1988729138240
1,988,729,138,240 is an even composite number composed of seven prime numbers multiplied together.
1988729138240 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 1988729138240:
26 × 5 × 13 × 47 × 79 × 199 × 647
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 47 × 79 × 199 × 647)See below for interesting mathematical facts about the number 1988729138240 from the Numbermatics database.
Names of 1988729138240
- Cardinal: 1988729138240 can be written as One trillion, nine hundred eighty-eight billion, seven hundred twenty-nine million, one hundred thirty-eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.98872913824 × 1012
Factors of 1988729138240
Divisors of 1988729138240
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 40 47 52 64 65 79 80 94 104 130 158 160 188 199 208 235 260 316 320 376 395 398 416 470 520 611 632 647 752 790 796 832 940 995 1027 1040 1222 1264 1294 1504 1580 1592 1880 1990 2054 2080 2444 2528 2587 2588 3008 3055 3160 3184 3235 3713 3760 3980 4108 4160 4888 5056 5135 5174 5176 6110 6320 6368 6470 7426 7520 7960 8216 8411 9353 9776 10270 10348 10352 12220 12640 12736 12935 12940 14852 15040 15721 15920 16432 16822 18565 18706 19552 20540 20696 20704 24440 25280 25870 25880 29704 30409 31442 31840 32864 33644 37130 37412 39104 41080 41392 41408 42055 46765 48269 48880 51113 51740 51760 59408 60818 62884 63680 65728 67288 74260 74824 78605 82160 82784 84110 93530 96538 97760 102226 103480 103520 118816 121589 121636 125768 128753 134576 148520 149648 152045 157210 164320 165568 168220 187060 193076 195520 204373 204452 206960 207040 237632 241345 243178 243272 251536 255565 257506 269152 297040 299296 304090 314420 328640 336440 374120 386152 395317 408746 408904 413920 482690 486356 486544 503072 511130 515012 538304 594080 598592 607945 608180 628840 643765 664469 672880 738887 748240 772304 790634 817492 817808 827840 965380 972712 973088 1006144 1021865 1022260 1030024 1188160 1215890 1216360 1257680 1287530 1328938 1345760 1477774 1496480 1544608 1581268 1634984 1635616 1673789 1930760 1945424 1946176 1976585 2043730 2044520 2060048 2402311 2431780 2432720 2515360 2575060 2657876 2691520 2955548 2992960 3089216 3162536 3269968 3271232 3322345 3347578 3694435 3861520 3890848 3953170 4087460 4089040 4120096 4804622 4863560 4865440 5030720 5150120 5315752 5911096 6051391 6325072 6539936 6644690 6695156 7388870 7723040 7781696 7906340 8174920 8178080 8240192 8368945 9605531 9609244 9727120 9730880 10171487 10300240 10631504 11822192 12011555 12102782 12650144 13079872 13289380 13390312 14777740 15446080 15812680 16349840 16356160 16737890 19211062 19218488 19454240 20342974 20600480 21263008 23644384 24023110 24205564 25300288 26578760 26780624 29555480 30256955 31230043 31625360 32699680 33475780 38422124 38436976 38908480 40685948 41200960 42526016 47288768 48027655 48046220 48411128 50857435 53157520 53561248 59110960 60513910 62460086 63250720 65399360 66951560 76844248 76873952 78668083 81371896 96055310 96092440 96822256 101714870 106315040 107122496 118221920 121027820 124920172 126501440 132229331 133903120 153688496 153747904 156150215 157336166 162743792 192110620 192184880 193644512 203429740 212630080 236443840 242055640 249840344 264458662 267806240 307376992 312300430 314672332 325487584 384221240 384369760 387289024 393340415 406859480 478059889 484111280 499680688 528917324 535612480 614753984 624600860 629344664 650975168 661146655 768442480 768739520 786680830 813718960 956119778 968222560 999361376 1057834648 1249201720 1258689328 1322293310 1536884960 1573361660 1627437920 1912239556 1936445120 1998722752 2115669296 2390299445 2498403440 2517378656 2644586620 3073769920 3146723320 3254875840 3824479112 4231338592 4780598890 4996806880 5034757312 5289173240 6214778557 6293446640 7648958224 8462677184 9561197780 9993613760 10578346480 12429557114 12586893280 15297916448 19122395560 21156692960 24859114228 25173786560 30595832896 31073892785 38244791120 42313385920 49718228456 62147785570 76489582240 99436456912 124295571140 152979164480 198872913824 248591142280 397745827648 497182284560 994364569120 1988729138240
- Sum of all divisors σ(n): 5309079552000
- Sum of proper divisors (its aliquot sum) s(n): 3320350413760
- 1988729138240 is an abundant number, because the sum of its proper divisors (3320350413760) is greater than itself. Its abundance is 1331621275520
Bases of 1988729138240
- Binary: 111001111000010010111111001101100010000002
- Hexadecimal: 0x1CF097E6C40
- Base-36: PDLXZBY8
Squares and roots of 1988729138240
- 1988729138240 squared (19887291382402) is 3955043585284813030297600
- 1988729138240 cubed (19887291382403) is 7865510421065106162703269058740224000
-
The
square root of 1988729138240 is 1410223.0810194537 -
The
cube root of 1988729138240 is 12575.4985740687
Scales and comparisons
How big is 1988729138240?- 1,988,729,138,240 seconds is equal to 63,235 years, 22 weeks, 4 days, 8 hours, 37 minutes, 20 seconds.
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To count from 1 to 1,988,729,138,240 would take you about one hundred fifty-eight thousand and eighty-eight 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 1988729138240 cubic inches would be around 1048 feet tall.
Recreational maths with 1988729138240
- 1988729138240 backwards is 0428319278891
- The number of decimal digits it has is: 13
- The sum of 1988729138240's digits is 62
- More coming soon!
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Numbermatics. (2024). Number 1988729138240 - Facts about the integer. Retrieved 7 June 2024, from https://numbermatics.com/n/1988729138240/
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