30909729240

Names of 30909729240

• Cardinal: 30909729240 can be written as Thirty billion, nine hundred nine million, seven hundred twenty-nine thousand, two hundred forty.

Scientific notation

• Scientific notation: 3.090972924 × 10¹⁰

Factors of 30909729240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1140

Divisors of 30909729240

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 31 36 39 40 45 52 60 62 65 72 78 90 93 104 117 120 124 130 155 156 180 186 195 234 248 257 260 279 310 312 360 372 390 403 465 468 514 520 558 585 620 744 771 780 806 829 930 936 1028 1116 1170 1209 1240 1285 1395 1542 1560 1612 1658 1860 2015 2056 2232 2313 2340 2418 2487 2570 2790 3084 3224 3316 3341 3627 3720 3855 4030 4145 4626 4680 4836 4974 5140 5580 6045 6168 6632 6682 7254 7461 7710 7967 8060 8290 9252 9672 9948 10023 10280 10777 11160 11565 12090 12435 13364 14508 14922 15420 15934 16120 16580 16705 18135 18504 19896 20046 21554 23130 23901 24180 24870 25699 26728 29016 29844 30069 30840 31868 32331 33160 33410 36270 37305 39835 40092 43108 46260 47802 48360 49740 50115 51398 53885 59688 60138 63736 64662 66820 71703 72540 74610 77097 79670 80184 86216 92520 95604 96993 99480 100230 102796 103571 107770 119505 120276 128495 129324 133640 143406 145080 149220 150345 154194 159340 161655 191208 193986 200460 205592 207142 213053 215540 231291 239010 240552 256990 258648 286812 298440 300690 308388 310713 318680 323310 334087 358515 385485 387972 400920 414284 426106 431080 462582 478020 484965 513980 517855 573624 601380 616776 621426 639159 646620 668174 717030 770970 775944 828568 852212 925164 932139 956040 969930 1002261 1027960 1035710 1065265 1156455 1202760 1242852 1278318 1293240 1336348 1434060 1541940 1553565 1670435 1704424 1850328 1864278 1917477 1939860 2004522 2071420 2130530 2312910 2485704 2556636 2672696 2769689 2868120 3006783 3083880 3107130 3195795 3340870 3728556 3834954 3879720 4009044 4142840 4261060 4625820 4660695 5011305 5113272 5539378 6013566 6214260 6391590 6604643 6681740 7457112 7669908 8018088 8309067 8522120 9251640 9321390 9587385 10022610 11078756 12027132 12428520 12783180 13209286 13363480 13848445 15033915 15339816 16618134 18642780 19174770 19813929 20045220 22157512 24054264 24927201 25566360 26418572 27696890 30067830 33023215 33236268 37285560 38349540 39627858 40090440 41545335 49854402 52837144 55393780 59441787 60135660 66046430 66472536 76699080 79255716 83090670 85860359 99069645 99708804 110787560 118883574 120271320 124636005 132092860 158511432 166181340 171720718 198139290 199417608 237767148 249272010 257581077 264185720 297208935 332362680 343441436 396278580 429301795 475534296 498544020 515162154 594417870 686882872 772743231 792557160 858603590 997088040 1030324308 1188835740 1287905385 1545486462 1717207180 2060648616 2377671480 2575810770 3090972924 3434414360 3863716155 5151621540 6181945848 7727432310 10303243080 15454864620 30909729240
• Sum of all divisors σ(n): 112243622400
• Sum of proper divisors (its aliquot sum) s(n): 81333893160
• 30909729240 is an abundant number, because the sum of its proper divisors (81333893160) is greater than itself. Its abundance is 50424163920

Bases of 30909729240

• Binary: 11100110010010111010000100111011000₂
• Hexadecimal: 0x7325D09D8
• Base-36: E76URQ0

Squares and roots of 30909729240

• 30909729240 squared (30909729240²) is 955411361690110977600
• 30909729240 cubed (30909729240³) is 29531506502661039103167705024000
• The square root of 30909729240 is 175811.6299907375
• The cube root of 30909729240 is 3138.3284962845

Scales and comparisons

• 30,909,729,240 seconds is equal to 982 years, 43 weeks, 2 days, 11 hours, 54 minutes.
• To count from 1 to 30,909,729,240 would take you about one thousand, nine hundred sixty-five 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 30909729240 cubic inches would be around 261.5 feet tall.

Recreational maths with 30909729240

• 30909729240 backwards is 04292790903
• 30909729240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30909729240's digits is 45
• More coming soon!