400649856768

Names of 400649856768

• Cardinal: 400649856768 can be written as Four hundred billion, six hundred forty-nine million, eight hundred fifty-six thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 4.00649856768 × 10¹¹

Factors of 400649856768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 643

Divisors of 400649856768

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 31 32 36 42 48 54 56 62 63 64 72 81 84 93 96 108 112 124 126 128 144 162 168 186 189 192 216 217 224 248 252 256 269 279 288 324 331 336 372 378 384 432 434 448 496 504 538 558 567 576 648 651 662 672 744 756 768 807 837 864 868 896 992 993 1008 1076 1116 1134 1152 1296 1302 1324 1344 1488 1512 1614 1674 1728 1736 1792 1883 1953 1984 1986 2016 2152 2232 2268 2304 2317 2421 2511 2592 2604 2648 2688 2976 2979 3024 3228 3348 3456 3472 3766 3906 3968 3972 4032 4304 4464 4536 4634 4842 5022 5184 5208 5296 5376 5649 5859 5952 5958 6048 6456 6696 6912 6944 6951 7263 7532 7812 7936 7944 8064 8339 8608 8928 8937 9072 9268 9684 10044 10261 10368 10416 10592 11298 11718 11904 11916 12096 12912 13392 13888 13902 14526 15064 15624 15888 16128 16678 16947 17216 17577 17856 17874 18144 18536 19368 20088 20522 20736 20832 20853 21184 21789 22596 23436 23808 23832 24192 25017 25824 26784 26811 27776 27804 29052 30128 30783 31248 31776 33356 33894 34432 35154 35712 35748 36288 37072 38736 40176 41044 41664 41706 42368 43578 45192 46872 47664 48384 50034 50841 51648 53568 53622 55552 55608 58104 58373 60256 61566 62496 62559 63552 66712 67788 68864 70308 71424 71496 71827 72576 74144 75051 77472 80352 82088 83328 83412 84736 87156 89039 90384 92349 93744 95328 100068 101682 103296 107136 107244 111216 116208 116746 120512 123132 124992 125118 127104 133424 135576 140616 142992 143654 145152 148288 150102 152523 154944 160704 164176 166656 166824 174312 175119 178078 180768 184698 187488 187677 190656 200136 203364 206592 214272 214488 215481 222432 225153 232416 233492 241024 246264 249984 250236 254208 266848 267117 271152 277047 281232 285984 287308 296576 300204 305046 309888 321408 328352 333648 348624 350238 356156 361536 369396 374976 375354 381312 400272 406728 428976 430962 444864 450306 464832 466984 482048 492528 499968 500472 525357 533696 534234 542304 554094 562464 571968 574616 593152 600408 610092 619776 623273 642816 646443 656704 667296 675459 697248 700476 712312 723072 738792 749952 750708 762624 800544 801351 813456 831141 857952 861924 889728 900612 929664 933968 985056 1000944 1050714 1067392 1068468 1084608 1108188 1124928 1143936 1149232 1200816 1220184 1246546 1292886 1313408 1334592 1350918 1394496 1400952 1424624 1446144 1477584 1499904 1501416 1576071 1601088 1602702 1626912 1662282 1715904 1723848 1779456 1801224 1859328 1867936 1869819 1939329 1970112 2001888 2101428 2134784 2136936 2169216 2216376 2249856 2287872 2298464 2401632 2404053 2440368 2493092 2585772 2626816 2669184 2701836 2760209 2788992 2801904 2849248 2955168 3002832 3152142 3202176 3205404 3253824 3324564 3431808 3447696 3602448 3735872 3739638 3878658 3940224 4003776 4202856 4273872 4338432 4432752 4499712 4596928 4728213 4803264 4808106 4880736 4986184 5171544 5338368 5403672 5520418 5577984 5603808 5609457 5698496 5817987 5910336 6005664 6304284 6404352 6410808 6507648 6649128 6863616 6895392 7204896 7212159 7471744 7479276 7757316 7880448 8007552 8280627 8405712 8547744 8865504 9193856 9456426 9606528 9616212 9761472 9972368 10343088 10807344 11040836 11207616 11218914 11396992 11635974 11820672 12011328 12608568 12821616 13015296 13298256 13790784 14409792 14424318 14943488 14958552 15514632 16015104 16561254 16811424 16828371 17095488 17731008 18387712 18912852 19213056 19232424 19321463 19522944 19944736 20686176 21614688 22081672 22415232 22437828 22793984 23271948 23641344 24022656 24841881 25217136 25643232 26596512 27581568 28819584 28848636 29917104 31029264 33122508 33622848 33656742 34190976 35462016 37825704 38464848 38642926 39045888 39889472 41372352 43229376 44163344 44830464 44875656 46543896 48045312 49683762 50434272 50485113 51286464 53193024 55163136 57639168 57697272 57964389 59834208 62058528 66245016 67245696 67313484 68381952 70924032 74525643 75651408 76929696 77285852 79778944 82744704 86458752 88326688 89751312 93087792 99367524 100868544 100970226 102572928 106386048 115394544 115928778 119668416 124117056 132490032 134491392 134626968 149051286 151302816 153859392 154571704 159557888 165489408 172917504 173893167 176653376 179502624 186175584 198735048 201737088 201940452 205145856 212772096 223576929 230789088 231857556 239336832 248234112 264980064 269253936 298102572 302605632 307718784 309143408 347786334 353306752 359005248 372351168 397470096 403474176 403880904 447153858 461578176 463715112 478673664 496468224 521679501 529960128 538507872 596205144 605211264 615437568 618286816 695572668 706613504 718010496 744702336 794940192 807761808 894307716 923156352 927430224 1043359002 1059920256 1077015744 1192410288 1210422528 1236573632 1391145336 1436020992 1489404672 1565038503 1589880384 1615523616 1788615432 1846312704 1854860448 2086718004 2119840512 2154031488 2384820576 2473147264 2782290672 3130077006 3179760768 3231047232 3577230864 3709720896 4173436008 4308062976 4769641152 4946294528 5564581344 6260154012 6359521536 6462094464 7154461728 7419441792 8346872016 9539282304 11129162688 12520308024 12924188928 14308923456 14838883584 16693744032 19078564608 22258325376 25040616048 28617846912 33387488064 44516650752 50081232096 57235693824 66774976128 100162464192 133549952256 200324928384 400649856768
• Sum of all divisors σ(n): 1418887895040
• Sum of proper divisors (its aliquot sum) s(n): 1018238038272
• 400649856768 is an abundant number, because the sum of its proper divisors (1018238038272) is greater than itself. Its abundance is 617588181504

Bases of 400649856768

• Binary: 101110101001000100101111010011100000000₂
• Hexadecimal: 0x5D4897A700
• Base-36: 5420KW00

Squares and roots of 400649856768

• 400649856768 squared (400649856768²) is 160520307728218915405824
• 400649856768 cubed (400649856768³) is 64312438299666191929091694193016832
• The square root of 400649856768 is 632969.0804202051
• The cube root of 400649856768 is 7372.0509930431

Scales and comparisons

• 400,649,856,768 seconds is equal to 12,739 years, 22 weeks, 1 day, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 400,649,856,768 would take you about twenty-five thousand, four hundred seventy-eight 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 400649856768 cubic inches would be around 614.3 feet tall.

Recreational maths with 400649856768

• 400649856768 backwards is 867658946004
• 400649856768 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 400649856768's digits is 63
• More coming soon!