138994715948219648

Names of 138994715948219648

• Cardinal: 138994715948219648 can be written as One hundred thirty-eight quadrillion, nine hundred ninety-four trillion, seven hundred fifteen billion, nine hundred forty-eight million, two hundred nineteen thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 1.38994715948219648 × 10¹⁷

Factors of 138994715948219648

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 186

Divisors of 138994715948219648

• Number of divisors d(n): 234
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 128 173 176 242 256 346 352 484 692 704 968 1331 1384 1408 1903 1936 2662 2768 2816 3806 3872 5324 5536 7612 7744 10648 11072 14641 15224 15488 20933 21296 22144 29282 30448 30976 41866 42592 44288 58564 60896 83732 85184 117128 121792 161051 167464 170368 230263 234256 243584 322102 334928 340736 460526 468512 487168 644204 669856 921052 937024 1288408 1339712 1771561 1842104 1874048 2532893 2576816 2679424 3543122 3684208 3748096 5065786 5153632 5358848 7086244 7368416 10131572 10307264 14172488 14736832 19487171 20263144 20614528 27861823 28344976 29473664 38974342 40526288 41229056 55723646 56689952 58947328 77948684 81052576 111447292 113379904 155897368 162105152 214358881 222894584 226759808 306480053 311794736 324210304 428717762 445789168 453519616 612960106 623589472 648420608 857435524 891578336 1225920212 1247178944 1714871048 1783156672 2357947691 2451840424 2494357888 3371280583 3429742096 3566313344 4715895382 4903680848 4988715776 6742561166 6859484192 7132626688 9431790764 9807361696 13485122332 13718968384 18863581528 19614723392 25937424601 26970244664 27437936768 37084086413 37727163056 39229446784 51874849202 53940489328 54875873536 74168172826 75454326112 78458893568 103749698404 107880978656 148336345652 150908652224 207499396808 215761957312 285311670611 296672691304 301817304448 407924950543 414998793616 431523914624 570623341222 593345382608 603634608896 815849901086 829997587232 863047829248 1141246682444 1186690765216 1631699802172 1659995174464 2282493364888 2373381530432 3138428376721 3263399604344 3319990348928 4487174455973 4564986729776 4746763060864 6276856753442 6526799208688 6639980697856 8974348911946 9129973459552 9493526121728 12553713506884 13053598417376 17948697823892 18259946919104 25107427013768 26107196834752 35897395647784 36519893838208 49358919015703 50214854027536 52214393669504 71794791295568 73039787676416 98717838031406 100429708055072 104428787339008 143589582591136 197435676062812 200859416110144 287179165182272 394871352125624 401718832220288 542948109172733 574358330364544 789742704251248 803437664440576 1085896218345466 1148716660729088 1579485408502496 2171792436690932 3158970817004992 4343584873381864 6317941634009984 8687169746763728 12635883268019968 17374339493527456 34748678987054912 69497357974109824 138994715948219648
• Sum of all divisors σ(n): 306955242756539202
• Sum of proper divisors (its aliquot sum) s(n): 167960526808319554
• 138994715948219648 is an abundant number, because the sum of its proper divisors (167960526808319554) is greater than itself. Its abundance is 28965810860099906

Bases of 138994715948219648

• Binary: 111101101110011101111010100101101101111111111110100000000₂
• Hexadecimal: 0x1EDCEF52DBFFD00
• Base-36: 120LIJ02CPA8

Squares and roots of 138994715948219648

• 138994715948219648 squared (138994715948219648²) is 19319531061526265361441140853243904
• 138994715948219648 cubed (138994715948219648³) is 2685312732149649661613385045951804614548714309025792
• The square root of 138994715948219648 is 372819951.1134290785
• The cube root of 138994715948219648 is 518003.5826442081

Scales and comparisons

• 138,994,715,948,219,648 seconds is equal to 4,419,602,028 years, 13 weeks, 6 days, 13 hours, 54 minutes, 8 seconds.
• To count from 1 to 138,994,715,948,219,648 would take you about thirteen billion, two hundred fifty-eight million, eight hundred six thousand and eighty-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 138994715948219648 cubic inches would be around 43167 feet tall.

Recreational maths with 138994715948219648

• 138994715948219648 backwards is 846912849517499831
• The number of decimal digits it has is: 18
• The sum of 138994715948219648's digits is 98
• More coming soon!