8308692 8902170 9231880 10056155 10385865 11078256 11869560 12067386 12463038 13847820 14078617 14243472 16089848 16617384 17804340 18101079 18463760 20112310 20771730 23739120 24134772 24926076 27695640 28157234 30168465 31157595 32179696 33234768 35608680 36202158 40224620 41543460 42235851 48269544 49852152 54303237 55391280 56314468 60336930 62315190 70393085 71217360 72404316 80449240 83086920 84471702 90505395 96539088 99704304 108606474 112628936 120673860 124630380 126707553 140786170 144808632 160898480 166173840 168943404 181010790 211179255 217212948 225257872 241347720 249260760 253415106 271516185 281572340 289617264 337886808 362021580 380122659 422358510 434425896 482695440 498521520 506830212 543032370 563144680 633537765 675773616 724043160 760245318 844717020 868851792 1013660424 1086064740 1126289360 1267075530 1448086320 1520490636 1689434040 1900613295 2027320848 2172129480 2534151060 3040981272 3378868080 3801226590 4344258960 5068302120 6081962544 7602453180 10136604240 15204906360 30409812720
• Sum of all divisors σ(n): 121674593280
• Sum of proper divisors (its aliquot sum) s(n): 91264780560
• 30409812720 is an abundant number, because the sum of its proper divisors (91264780560) is greater than itself. Its abundance is 60854967840

Bases of 30409812720

• Binary: 11100010100100100001110101011110000₂
• Hexadecimal: 0x71490EAF0
• Base-36: DYX7TO0

Squares and roots of 30409812720

• 30409812720 squared (30409812720²) is 924756709665473798400
• 30409812720 cubed (30409812720³) is 28121678352490472059411035648000
• The square root of 30409812720 is 174384.0953756965
• The cube root of 30409812720 is 3121.3172692123

Scales and comparisons

• 30,409,812,720 seconds is equal to 966 years, 48 weeks, 5 days, 10 hours, 12 minutes.
• To count from 1 to 30,409,812,720 would take you about one thousand, nine hundred thirty-three 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 30409812720 cubic inches would be around 260.1 feet tall.

Recreational maths with 30409812720

• 30409812720 backwards is 02721890403
• 30409812720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30409812720's digits is 36
• More coming soon!