155447938653480

Names of 155447938653480

• Cardinal: 155447938653480 can be written as One hundred fifty-five trillion, four hundred forty-seven billion, nine hundred thirty-eight million, six hundred fifty-three thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.5544793865348 × 10¹⁴

Factors of 155447938653480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 10420

Divisors of 155447938653480

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 27 30 33 36 40 44 45 54 55 60 66 72 88 90 99 108 110 120 121 132 135 165 180 198 216 220 242 264 270 297 330 360 363 396 440 484 495 540 594 605 660 726 792 968 990 1080 1089 1188 1210 1320 1331 1452 1485 1815 1980 2178 2376 2420 2662 2904 2970 3267 3630 3960 3993 4356 4840 5324 5445 5940 6534 6655 7260 7986 8712 10399 10648 10890 11880 11979 13068 13310 14520 15972 16335 19965 20798 21780 23958 26136 26620 31197 31944 32670 35937 39930 41596 43560 47916 51995 53240 59895 62394 65340 71874 79860 83192 93591 95832 103990 114389 119790 124788 130680 143748 155985 159720 179685 187182 207980 228778 239580 249576 280773 287496 311970 343167 359370 374364 415960 457556 467955 479160 561546 571945 623940 686334 718740 748728 915112 935910 1029501 1123092 1143890 1247880 1258279 1372668 1403865 1437480 1715835 1871820 2059002 2246184 2287780 2516558 2745336 2807730 3088503 3431670 3743640 3774837 4118004 4575560 5033116 5147505 5615460 6177006 6291395 6863340 7549674 8236008 10066232 10295010 11230920 11324511 12354012 12582790 13726680 13841069 15099348 15442515 18874185 20590020 22649022 24708024 25165580 27682138 30198696 30885030 33973533 37748370 41180040 41523207 45298044 50331160 55364276 56622555 61770060 67947066 69205345 75496740 83046414 90596088 108139201 110728552 113245110 123540120 124569621 135894132 138410690 150993480 166092828 169867665 207616035 216278402 226490220 249139242 271788264 276821380 324417603 332185656 339735330 373708863 415232070 432556804 452980440 498278484 540696005 553642760 622848105 648835206 679470660 747417726 830464140 865113608 973252809 996556968 1081392010 1189531211 1245696210 1297670412 1358941320 1494835452 1622088015 1660928280 1868544315 1946505618 2162784020 2379062422 2491392420 2595340824 2919758427 2989670904 3244176030 3568593633 3737088630 3893011236 4325568040 4758124844 4866264045 4982784840 5839516854 5947656055 6488352060 7137187266 7474177260 7786022472 9516249688 9732528090 10705780899 11679033708 11895312110 12976704120 13084843321 14274374532 14598792135 14948354520 17842968165 19465056180 21411561798 23358067416 23790624220 26169686642 28548749064 29197584270 32117342697 35685936330 38930112360 39254529963 42823123596 47581248440 52339373284 53528904495 58395168540 64234685394 65424216605 71371872660 78509059926 85646247192 104678746568 107057808990 116790337080 117763589889 128469370788 130848433210 142743745320 143933276531 157018119852 160586713485 196272649815 214115617980 235527179778 256938741576 261696866420 287866553062 314036239704 321173426970 353290769667 392545299630 428231235960 431799829593 471054359556 523393732840 575733106124 588817949445 642346853940 706581539334 719666382655 785090599260 863599659186 942108719112 1151466212248 1177635898890 1284693707880 1295399488779 1413163078668 1439332765310 1570181198520 1727199318372 1766453848335 2158999147965 2355271797780 2590798977558 2826326157336 2878665530620 3454398636744 3532907696670 3886198466337 4317998295930 4710543595560 5181597955116 5757331061240 6476997443895 7065815393340 7772396932674 8635996591860 10363195910232 12953994887790 14131630786680 15544793865348 17271993183720 19430992331685 25907989775580 31089587730696 38861984663370 51815979551160 77723969326740 155447938653480
• Sum of all divisors σ(n): 569991657110400
• Sum of proper divisors (its aliquot sum) s(n): 414543718456920
• 155447938653480 is an abundant number, because the sum of its proper divisors (414543718456920) is greater than itself. Its abundance is 259095779803440

Bases of 155447938653480

• Binary: 100011010110000100001011001010100001110100101000₂
• Hexadecimal: 0x8D610B2A1D28
• Base-36: 1J3NSP4L60

Squares and roots of 155447938653480

• 155447938653480 squared (155447938653480²) is 24164061631616081475516110400
• 155447938653480 cubed (155447938653480³) is 3756253570130366468037453770080623024192000
• The square root of 155447938653480 is 12467876.2687748871
• The cube root of 155447938653480 is 53768.5497068481

Scales and comparisons

• 155,447,938,653,480 seconds is equal to 4,942,763 years, 32 weeks, 15 hours, 18 minutes.
• To count from 1 to 155,447,938,653,480 would take you about twelve million, three hundred fifty-six thousand, nine hundred nine 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 155447938653480 cubic inches would be around 4480.7 feet tall.

Recreational maths with 155447938653480

• 155447938653480 backwards is 084356839744551
• 155447938653480 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 155447938653480's digits is 72
• More coming soon!