1998423440
1,998,423,440 is an even composite number composed of six prime numbers multiplied together.
1998423440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 1998423440:
24 × 5 × 13 × 172 × 61 × 109
(2 × 2 × 2 × 2 × 5 × 13 × 17 × 17 × 61 × 109)See below for interesting mathematical facts about the number 1998423440 from the Numbermatics database.
Names of 1998423440
- Cardinal: 1998423440 can be written as One billion, nine hundred ninety-eight million, four hundred twenty-three thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.99842344 × 109
Factors of 1998423440
Divisors of 1998423440
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 8 10 13 16 17 20 26 34 40 52 61 65 68 80 85 104 109 122 130 136 170 208 218 221 244 260 272 289 305 340 436 442 488 520 545 578 610 680 793 872 884 976 1037 1040 1090 1105 1156 1220 1360 1417 1445 1586 1744 1768 1853 2074 2180 2210 2312 2440 2834 2890 3172 3536 3706 3757 3965 4148 4360 4420 4624 4880 5185 5668 5780 6344 6649 7085 7412 7514 7930 8296 8720 8840 9265 10370 11336 11560 12688 13298 13481 14170 14824 15028 15860 16592 17629 17680 18530 18785 20740 22672 23120 24089 26596 26962 28340 29648 30056 31501 31720 33245 35258 37060 37570 41480 48178 53192 53924 56680 60112 63002 63440 66490 67405 70516 74120 75140 82960 86437 88145 96356 106384 107848 113033 113360 120445 126004 132980 134810 141032 148240 150280 157505 172874 176290 192712 215696 226066 229177 240890 252008 265960 269620 282064 300560 315010 345748 352580 385424 409513 432185 452132 458354 481780 504016 531920 539240 565165 630020 691496 705160 819026 864370 904264 916708 963560 1078480 1130330 1145885 1260040 1382992 1410320 1469429 1638052 1728740 1808528 1833416 1921561 1927120 2047565 2260660 2291770 2520080 2938858 3276104 3457480 3666832 3843122 4095130 4521320 4583540 5877716 6552208 6914960 7347145 7686244 8190260 9042640 9167080 9607805 11755432 14694290 15372488 16380520 18334160 19215610 23510864 24980293 29388580 30744976 32761040 38431220 49960586 58777160 76862440 99921172 117554320 124901465 153724880 199842344 249802930 399684688 499605860 999211720 1998423440
- Sum of all divisors σ(n): 5452098960
- Sum of proper divisors (its aliquot sum) s(n): 3453675520
- 1998423440 is an abundant number, because the sum of its proper divisors (3453675520) is greater than itself. Its abundance is 1455252080
Bases of 1998423440
- Binary: 11101110001110110000101100100002
- Hexadecimal: 0x771D8590
- Base-36: X1T5E8
Squares and roots of 1998423440
- 1998423440 squared (19984234402) is 3993696245541433600
- 1998423440 cubed (19984234403) is 7981096189329996397443584000
-
The
square root of 1998423440 is 44703.7295983233 -
The
cube root of 1998423440 is 1259.5899060133
Scales and comparisons
How big is 1998423440?- 1,998,423,440 seconds is equal to 63 years, 28 weeks, 1 day, 21 hours, 37 minutes, 20 seconds.
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To count from 1 to 1,998,423,440 would take you about one hundred twenty-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 1998423440 cubic inches would be around 105 feet tall.
Recreational maths with 1998423440
- 1998423440 backwards is 0443248991
- The number of decimal digits it has is: 10
- The sum of 1998423440's digits is 44
- More coming soon!
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"Number 1998423440 - Facts about the integer". Numbermatics.com. 2024. Web. 11 May 2024.
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Numbermatics. (2024). Number 1998423440 - Facts about the integer. Retrieved 11 May 2024, from https://numbermatics.com/n/1998423440/
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The information we have on file for 1998423440 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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