166428169129728

Names of 166428169129728

• Cardinal: 166428169129728 can be written as One hundred sixty-six trillion, four hundred twenty-eight billion, one hundred sixty-nine million, one hundred twenty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.66428169129728 × 10¹⁴

Factors of 166428169129728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 2848

Divisors of 166428169129728

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 31 32 33 36 44 48 54 62 64 66 72 81 88 93 96 99 108 124 128 132 144 162 176 186 192 198 216 243 248 256 264 279 288 297 324 341 352 372 384 396 432 486 496 528 558 576 594 648 682 704 744 768 792 837 864 891 972 992 1023 1056 1116 1152 1188 1296 1364 1408 1488 1584 1674 1728 1782 1944 1984 2046 2112 2232 2304 2376 2511 2592 2673 2728 2801 2816 2976 3069 3168 3348 3456 3564 3888 3968 4092 4224 4464 4752 5022 5184 5346 5456 5602 5952 6138 6336 6696 6912 7128 7533 7776 7936 8184 8403 8448 8928 9207 9504 10044 10368 10692 10912 11204 11904 12276 12672 13392 14256 15066 15552 16368 16806 17856 18414 19008 20088 20736 21384 21824 22408 23808 24552 25209 25344 26784 27621 28512 30132 30811 31104 32736 33612 35712 36828 38016 40176 42768 43648 44816 49104 50418 53568 55242 57024 60264 61622 62208 65472 67224 71424 73656 75627 76032 80352 82863 85536 86831 87296 89632 92433 98208 100836 107136 110484 114048 120528 123244 130944 134448 147312 151254 160704 165726 171072 173662 179264 184866 196416 201672 214272 220968 226881 228096 241056 246488 260493 261888 268896 277299 294624 302508 321408 331452 342144 347324 358528 369732 392832 403344 441936 453762 482112 492976 520986 537792 554598 589248 605016 642816 662904 680643 684288 694648 717056 739464 781479 785664 806688 831897 883872 907524 955141 964224 985952 1041972 1075584 1109196 1178496 1210032 1325808 1361286 1389296 1478928 1562958 1613376 1663794 1767744 1815048 1910282 1928448 1971904 2083944 2151168 2218392 2344437 2356992 2420064 2495691 2651616 2722572 2778592 2865423 2957856 3125916 3226752 3327588 3535488 3630096 3820564 3943808 4167888 4436784 4688874 4840128 4991382 5303232 5445144 5557184 5730846 5915712 6251832 6453504 6655176 7033311 7070976 7260192 7487073 7641128 7845601 7887616 8335776 8596269 8873568 9377748 9680256 9982764 10606464 10890288 11114368 11461692 11831424 12503664 13310352 14066622 14520384 14974146 15282256 15691202 16671552 17192538 17747136 18755496 19360512 19965528 21099933 21212928 21780576 22228736 22923384 23536803 23662848 25007328 25788807 26620704 28133244 29040768 29948292 30564512 31382404 33343104 34385076 35494272 37510992 39931056 42199866 43561152 45846768 47073606 50014656 51577614 53241408 56266488 58081536 59896584 61129024 62764808 66686208 68770152 70610409 70988544 75021984 77366421 79862112 84399732 86301611 87122304 91693536 94147212 100029312 103155228 106482816 112532976 119793168 122258048 125529616 137540304 141220818 150043968 154732842 159724224 168799464 172603222 174244608 183387072 188294424 200058624 206310456 211831227 212965632 225065952 232099263 239586336 243213631 244516096 251059232 258904833 275080608 282441636 300087936 309465684 319448448 337598928 345206444 366774144 376588848 412620912 423662454 450131904 464198526 479172672 486427262 502118464 517809666 550161216 564883272 600175872 618931368 635493681 638896896 675197856 690412888 729640893 733548288 753177696 776714499 825241824 847324908 900263808 928397052 958345344 972854524 1004236928 1035619332 1100322432 1129766544 1237862736 1270987362 1350395712 1380825776 1459281786 1506355392 1553428998 1650483648 1694649816 1800527616 1856794104 1906481043 1916690688 1945709048 2008473856 2071238664 2188922679 2200644864 2259533088 2330143497 2475725472 2541974724 2675349941 2700791424 2761651552 2918563572 3012710784 3106857996 3300967296 3389299632 3713588208 3812962086 3891418096 4142477328 4377845358 4519066176 4660286994 4951450944 5083949448 5350699882 5401582848 5523303104 5837127144 6025421568 6213715992 6566768037 6601934592 6778599264 6990430491 7427176416 7625924172 7782836192 8026049823 8284954656 8755690716 9038132352 9320573988 9902901888 10167898896 10701399764 11046606208 11674254288 12427431984 13133536074 13557198528 13980860982 14854352832 15251848344 15565672384 16052099646 16569909312 17511381432 18076264704 18641147976 19700304111 19805803776 20335797792 20971291473 21402799528 22093212416 23348508576 24078149469 24854863968 26267072148 27114397056 27961721964 29708705664 30503696688 31131344768 32104199292 33139818624 35022762864 37282295952 39400608222 40671595584 41942582946 42805599056 46697017152 48156298938 49709727936 52534144296 54228794112 55923443928 59100912333 59417411328 61007393376 62262689536 64208398584 66279637248 70045525728 72234448407 74564591904 78801216444 81343191168 83885165892 85611198112 93394034304 96312597876 99419455872 105068288592 111846887856 118201824666 122014786752 128416797168 140091051456 144468896814 149129183808 157602432888 162686382336 167770331784 171222396224 186788068608 192625195752 198838911744 210136577184 216703345221 223693775712 236403649332 244029573504 256833594336 280182102912 288937793628 298258367616 315204865776 335540663568 342444792448 385250391504 420273154368 433406690442 447387551424 472807298664 488059147008 513667188672 560364205824 577875587256 596516735232 630409731552 650110035663 671081327136 684889584896 770500783008 840546308736 866813380884 894775102848 945614597328 1027334377344 1155751174512 1260819463104 1300220071326 1342162654272 1541001566016 1681092617472 1733626761768 1789550205696 1891229194656 2054668754688 2311502349024 2521638926208 2600440142652 2684325308544 3082003132032 3467253523536 3782458389312 4623004698048 5043277852416 5200880285304 5368650617088 6164006264064 6934507047072 7564916778624 9246009396096 10401760570608 13869014094144 15129833557248 18492018792192 20803521141216 27738028188288 41607042282432 55476056376576 83214084564864 166428169129728
• Sum of all divisors σ(n): 560576391019008
• Sum of proper divisors (its aliquot sum) s(n): 394148221889280
• 166428169129728 is an abundant number, because the sum of its proper divisors (394148221889280) is greater than itself. Its abundance is 227720052759552

Bases of 166428169129728

• Binary: 100101110101110110010011111001101100111100000000₂
• Hexadecimal: 0x975D93E6CF00
• Base-36: 1MZS1MUO00

Squares and roots of 166428169129728

• 166428169129728 squared (166428169129728²) is 27698335479873348032893353984
• 166428169129728 cubed (166428169129728³) is 4609783261856307330147202369437164321636352
• The square root of 166428169129728 is 12900704.2106130005
• The cube root of 166428169129728 is 55005.8582332683

Scales and comparisons

• 166,428,169,129,728 seconds is equal to 5,291,900 years, 51 weeks, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 166,428,169,129,728 would take you about thirteen million, two hundred twenty-nine thousand, seven hundred fifty-two 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 166428169129728 cubic inches would be around 4583.8 feet tall.

Recreational maths with 166428169129728

• 166428169129728 backwards is 827921961824661
• 166428169129728 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 166428169129728's digits is 72
• More coming soon!