30939531840

Names of 30939531840

• Cardinal: 30939531840 can be written as Thirty billion, nine hundred thirty-nine million, five hundred thirty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.093953184 × 10¹⁰

Factors of 30939531840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 398

Divisors of 30939531840

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 61 63 64 70 72 80 84 90 96 105 112 120 122 126 139 140 144 160 168 180 181 183 192 210 224 240 244 252 278 280 288 305 315 320 336 360 362 366 417 420 427 448 480 488 504 543 549 556 560 576 610 630 672 695 720 724 732 834 840 854 905 915 960 973 976 1008 1086 1098 1112 1120 1220 1251 1260 1267 1281 1344 1390 1440 1448 1464 1629 1668 1680 1708 1810 1830 1946 1952 2016 2085 2135 2172 2196 2224 2240 2440 2502 2520 2534 2562 2715 2745 2780 2880 2896 2919 2928 3258 3336 3360 3416 3620 3660 3801 3843 3892 3904 4032 4170 4270 4344 4392 4448 4865 4880 5004 5040 5068 5124 5430 5490 5560 5792 5838 5856 6255 6335 6405 6516 6672 6720 6832 7240 7320 7602 7686 7784 8145 8340 8479 8540 8688 8757 8784 8896 9730 9760 10008 10080 10136 10248 10860 10980 11041 11120 11403 11584 11676 11712 12510 12670 12810 13032 13344 13664 14480 14595 14640 15204 15372 15568 16290 16680 16958 17080 17376 17514 17568 19005 19215 19460 19520 20016 20160 20272 20496 21720 21960 22082 22240 22806 23352 25020 25159 25340 25437 25620 26064 26688 27328 28960 29190 29280 30408 30744 31136 32580 33123 33360 33916 34160 34752 35028 35136 38010 38430 38920 40032 40544 40992 42395 43440 43785 43920 44164 44480 45612 46704 50040 50318 50680 50874 51240 52128 55205 57015 57920 58380 58560 59353 60816 61488 62272 65160 66246 66720 67832 68320 70056 75477 76020 76311 76860 77287 77840 80064 81088 81984 84790 86880 87570 87840 88328 91224 93408 99369 100080 100636 101360 101748 102480 104256 110410 114030 116760 118706 121632 122976 125795 127185 130320 132492 133440 135664 136640 140112 150954 152040 152622 153720 154574 155680 165615 169580 173760 175140 175680 176113 176656 178059 182448 186816 198738 200160 201272 202720 203496 204960 220820 226431 228060 231861 233520 237412 243264 245952 251590 254370 260640 264984 271328 280224 296765 301908 304080 305244 307440 309148 311360 331230 339160 350280 352226 353312 356118 364896 377385 381555 386435 397476 400320 402544 405440 406992 409920 441640 452862 456120 463722 467040 474824 496845 503180 508740 521280 528339 529968 534177 542656 560448 593530 603816 608160 610488 614880 618296 662460 678320 695583 700560 704452 706624 712236 729792 754770 763110 772870 794952 805088 813984 880565 883280 890295 905724 912240 927444 934080 949648 993690 1006360 1017480 1056678 1059936 1068354 1132155 1159305 1187060 1207632 1216320 1220976 1229760 1236592 1324920 1356640 1391166 1401120 1408904 1424472 1509540 1526220 1534699 1545740 1585017 1589904 1610176 1627968 1761130 1766560 1780590 1811448 1824480 1854888 1899296 1987380 2012720 2034960 2113356 2119872 2136708 2264310 2318610 2374120 2415264 2441952 2473184 2641695 2649840 2670885 2713280 2782332 2802240 2817808 2848944 3019080 3052440 3069398 3091480 3170034 3179808 3477915 3522260 3533120 3561180 3622896 3648960 3709776 3798592 3974760 4025440 4069920 4226712 4273416 4528620 4604097 4637220 4748240 4830528 4883904 4946368 5283390 5299680 5341770 5564664 5635616 5697888 6038160 6104880 6138796 6182960 6340068 6359616 6955830 7044520 7122360 7245792 7419552 7673495 7925085 7949520 8050880 8139840 8453424 8546832 9057240 9208194 9274440 9496480 10566780 10599360 10683540 10742893 11129328 11271232 11395776 12076320 12209760 12277592 12365920 12680136 13812291 13911660 14089040 14244720 14491584 14839104 15346990 15850170 15899040 16906848 17093664 18114480 18416388 18548880 18992960 21133560 21367080 21485786 22258656 23020485 24152640 24419520 24555184 24731840 25360272 27624582 27823320 28178080 28489440 30693980 31700340 31798080 32228679 33813696 34187328 36228960 36832776 37097760 42267120 42734160 42971572 44517312 46040970 49110368 50720544 53714465 55249164 55646640 56356160 56978880 61387960 63400680 64457358 69061455 72457920 73665552 74195520 84534240 85468320 85943144 92081940 96686037 98220736 101441088 107428930 110498328 111293280 122775920 126801360 128914716 138122910 147331104 161143395 169068480 170936640 171886288 184163880 193372074 214857860 220996656 222586560 245551840 253602720 257829432 276245820 294662208 322286790 343772576 368327760 386744148 429715720 441993312 483430185 491103680 507205440 515658864 552491640 644573580 687545152 736655520 773488296 859431440 883986624 966860370 1031317728 1104983280 1289147160 1473311040 1546976592 1718862880 1933720740 2062635456 2209966560 2578294320 3093953184 3437725760 3867441480 4419933120 5156588640 6187906368 7734882960 10313177280 15469765920 30939531840
• Sum of all divisors σ(n): 125192820480
• Sum of proper divisors (its aliquot sum) s(n): 94253288640
• 30939531840 is an abundant number, because the sum of its proper divisors (94253288640) is greater than itself. Its abundance is 63313756800

Bases of 30939531840

• Binary: 11100110100001000111100101001000000₂
• Hexadecimal: 0x73423CA40
• Base-36: E7OLJK0

Squares and roots of 30939531840

• 30939531840 squared (30939531840²) is 957254630478373785600
• 30939531840 cubed (30939531840³) is 29617010118673080170992533504000
• The square root of 30939531840 is 175896.3667617953
• The cube root of 30939531840 is 3139.3368120817

Scales and comparisons

• 30,939,531,840 seconds is equal to 983 years, 40 weeks, 4 days, 10 hours, 24 minutes.
• To count from 1 to 30,939,531,840 would take you about one thousand, nine hundred sixty-seven 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 30939531840 cubic inches would be around 261.6 feet tall.

Recreational maths with 30939531840

• 30939531840 backwards is 04813593903
• 30939531840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30939531840's digits is 45
• More coming soon!