81836997000
81,836,997,000 is an even composite number composed of six prime numbers multiplied together.
81836997000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 81836997000:
23 × 3 × 53 × 11 × 172 × 8581
(2 × 2 × 2 × 3 × 5 × 5 × 5 × 11 × 17 × 17 × 8581)See below for interesting mathematical facts about the number 81836997000 from the Numbermatics database.
Names of 81836997000
- Cardinal: 81836997000 can be written as Eighty-one billion, eight hundred thirty-six million, nine hundred ninety-seven thousand.
Scientific notation
- Scientific notation: 8.1836997 × 1010
Factors of 81836997000
Divisors of 81836997000
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 17 20 22 24 25 30 33 34 40 44 50 51 55 60 66 68 75 85 88 100 102 110 120 125 132 136 150 165 170 187 200 204 220 250 255 264 275 289 300 330 340 374 375 408 425 440 500 510 550 561 578 600 660 680 748 750 825 850 867 935 1000 1020 1100 1122 1156 1275 1320 1375 1445 1496 1500 1650 1700 1734 1870 2040 2125 2200 2244 2312 2550 2750 2805 2890 3000 3179 3300 3400 3468 3740 4125 4250 4335 4488 4675 5100 5500 5610 5780 6358 6375 6600 6936 7225 7480 8250 8500 8581 8670 9350 9537 10200 11000 11220 11560 12716 12750 14025 14450 15895 16500 17000 17162 17340 18700 19074 21675 22440 23375 25432 25500 25743 28050 28900 31790 33000 34324 34680 36125 37400 38148 42905 43350 46750 47685 51000 51486 56100 57800 63580 68648 70125 72250 76296 79475 85810 86700 93500 94391 95370 102972 108375 112200 127160 128715 140250 144500 145877 158950 171620 173400 187000 188782 190740 205944 214525 216750 238425 257430 280500 283173 289000 291754 317900 343240 377564 381480 397375 429050 433500 437631 471955 476850 514860 561000 566346 583508 635800 643575 729385 755128 794750 858100 867000 875262 943910 953700 1029720 1072625 1132692 1167016 1192125 1287150 1415865 1458770 1589500 1604647 1716200 1750524 1887820 1907400 2145250 2188155 2265384 2359775 2384250 2479909 2574300 2831730 2917540 3179000 3209294 3217875 3501048 3646925 3775640 4290500 4376310 4719550 4768500 4813941 4959818 5148600 5663460 5835080 6418588 6435750 7079325 7293850 7439727 8023235 8581000 8752620 9439100 9537000 9627882 9919636 10940775 11326920 11798875 12399545 12837176 12871500 14158650 14587700 14879454 16046470 17505240 18234625 18878200 19255764 19839272 21881550 23597750 24069705 24799090 25743000 27278999 28317300 29175400 29758908 32092940 35396625 36469250 37198635 38511528 40116175 43763100 47195500 48139410 49598180 54557998 54703875 56634600 59517816 61997725 64185880 70793250 72938500 74397270 80232350 81836997 87526200 94391000 96278820 99196360 109115996 109407750 120348525 123995450 136394995 141586500 145877000 148794540 160464700 163673994 185993175 192557640 200580875 218231992 218815500 240697050 247990900 272789990 283173000 297589080 309988625 320929400 327347988 371986350 401161750 409184985 437631000 481394100 495981800 545579980 601742625 619977250 654695976 681974975 743972700 802323500 818369970 929965875 962788200 1091159960 1203485250 1239954500 1363949950 1487945400 1604647000 1636739940 1859931750 2045924925 2406970500 2479909000 2727899900 3273479880 3409874875 3719863500 4091849850 4813941000 5455799800 6819749750 7439727000 8183699700 10229624625 13639499500 16367399400 20459249250 27278999000 40918498500 81836997000
- Sum of all divisors σ(n): 295926583680
- Sum of proper divisors (its aliquot sum) s(n): 214089586680
- 81836997000 is an abundant number, because the sum of its proper divisors (214089586680) is greater than itself. Its abundance is 132252589680
Bases of 81836997000
- Binary: 10011000011011101110101111001100010002
- Hexadecimal: 0x130DDD7988
- Base-36: 11LFMV0O
Squares and roots of 81836997000
- 81836997000 squared (818369970002) is 6697294077978009000000
- 81836997000 cubed (818369970003) is 548086435367604088598973000000000
-
The
square root of 81836997000 is 286071.6640983515 -
The
cube root of 81836997000 is 4341.6008627057
Scales and comparisons
How big is 81836997000?- 81,836,997,000 seconds is equal to 2,602 years, 8 weeks, 3 days, 11 hours, 10 minutes.
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To count from 1 to 81,836,997,000 would take you about five thousand, two hundred four 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 81836997000 cubic inches would be around 361.8 feet tall.
Recreational maths with 81836997000
- 81836997000 backwards is 00079963818
- 81836997000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81836997000's digits is 51
- More coming soon!
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