121642753428

Names of 121642753428

• Cardinal: 121642753428 can be written as One hundred twenty-one billion, six hundred forty-two million, seven hundred fifty-three thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 1.21642753428 × 10¹¹

Factors of 121642753428

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 127

Divisors of 121642753428

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 17 18 21 27 28 31 34 36 42 49 51 54 62 63 67 68 81 84 93 98 102 108 119 124 126 134 147 153 162 186 189 196 201 204 217 238 252 268 279 294 306 324 343 357 372 378 402 434 441 459 469 476 527 558 567 588 603 612 651 686 714 756 804 833 837 868 882 918 938 961 1029 1054 1071 1116 1134 1139 1206 1302 1323 1372 1377 1407 1428 1519 1581 1666 1674 1764 1809 1836 1876 1922 1953 2058 2077 2108 2142 2268 2278 2412 2499 2511 2604 2646 2754 2814 2883 3038 3087 3162 3213 3283 3332 3348 3417 3618 3689 3844 3906 3969 4116 4154 4221 4284 4556 4557 4743 4998 5022 5292 5427 5508 5628 5766 5831 5859 6076 6174 6231 6324 6426 6566 6727 6834 7236 7378 7497 7812 7938 7973 8308 8442 8649 9114 9261 9486 9639 9849 9996 10044 10251 10633 10854 11067 11532 11662 11718 12348 12462 12663 12852 13132 13454 13668 13671 14229 14539 14756 14994 15876 15946 16337 16884 17298 17493 17577 18228 18522 18693 18972 19278 19698 20181 20502 21266 21708 22134 22491 22981 23324 23436 23919 24924 25326 25823 25947 26908 27342 27783 28458 29078 29547 29988 30753 31892 31899 32674 33201 34596 34986 35154 35309 37044 37386 37989 38556 39396 40362 41004 41013 42532 42687 43617 44268 44982 45962 47089 47838 49011 50652 51646 51894 52479 54684 55566 55811 56079 56916 58156 59094 60543 61506 63798 64387 65348 66402 67473 68943 69972 70308 70618 71757 74772 75978 77469 77841 80724 82026 85374 87234 88641 89964 91924 92259 94178 95676 95697 98022 99603 101773 103292 103788 104958 105927 111132 111622 112158 114359 118188 121086 123012 123039 127596 128774 130851 132804 134946 137886 141236 141267 143514 147033 151956 154938 155682 157437 164052 167433 168237 170748 174468 177282 180761 181629 184518 188356 191394 193161 196044 199206 203546 206829 209916 211854 215271 223244 224316 228718 232407 242172 246078 247163 257548 261702 265923 269892 275772 282534 287028 287091 294066 298809 305319 309876 311364 314874 317781 329623 334866 336474 343077 354564 361522 363258 369036 382788 386322 390677 392553 398412 407092 413658 423708 423801 430542 441099 450709 457436 464814 472311 492156 494326 502299 523404 531846 542283 544887 565068 574182 579483 588132 597618 610638 620487 629748 635562 645813 659246 669732 672948 686154 697221 712411 723044 726516 741489 772644 781354 785106 800513 827316 847602 861084 861273 882198 901418 915957 929628 944622 953343 988652 988869 1004598 1029231 1063692 1084566 1089774 1094579 1148364 1158966 1172031 1177659 1195236 1221276 1240974 1271124 1271403 1291626 1318492 1323297 1352127 1372308 1394442 1424822 1482978 1506897 1562708 1570212 1601026 1626849 1695204 1722546 1730141 1738449 1764396 1802836 1831914 1861461 1889244 1906686 1977738 2009196 2058462 2091663 2137233 2169132 2179548 2189158 2224467 2317932 2344062 2355318 2401539 2481948 2542806 2583252 2646594 2704254 2747871 2788884 2849644 2860029 2965956 2966607 3013794 3087693 3154963 3202052 3253698 3283737 3445092 3460282 3476898 3516093 3663828 3722922 3813372 3814209 3955476 4056381 4116924 4183326 4274466 4378316 4448934 4520691 4688124 4710636 4803078 4880547 5085612 5190423 5215347 5293188 5408508 5495742 5603591 5720058 5933214 6027588 6175386 6309926 6411699 6507396 6567474 6673401 6920564 6953796 7032186 7204617 7445844 7628418 7662053 8112762 8243613 8366652 8548932 8897868 8899821 9041382 9263079 9464889 9606156 9761094 9851211 10380846 10430694 10548279 10991484 11207182 11440116 11866428 12110987 12169143 12350772 12619852 12823398 13134948 13346802 14064372 14409234 14641641 15256836 15324106 15571269 16225524 16487226 16810773 17799642 18082764 18526158 18929778 19235097 19522188 19702422 20020203 20761692 20861388 21096558 21613851 22084741 22414364 22986159 24221974 24338286 25646796 26693604 26699463 28394667 28818468 29283282 29553633 30648212 31142538 31644837 32974452 33621546 35599284 36332961 36507429 37052316 37859556 38470194 39404844 40040406 42193116 43227702 44169482 45972318 46713807 48443948 48676572 50432319 53398926 53634371 56789334 57705291 58566564 59107266 62285076 63289674 64841553 66254223 67243092 68958477 72665922 73014858 76940388 80080812 85184001 86455404 88338964 88660899 91944636 93427614 100864638 106797852 107268742 108998883 113578668 115410582 118214532 126579348 129683106 132508446 137916954 140141421 145331844 146029716 151296957 160903113 170368002 177321798 186855228 198762669 201729276 206875431 214537484 217997766 230821164 255552003 259366212 265016892 275833908 280282842 302593914 321806226 326996649 340736004 354643596 375440597 397525338 413750862 435995532 453890871 482709339 511104006 560565684 596288007 605187828 620626293 643612452 653993298 750881194 795050676 827501724 907781742 965418678 980989947 1022208012 1126321791 1192576014 1241252586 1307986596 1448128017 1501762388 1788864021 1815563484 1930837356 1961979894 2252643582 2385152028 2482505172 2896256034 3378965373 3577728042 3923959788 4344384051 4505287164 5792512068 6757930746 7155456084 8688768102 10136896119 13515861492 17377536204 20273792238 30410688357 40547584476 60821376714 121642753428
• Sum of all divisors σ(n): 411788361600
• Sum of proper divisors (its aliquot sum) s(n): 290145608172
• 121642753428 is an abundant number, because the sum of its proper divisors (290145608172) is greater than itself. Its abundance is 168502854744

Bases of 121642753428

• Binary: 1110001010010011110010001110110010100₂
• Hexadecimal: 0x1C52791D94
• Base-36: 1JVQYD90

Squares and roots of 121642753428

• 121642753428 squared (121642753428²) is 14796959461545205751184
• 121642753428 cubed (121642753428³) is 1799942891264855111066802831058752
• The square root of 121642753428 is 348773.2120275295
• The cube root of 121642753428 is 4954.8298731337

Scales and comparisons

• 121,642,753,428 seconds is equal to 3,867 years, 44 weeks, 6 days, 5 hours, 43 minutes, 48 seconds.
• To count from 1 to 121,642,753,428 would take you about seven thousand, seven hundred thirty-five 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 121642753428 cubic inches would be around 412.9 feet tall.

Recreational maths with 121642753428

• 121642753428 backwards is 824357246121
• The number of decimal digits it has is: 12
• The sum of 121642753428's digits is 45
• More coming soon!