138286891008

Names of 138286891008

• Cardinal: 138286891008 can be written as One hundred thirty-eight billion, two hundred eighty-six million, eight hundred ninety-one thousand and eight.

Scientific notation

• Scientific notation: 1.38286891008 × 10¹¹

Factors of 138286891008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 839

Divisors of 138286891008

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 128 144 162 168 189 192 216 224 243 252 256 288 324 336 378 384 432 448 486 504 512 567 576 648 672 729 756 768 827 864 896 972 1008 1024 1134 1152 1296 1344 1458 1512 1536 1654 1701 1728 1792 1944 2016 2048 2268 2304 2481 2592 2688 2916 3024 3072 3308 3402 3456 3584 3888 4032 4096 4536 4608 4962 5103 5184 5376 5789 5832 6048 6144 6616 6804 6912 7168 7443 7776 8064 8192 9072 9216 9924 10206 10368 10752 11578 11664 12096 12288 13232 13608 13824 14336 14886 15552 16128 16384 17367 18144 18432 19848 20412 20736 21504 22329 23156 23328 24192 24576 26464 27216 27648 28672 29772 31104 32256 32768 34734 36288 36864 39696 40824 41472 43008 44658 46312 46656 48384 49152 52101 52928 54432 55296 57344 59544 62208 64512 66987 69468 72576 73728 79392 81648 82944 86016 89316 92624 93312 96768 98304 104202 105856 108864 110592 114688 119088 124416 129024 133974 138936 145152 147456 156303 158784 163296 165888 172032 178632 185248 186624 193536 200961 208404 211712 217728 221184 229376 238176 248832 258048 267948 277872 290304 294912 312606 317568 326592 331776 344064 357264 370496 373248 387072 401922 416808 423424 435456 442368 468909 476352 497664 516096 535896 555744 580608 602883 625212 635136 653184 663552 688128 714528 740992 746496 774144 803844 833616 846848 870912 884736 937818 952704 995328 1032192 1071792 1111488 1161216 1205766 1250424 1270272 1306368 1327104 1406727 1429056 1481984 1492992 1548288 1607688 1667232 1693696 1741824 1875636 1905408 1990656 2064384 2143584 2222976 2322432 2411532 2500848 2540544 2612736 2654208 2813454 2858112 2963968 2985984 3096576 3215376 3334464 3387392 3483648 3751272 3810816 3981312 4220181 4287168 4445952 4644864 4823064 5001696 5081088 5225472 5626908 5716224 5927936 5971968 6193152 6430752 6668928 6774784 6967296 7502544 7621632 7962624 8440362 8574336 8891904 9289728 9646128 10003392 10162176 10450944 11253816 11432448 11855872 11943936 12861504 13337856 13549568 13934592 15005088 15243264 16880724 17148672 17783808 18579456 19292256 20006784 20324352 20901888 22507632 22864896 23711744 23887872 25723008 26675712 27099136 27869184 30010176 30486528 33761448 34297344 35567616 38584512 40013568 40648704 41803776 45015264 45729792 47423488 51446016 53351424 55738368 60020352 60973056 67522896 68594688 71135232 77169024 80027136 81297408 83607552 90030528 91459584 94846976 102892032 106702848 120040704 121946112 135045792 137189376 142270464 154338048 160054272 167215104 180061056 182919168 189693952 205784064 213405696 240081408 243892224 270091584 274378752 284540928 308676096 320108544 360122112 365838336 411568128 426811392 480162816 540183168 548757504 569081856 617352192 640217088 720244224 731676672 823136256 853622784 960325632 1080366336 1097515008 1234704384 1280434176 1440488448 1646272512 1707245568 1920651264 2160732672 2195030016 2469408768 2560868352 2880976896 3292545024 3841302528 4321465344 4938817536 5121736704 5761953792 6585090048 7682605056 8642930688 9877635072 11523907584 15365210112 17285861376 19755270144 23047815168 34571722752 46095630336 69143445504 138286891008
• Sum of all divisors σ(n): 474475497120
• Sum of proper divisors (its aliquot sum) s(n): 336188606112
• 138286891008 is an abundant number, because the sum of its proper divisors (336188606112) is greater than itself. Its abundance is 197901715104

Bases of 138286891008

• Binary: 10000000110010100010101000000000000000₂
• Hexadecimal: 0x20328A8000
• Base-36: 1RJ0G000

Squares and roots of 138286891008

• 138286891008 squared (138286891008²) is 19123264224658471256064
• 138286891008 cubed (138286891008³) is 2644496755552531640611223227072512
• The square root of 138286891008 is 371869.4542551189
• The cube root of 138286891008 is 5171.2278173847

Scales and comparisons

• 138,286,891,008 seconds is equal to 4,397 years, 4 weeks, 6 days, 17 hours, 16 minutes, 48 seconds.
• To count from 1 to 138,286,891,008 would take you about eight thousand, seven hundred ninety-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 138286891008 cubic inches would be around 430.9 feet tall.

Recreational maths with 138286891008

• 138286891008 backwards is 800198682831
• 138286891008 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138286891008's digits is 54
• More coming soon!