18959789940
18,959,789,940 is an even composite number composed of seven prime numbers multiplied together.
18959789940 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 18959789940:
22 × 3 × 5 × 7 × 13 × 292 × 4129
(2 × 2 × 3 × 5 × 7 × 13 × 29 × 29 × 4129)See below for interesting mathematical facts about the number 18959789940 from the Numbermatics database.
Names of 18959789940
- Cardinal: 18959789940 can be written as Eighteen billion, nine hundred fifty-nine million, seven hundred eighty-nine thousand, nine hundred forty.
Scientific notation
- Scientific notation: 1.895978994 × 1010
Factors of 18959789940
Divisors of 18959789940
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 29 30 35 39 42 52 58 60 65 70 78 84 87 91 105 116 130 140 145 156 174 182 195 203 210 260 273 290 348 364 377 390 406 420 435 455 546 580 609 754 780 812 841 870 910 1015 1092 1131 1218 1365 1508 1682 1740 1820 1885 2030 2262 2436 2523 2639 2730 3045 3364 3770 4060 4129 4205 4524 5046 5278 5460 5655 5887 6090 7540 7917 8258 8410 10092 10556 10933 11310 11774 12180 12387 12615 13195 15834 16516 16820 17661 20645 21866 22620 23548 24774 25230 26390 28903 29435 31668 32799 35322 39585 41290 43732 49548 50460 52780 53677 54665 57806 58870 61935 65598 70644 76531 79170 82580 86709 88305 107354 109330 115612 117740 119741 123870 131196 144515 153062 158340 161031 163995 173418 176610 214708 218660 229593 239482 247740 268385 289030 306124 322062 327990 346836 353220 359223 375739 382655 433545 459186 478964 536770 578060 598705 644124 655980 718446 751478 765310 805155 838187 867090 918372 1073540 1127217 1147965 1197410 1436892 1502956 1530620 1556633 1610310 1676374 1734180 1796115 1878695 2254434 2295930 2394820 2514561 3113266 3220620 3352748 3472489 3592230 3757390 4190935 4508868 4591860 4669899 5029122 5636085 6226532 6944978 7184460 7514780 7783165 8381870 9339798 10058244 10417467 10896431 11272170 12572805 13889956 15566330 16763740 17362445 18679596 20834934 21792862 22544340 23349495 24307423 25145610 31132660 32689293 34724890 41669868 43585724 45142357 46698990 48614846 50291220 52087335 54482155 65378586 69449780 72922269 90284714 93397980 97229692 104174670 108964310 121537115 130757172 135427071 145844538 163446465 180569428 208349340 217928620 225711785 243074230 270854142 291689076 315996499 326892930 364611345 451423570 486148460 541708284 631992998 653785860 677135355 729222690 902847140 947989497 1263985996 1354270710 1458445380 1579982495 1895978994 2708541420 3159964990 3791957988 4739947485 6319929980 9479894970 18959789940
- Sum of all divisors σ(n): 67685479680
- Sum of proper divisors (its aliquot sum) s(n): 48725689740
- 18959789940 is an abundant number, because the sum of its proper divisors (48725689740) is greater than itself. Its abundance is 29765899800
Bases of 18959789940
- Binary: 100011010100001011101101111011101002
- Hexadecimal: 0x46A176F74
- Base-36: 8PK63JO
Squares and roots of 18959789940
- 18959789940 squared (189597899402) is 359473634568925203600
- 18959789940 cubed (189597899403) is 6815544600395144311827731784000
-
The
square root of 18959789940 is 137694.5530513101 -
The
cube root of 18959789940 is 2666.5179229187
Scales and comparisons
How big is 18959789940?- 18,959,789,940 seconds is equal to 602 years, 44 weeks, 6 days, 19 minutes.
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To count from 1 to 18,959,789,940 would take you about one thousand, two hundred 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 18959789940 cubic inches would be around 222.2 feet tall.
Recreational maths with 18959789940
- 18959789940 backwards is 04998795981
- The number of decimal digits it has is: 11
- The sum of 18959789940's digits is 69
- More coming soon!
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