1681387491840
1,681,387,491,840 is an even composite number composed of six prime numbers multiplied together.
1681387491840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 1681387491840:
29 × 3 × 5 × 7 × 5021 × 6229
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 5021 × 6229)See below for interesting mathematical facts about the number 1681387491840 from the Numbermatics database.
Names of 1681387491840
- Cardinal: 1681387491840 can be written as One trillion, six hundred eighty-one billion, three hundred eighty-seven million, four hundred ninety-one thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.68138749184 × 1012
Factors of 1681387491840
Divisors of 1681387491840
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 256 280 320 336 384 420 448 480 512 560 640 672 768 840 896 960 1120 1280 1344 1536 1680 1792 1920 2240 2560 2688 3360 3584 3840 4480 5021 5376 6229 6720 7680 8960 10042 10752 12458 13440 15063 17920 18687 20084 24916 25105 26880 30126 31145 35147 37374 40168 43603 49832 50210 53760 60252 62290 70294 74748 75315 80336 87206 93435 99664 100420 105441 120504 124580 130809 140588 149496 150630 160672 174412 175735 186870 199328 200840 210882 218015 241008 249160 261618 281176 298992 301260 321344 348824 351470 373740 398656 401680 421764 436030 482016 498320 523236 527205 562352 597984 602520 642688 654045 697648 702940 747480 797312 803360 843528 872060 964032 996640 1046472 1054410 1124704 1195968 1205040 1285376 1308090 1395296 1405880 1494960 1594624 1606720 1687056 1744120 1928064 1993280 2092944 2108820 2249408 2391936 2410080 2570752 2616180 2790592 2811760 2989920 3189248 3213440 3374112 3488240 3856128 3986560 4185888 4217640 4498816 4783872 4820160 5232360 5581184 5623520 5979840 6426880 6748224 6976480 7712256 7973120 8371776 8435280 8997632 9567744 9640320 10464720 11162368 11247040 11959680 12853760 13496448 13952960 15946240 16743552 16870560 17995264 19280640 20929440 22324736 22494080 23919360 26992896 27905920 31275809 33487104 33741120 38561280 41858880 44988160 47838720 53985792 55811840 62551618 66974208 67482240 83717760 89976320 93827427 111623680 125103236 134964480 156379045 167435520 187654854 218930663 250206472 269928960 312758090 334871040 375309708 437861326 469137135 500412944 625516180 656791989 750619416 875722652 938274270 1000825888 1094653315 1251032360 1313583978 1501238832 1751445304 1876548540 2001651776 2189306630 2502064720 2627167956 3002477664 3283959945 3502890608 3753097080 4003303552 4378613260 5004129440 5254335912 6004955328 6567919890 7005781216 7506194160 8006607104 8757226520 10008258880 10508671824 12009910656 13135839780 14011562432 15012388320 16013214208 17514453040 20016517760 21017343648 24019821312 26271679560 28023124864 30024776640 35028906080 40033035520 42034687296 48039642624 52543359120 56046249728 60049553280 70057812160 80066071040 84069374592 105086718240 112092499456 120099106560 140115624320 168138749184 210173436480 240198213120 280231248640 336277498368 420346872960 560462497280 840693745920 1681387491840
- Sum of all divisors σ(n): 6145279176960
- Sum of proper divisors (its aliquot sum) s(n): 4463891685120
- 1681387491840 is an abundant number, because the sum of its proper divisors (4463891685120) is greater than itself. Its abundance is 2782504193280
Bases of 1681387491840
- Binary: 110000111011110101000000100010010000000002
- Hexadecimal: 0x1877A811200
- Base-36: LGF2P7UO
Squares and roots of 1681387491840
- 1681387491840 squared (16813874918402) is 2827063897716006066585600
- 1681387491840 cubed (16813874918403) is 4753389876252129744918586016661504000
-
The
square root of 1681387491840 is 1296683.2658132055 -
The
cube root of 1681387491840 is 11891.1156808607
Scales and comparisons
How big is 1681387491840?- 1,681,387,491,840 seconds is equal to 53,462 years, 47 weeks, 6 days, 9 hours, 4 minutes.
-
To count from 1 to 1,681,387,491,840 would take you about one hundred thirty-three thousand, six hundred fifty-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 1681387491840 cubic inches would be around 990.9 feet tall.
Recreational maths with 1681387491840
- 1681387491840 backwards is 0481947831861
- 1681387491840 is a
Harshad number . - The number of decimal digits it has is: 13
- The sum of 1681387491840's digits is 60
- More coming soon!
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