30902090940

Names of 30902090940

• Cardinal: 30902090940 can be written as Thirty billion, nine hundred two million, ninety thousand, nine hundred forty.

Scientific notation

• Scientific notation: 3.090209094 × 10¹⁰

Factors of 30902090940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 956

Divisors of 30902090940

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 163 180 210 252 315 326 379 397 420 489 630 652 758 794 815 978 1137 1141 1191 1260 1467 1516 1588 1630 1895 1956 1985 2274 2282 2382 2445 2653 2779 2934 3260 3411 3423 3573 3790 3970 4548 4564 4764 4890 5306 5558 5685 5705 5868 5955 6822 6846 7146 7335 7580 7940 7959 8337 9780 10269 10612 11116 11370 11410 11910 13265 13644 13692 13895 14292 14670 15918 16674 17055 17115 17865 20538 22740 22820 23820 23877 25011 26530 27790 29340 31836 33348 34110 34230 35730 39795 41076 41685 47754 50022 51345 53060 55580 61777 64711 68220 68460 71460 79590 83370 95508 100044 102690 119385 123554 125055 129422 150463 159180 166740 185331 194133 205380 238770 247108 250110 258844 300926 308885 323555 370662 388266 432439 451389 452977 477540 500220 555993 582399 601852 617770 647110 741324 752315 776532 864878 902778 905954 926655 970665 1053241 1111986 1164798 1235540 1294220 1297317 1354167 1358931 1504630 1729756 1805556 1811908 1853310 1941330 2106482 2162195 2223972 2256945 2264885 2329596 2594634 2708334 2717862 2779965 2911995 3009260 3159723 3706620 3882660 3891951 4076793 4212964 4324390 4513890 4529770 5189268 5266205 5416668 5435724 5559930 5823990 6319446 6486585 6770835 6794655 7783902 8153586 8648780 9027780 9059540 9479169 10532410 11119860 11647980 12638892 12973170 13541670 13589310 15567804 15798615 16307172 18958338 19459755 20383965 21064820 24525469 25946340 27083340 27178620 31597230 37916676 38919510 40767930 47395845 49050938 63194460 73576407 77839020 81535860 94791690 98101876 122627345 147152814 171678283 189583380 220729221 245254690 294305628 343356566 367882035 441458442 490509380 515034849 686713132 735764070 858391415 882916884 1030069698 1103646105 1471528140 1545104547 1716782830 2060139396 2207292210 2575174245 3090209094 3433565660 4414584420 5150348490 6180418188 7725522735 10300696980 15451045470 30902090940
• Sum of all divisors σ(n): 108341076480
• Sum of proper divisors (its aliquot sum) s(n): 77438985540
• 30902090940 is an abundant number, because the sum of its proper divisors (77438985540) is greater than itself. Its abundance is 46536894600

Bases of 30902090940

• Binary: 11100110001111010000111110010111100₂
• Hexadecimal: 0x731E87CBC
• Base-36: E72B1Z0

Squares and roots of 30902090940

• 30902090940 squared (30902090940²) is 954939224464030083600
• 30902090940 cubed (30902090940³) is 29509618756560530402303002584000
• The square root of 30902090940 is 175789.9056828919
• The cube root of 30902090940 is 3138.0699642085

Scales and comparisons

• 30,902,090,940 seconds is equal to 982 years, 30 weeks, 5 days, 2 hours, 9 minutes.
• To count from 1 to 30,902,090,940 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 30902090940 cubic inches would be around 261.5 feet tall.

Recreational maths with 30902090940

• 30902090940 backwards is 04909020903
• 30902090940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30902090940's digits is 36
• More coming soon!