30871989720
30,871,989,720 is an even composite number composed of seven prime numbers multiplied together.
30871989720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 30871989720:
23 × 32 × 5 × 11 × 13 × 79 × 7591
(2 × 2 × 2 × 3 × 3 × 5 × 11 × 13 × 79 × 7591)See below for interesting mathematical facts about the number 30871989720 from the Numbermatics database.
Names of 30871989720
- Cardinal: 30871989720 can be written as Thirty billion, eight hundred seventy-one million, nine hundred eighty-nine thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 3.087198972 × 1010
Factors of 30871989720
Divisors of 30871989720
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 13 15 18 20 22 24 26 30 33 36 39 40 44 45 52 55 60 65 66 72 78 79 88 90 99 104 110 117 120 130 132 143 156 158 165 180 195 198 220 234 237 260 264 286 312 316 330 360 390 395 396 429 440 468 474 495 520 572 585 632 660 711 715 780 790 792 858 869 936 948 990 1027 1144 1170 1185 1287 1320 1422 1430 1560 1580 1716 1738 1896 1980 2054 2145 2340 2370 2574 2607 2844 2860 3081 3160 3432 3476 3555 3960 4108 4290 4345 4680 4740 5135 5148 5214 5688 5720 6162 6435 6952 7110 7591 7821 8216 8580 8690 9243 9480 10270 10296 10428 11297 12324 12870 13035 14220 15182 15405 15642 17160 17380 18486 20540 20856 22594 22773 24648 25740 26070 28440 30364 30810 31284 33891 34760 36972 37955 39105 41080 45188 45546 46215 51480 52140 56485 60728 61620 62568 67782 68319 73944 75910 78210 83501 90376 91092 92430 98683 101673 104280 112970 113865 123240 135564 136638 151820 156420 167002 169455 182184 184860 197366 203346 225940 227730 250503 271128 273276 296049 303640 312840 334004 338910 341595 369720 394732 406692 417505 451880 455460 493415 501006 508365 546552 592098 599689 668008 677820 683190 751509 789464 813384 835010 888147 910920 986830 1002012 1016730 1085513 1184196 1199378 1252515 1355640 1366380 1480245 1503018 1670020 1776294 1799067 1973660 2004024 2033460 2171026 2368392 2398756 2505030 2732760 2960490 2998445 3006036 3256539 3340040 3552588 3598134 3757545 3947320 4066920 4342052 4440735 4797512 5010060 5397201 5427565 5920980 5996890 6012072 6513078 6596579 7105176 7196268 7515090 7795957 8684104 8881470 8995335 9769617 10020120 10794402 10855130 11841960 11993780 13026156 13193158 14392536 15030180 15591914 16282695 17762940 17990670 19539234 19789737 21588804 21710260 23387871 23987560 26052312 26386316 26986005 30060360 31183828 32565390 32982895 35525880 35981340 38979785 39078468 39579474 43177608 43420520 46775742 48848085 52772632 53972010 59369211 62367656 65130780 65965790 70163613 71962680 77959570 78156936 79158948 85755527 93551484 97696170 98948685 107944020 116939355 118738422 130261560 131931580 140327226 155919140 158317896 171511054 187102968 195392340 197897370 215888040 233878710 237476844 257266581 263863160 280654452 296846055 311838280 343022108 350818065 390784680 395794740 428777635 467757420 474953688 514533162 561308904 593692110 686044216 701636130 771799743 791589480 857555270 935514840 1029066324 1187384220 1286332905 1403272260 1543599486 1715110540 2058132648 2374768440 2572665810 2806544520 3087198972 3430221080 3858998715 5145331620 6174397944 7717997430 10290663240 15435994860 30871989720
- Sum of all divisors σ(n): 119382681600
- Sum of proper divisors (its aliquot sum) s(n): 88510691880
- 30871989720 is an abundant number, because the sum of its proper divisors (88510691880) is greater than itself. Its abundance is 57638702160
Bases of 30871989720
- Binary: 111001100000001110100101101110110002
- Hexadecimal: 0x7301D2DD8
- Base-36: E6KDVQ0
Squares and roots of 30871989720
- 30871989720 squared (308719897202) is 953079749271785678400
- 30871989720 cubed (308719897203) is 29423468221858744949608026048000
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The
square root of 30871989720 is 175704.2677910813 -
The
cube root of 30871989720 is 3137.0507190305
Scales and comparisons
How big is 30871989720?- 30,871,989,720 seconds is equal to 981 years, 32 weeks, 6 days, 16 hours, 42 minutes.
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To count from 1 to 30,871,989,720 would take you about one thousand, nine hundred sixty-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 30871989720 cubic inches would be around 261.4 feet tall.
Recreational maths with 30871989720
- 30871989720 backwards is 02798917803
- The number of decimal digits it has is: 11
- The sum of 30871989720's digits is 54
- More coming soon!
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The information we have on file for 30871989720 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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