61478144640

Names of 61478144640

• Cardinal: 61478144640 can be written as Sixty-one billion, four hundred seventy-eight million, one hundred forty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.147814464 × 10¹⁰

Factors of 61478144640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 21

Divisors of 61478144640

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 81 88 90 96 99 108 110 120 121 128 132 135 144 160 162 165 176 180 192 198 216 220 240 242 243 264 270 288 297 320 324 330 352 360 363 384 396 405 432 440 480 484 486 495 528 540 576 594 605 640 648 660 704 720 726 729 792 810 864 880 891 960 968 972 990 1056 1080 1089 1152 1188 1210 1215 1296 1320 1331 1408 1440 1452 1458 1485 1584 1620 1728 1760 1782 1815 1920 1936 1944 1980 2112 2160 2178 2187 2376 2420 2430 2592 2640 2662 2673 2880 2904 2916 2970 3168 3240 3267 3456 3520 3564 3630 3645 3872 3888 3960 3993 4224 4320 4356 4374 4455 4752 4840 4860 5184 5280 5324 5346 5445 5760 5808 5832 5940 6336 6480 6534 6561 6655 7040 7128 7260 7290 7744 7776 7920 7986 8019 8640 8712 8748 8910 9504 9680 9720 9801 10368 10560 10648 10692 10890 10935 11616 11664 11880 11979 12672 12960 13068 13122 13310 13365 14256 14520 14580 14641 15488 15552 15840 15972 16038 16335 17280 17424 17496 17820 19008 19360 19440 19602 19965 21120 21296 21384 21780 21870 23232 23328 23760 23958 24057 25920 26136 26244 26620 26730 28512 29040 29160 29282 29403 31104 31680 31944 32076 32670 32805 34848 34992 35640 35937 38016 38720 38880 39204 39930 40095 42592 42768 43560 43740 43923 46464 46656 47520 47916 48114 49005 51840 52272 52488 53240 53460 57024 58080 58320 58564 58806 59895 63360 63888 64152 65340 65610 69696 69984 71280 71874 72171 73205 77440 77760 78408 79860 80190 85184 85536 87120 87480 87846 88209 93312 95040 95832 96228 98010 104544 104976 106480 106920 107811 114048 116160 116640 117128 117612 119790 120285 127776 128304 130680 131220 131769 139392 139968 142560 143748 144342 146410 147015 155520 156816 159720 160380 170368 171072 174240 174960 175692 176418 179685 190080 191664 192456 196020 209088 209952 212960 213840 215622 219615 232320 233280 234256 235224 239580 240570 255552 256608 261360 262440 263538 264627 279936 285120 287496 288684 292820 294030 313632 319440 320760 323433 342144 348480 349920 351384 352836 359370 360855 383328 384912 392040 395307 418176 419904 425920 427680 431244 439230 441045 466560 468512 470448 479160 481140 511104 513216 522720 524880 527076 529254 539055 570240 574992 577368 585640 588060 627264 638880 641520 646866 658845 696960 699840 702768 705672 718740 721710 766656 769824 784080 790614 793881 839808 851840 855360 862488 878460 882090 937024 940896 958320 962280 970299 1026432 1045440 1049760 1054152 1058508 1078110 1149984 1154736 1171280 1176120 1185921 1254528 1277760 1283040 1293732 1317690 1323135 1399680 1405536 1411344 1437480 1443420 1533312 1539648 1568160 1581228 1587762 1617165 1710720 1724976 1756920 1764180 1874048 1881792 1916640 1924560 1940598 1976535 2090880 2099520 2108304 2117016 2156220 2299968 2309472 2342560 2352240 2371842 2555520 2566080 2587464 2635380 2646270 2811072 2822688 2874960 2886840 2910897 3079296 3136320 3162456 3175524 3234330 3449952 3513840 3528360 3557763 3763584 3833280 3849120 3881196 3953070 3969405 4199040 4216608 4234032 4312440 4599936 4618944 4685120 4704480 4743684 4851495 5132160 5174928 5270760 5292540 5622144 5645376 5749920 5773680 5821794 5929605 6272640 6324912 6351048 6468660 6899904 7027680 7056720 7115526 7666560 7698240 7762392 7906140 7938810 8433216 8468064 8624880 8732691 9237888 9370240 9408960 9487368 9702990 10349856 10541520 10585080 10673289 11290752 11499840 11547360 11643588 11859210 12649824 12702096 12937320 13799808 14055360 14113440 14231052 14554485 15396480 15524784 15812280 15877620 16866432 16936128 17249760 17465382 17788815 18817920 18974736 19405980 20699712 21083040 21170160 21346578 22999680 23094720 23287176 23718420 25299648 25404192 25874640 28110720 28226880 28462104 29108970 31049568 31624560 31755240 32019867 33872256 34499520 34930764 35577630 37949472 38811960 41399424 42166080 42340320 42693156 43663455 46189440 46574352 47436840 50599296 50808384 51749280 53366445 56453760 56924208 58217940 62099136 63249120 63510480 64039734 68999040 69861528 71155260 75898944 77623920 84332160 84680640 85386312 87326910 93148704 94873680 96059601 101616768 103498560 106732890 113848416 116435880 124198272 126498240 127020960 128079468 139723056 142310520 151797888 155247840 160099335 169361280 170772624 174653820 186297408 189747360 192119202 206997120 213465780 227696832 232871760 252996480 254041920 256158936 279446112 284621040 310495680 320198670 341545248 349307640 372594816 379494720 384238404 426931560 455393664 465743520 480298005 508083840 512317872 558892224 569242080 620991360 640397340 683090496 698615280 758989440 768476808 853863120 931487040 960596010 1024635744 1117784448 1138484160 1280794680 1366180992 1397230560 1536953616 1707726240 1862974080 1921192020 2049271488 2276968320 2561589360 2794461120 3073907232 3415452480 3842384040 4098542976 5123178720 5588922240 6147814464 6830904960 7684768080 10246357440 12295628928 15369536160 20492714880 30739072320 61478144640
• Sum of all divisors σ(n): 242488636650
• Sum of proper divisors (its aliquot sum) s(n): 181010492010
• 61478144640 is an abundant number, because the sum of its proper divisors (181010492010) is greater than itself. Its abundance is 119532347370

Bases of 61478144640

• Binary: 111001010000011000100000101010000000₂
• Hexadecimal: 0xE50620A80
• Base-36: S8QI000

Squares and roots of 61478144640

• 61478144640 squared (61478144640²) is 3779562268376760729600
• 61478144640 cubed (61478144640³) is 232360475811152994149020729344000
• The square root of 61478144640 is 247947.8667784823
• The cube root of 61478144640 is 3946.7557539139

Scales and comparisons

• 61,478,144,640 seconds is equal to 1,954 years, 42 weeks, 2 days, 14 hours, 24 minutes.
• To count from 1 to 61,478,144,640 would take you about three 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 61478144640 cubic inches would be around 328.9 feet tall.

Recreational maths with 61478144640

• 61478144640 backwards is 04644187416
• 61478144640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 61478144640's digits is 45
• More coming soon!