668261379072

Names of 668261379072

• Cardinal: 668261379072 can be written as Six hundred sixty-eight billion, two hundred sixty-one million, three hundred seventy-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 6.68261379072 × 10¹¹

Factors of 668261379072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 55

Divisors of 668261379072

• Number of divisors d(n): 462
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 43 48 49 56 64 84 86 96 98 112 128 129 147 168 172 192 196 224 256 258 294 301 336 343 344 384 392 448 512 516 588 602 672 686 688 768 784 896 903 1024 1029 1032 1176 1204 1344 1372 1376 1536 1568 1792 1806 1849 2058 2064 2107 2352 2401 2408 2688 2744 2752 3072 3136 3584 3612 3698 4116 4128 4214 4704 4802 4816 5376 5488 5504 5547 6272 6321 7168 7203 7224 7396 8232 8256 8428 9408 9604 9632 10752 10976 11008 11094 12544 12642 12943 14406 14448 14749 14792 16464 16512 16807 16856 18816 19208 19264 21504 21952 22016 22188 25088 25284 25886 28812 28896 29498 29584 32928 33024 33614 33712 37632 38416 38528 38829 43904 44032 44247 44376 50176 50421 50568 51772 57624 57792 58996 59168 65856 66048 67228 67424 75264 76832 77056 77658 87808 88494 88752 90601 100842 101136 103243 103544 115248 115584 117649 117992 118336 131712 132096 134456 134848 150528 153664 154112 155316 175616 176988 177504 181202 201684 202272 206486 207088 230496 231168 235298 235984 236672 263424 268912 269696 271803 307328 308224 309729 310632 351232 352947 353976 355008 362404 403368 404544 412972 414176 460992 462336 470596 471968 473344 526848 537824 539392 543606 614656 619458 621264 634207 705894 707952 710016 722701 724808 806736 809088 825944 828352 921984 924672 941192 943936 946688 1053696 1075648 1078784 1087212 1229312 1238916 1242528 1268414 1411788 1415904 1420032 1445402 1449616 1613472 1618176 1651888 1656704 1843968 1882384 1887872 1893376 1902621 2151296 2157568 2168103 2174424 2458624 2477832 2485056 2536828 2823576 2831808 2840064 2890804 2899232 3226944 3236352 3303776 3313408 3687936 3764768 3775744 3805242 4302592 4336206 4348848 4439449 4955664 4970112 5058907 5073656 5647152 5663616 5680128 5781608 5798464 6453888 6472704 6607552 6626816 7375872 7529536 7551488 7610484 8605184 8672412 8697696 8878898 9911328 9940224 10117814 10147312 11294304 11327232 11563216 11596928 12907776 13215104 13253632 13318347 15059072 15102976 15176721 15220968 17210368 17344824 17395392 17757796 19822656 19880448 20235628 20294624 22588608 22654464 23126432 23193856 25815552 26430208 26636694 30118144 30353442 30441936 31076143 34689648 34790784 35515592 39645312 39760896 40471256 40589248 45177216 45308928 46252864 46387712 51631104 52860416 53273388 60236288 60706884 60883872 62152286 69379296 69581568 71031184 79290624 80942512 81178496 90354432 92505728 92775424 93228429 105720832 106546776 120472576 121413768 121767744 124304572 138758592 139163136 142062368 158581248 161885024 162356992 180708864 185011456 186456858 213093552 217533001 242827536 243535488 248609144 277517184 278326272 284124736 317162496 323770048 324713984 361417728 370022912 372913716 426187104 435066002 485655072 487070976 497218288 555034368 568249472 647540096 649427968 652599003 740045824 745827432 852374208 870132004 971310144 974141952 994436576 1110068736 1136498944 1295080192 1305198006 1491654864 1704748416 1740264008 1942620288 1948283904 1988873152 2220137472 2272997888 2590160384 2610396012 2983309728 3409496832 3480528016 3885240576 3977746304 4545995776 5180320768 5220792024 5966619456 6818993664 6961056032 7770481152 7955492608 10441584048 11933238912 13637987328 13922112064 15540962304 15910985216 20883168096 23866477824 27844224128 31821970432 41766336192 47732955648 55688448256 83532672384 95465911296 111376896512 167065344768 222753793024 334130689536 668261379072
• Sum of all divisors σ(n): 2127467578188
• Sum of proper divisors (its aliquot sum) s(n): 1459206199116
• 668261379072 is an abundant number, because the sum of its proper divisors (1459206199116) is greater than itself. Its abundance is 790944820044

Bases of 668261379072

• Binary: 1001101110010111011110110110110000000000₂
• Hexadecimal: 0x9B977B6C00
• Base-36: 8IZTKK5C

Squares and roots of 668261379072

• 668261379072 squared (668261379072²) is 446573270759211279581184
• 668261379072 cubed (668261379072³) is 298427669774244182139939774422581248
• The square root of 668261379072 is 817472.5555466679
• The cube root of 668261379072 is 8742.7646487301

Scales and comparisons

• 668,261,379,072 seconds is equal to 21,248 years, 33 weeks, 3 days, 16 hours, 51 minutes, 12 seconds.
• To count from 1 to 668,261,379,072 would take you about forty-two thousand, four hundred ninety-seven 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 668261379072 cubic inches would be around 728.6 feet tall.

Recreational maths with 668261379072

• 668261379072 backwards is 270973162866
• The number of decimal digits it has is: 12
• The sum of 668261379072's digits is 57
• More coming soon!