121205642688

Names of 121205642688

• Cardinal: 121205642688 can be written as One hundred twenty-one billion, two hundred five million, six hundred forty-two thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.21205642688 × 10¹¹

Factors of 121205642688

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 108

Divisors of 121205642688

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 19 24 26 32 36 38 39 48 52 57 64 71 72 76 78 96 104 114 117 142 144 152 156 169 171 192 208 213 228 234 247 284 288 304 312 338 342 416 426 456 468 494 507 568 576 608 624 639 676 684 741 832 852 912 923 936 988 1014 1136 1216 1248 1278 1349 1352 1368 1482 1521 1704 1824 1846 1872 1976 2028 2197 2223 2272 2496 2556 2698 2704 2736 2769 2964 3042 3211 3408 3648 3692 3744 3952 4047 4056 4394 4446 4544 5041 5112 5396 5408 5472 5538 5928 6084 6422 6591 6816 7384 7488 7904 8094 8112 8307 8788 8892 9633 10082 10224 10792 10816 10944 11076 11856 11999 12141 12168 12844 13182 13632 14768 15123 15808 16188 16224 16614 17537 17576 17784 19266 19773 20164 20448 21584 22152 23712 23998 24282 24336 25688 26364 28899 29536 30246 32376 32448 33228 35074 35152 35568 35997 38532 39546 40328 40896 41743 43168 44304 45369 47424 47996 48564 48672 51376 52611 52728 57798 59072 60492 64752 65533 66456 70148 70304 71136 71994 77064 79092 80656 83486 86336 88608 90738 95779 95992 97128 97344 102752 105222 105456 107991 115596 120984 125229 129504 131066 132912 140296 140608 142272 143988 154128 155987 157833 158184 161312 166972 177216 181476 191558 191984 194256 196599 205504 210444 210912 215982 227981 231192 241968 250458 259008 262132 265824 280592 287337 287976 308256 311974 315666 316368 322624 333944 362952 375687 383116 383968 388512 393198 420888 421824 431964 455962 462384 467961 483936 500916 524264 531648 561184 574674 575952 589797 616512 623948 631332 632736 667888 683943 725904 751374 766232 767936 777024 786396 841776 851929 862011 863928 911924 924768 935922 967872 1001832 1048528 1122368 1149348 1151904 1179594 1245127 1247896 1262664 1265472 1335776 1367886 1403883 1451808 1502748 1532464 1572792 1683552 1703858 1724022 1727856 1823848 1849536 1871844 2003664 2051829 2097056 2298696 2303808 2359188 2490254 2495792 2525328 2555787 2671552 2735772 2807766 2903616 2963753 3005496 3064928 3145584 3367104 3407716 3448044 3455712 3647696 3735381 3743688 4007328 4103658 4194112 4597392 4718376 4980508 4991584 5050656 5111574 5471544 5615532 5927506 6010992 6129856 6291168 6815432 6896088 6911424 7295392 7470762 7487376 7667361 8014656 8207316 8891259 9194784 9436752 9961016 9983168 10101312 10223148 10943088 11075077 11206143 11231064 11855012 12021984 12582336 13630864 13792176 14590784 14941524 14974752 15334722 16186651 16414632 17782518 18389568 18873504 19922032 20446296 21886176 22150154 22412286 22462128 23710024 24043968 26673777 27261728 27584352 29883048 29949504 30669444 32373302 32829264 33225231 35565036 37747008 39844064 40892592 43772352 44300308 44824572 44924256 47420048 48559953 53347554 54523456 55168704 59766096 61338888 64746604 65658528 66450462 71130072 79688128 81785184 88600616 89649144 89848512 94840096 97119906 99675693 106695108 119532192 122677776 129493208 131317056 132900924 142260144 145679859 163570368 177201232 179298288 189680192 194239812 199351386 210426463 213390216 239064384 245355552 258986416 265801848 284520288 291359718 354402464 358596576 388479624 398702772 420852926 426780432 490711104 517972832 531603696 569040576 582719436 631279389 708804928 717193152 776959248 797405544 841705852 853560864 1035945664 1063207392 1165438872 1262558778 1553918496 1594811088 1683411704 1707121728 1893838167 2126414784 2330877744 2525117556 3107836992 3189622176 3366823408 3787676334 4661755488 5050235112 6379244352 6733646816 7575352668 9323510976 10100470224 13467293632 15150705336 20200940448 30301410672 40401880896 60602821344 121205642688
• Sum of all divisors σ(n): 401818398800
• Sum of proper divisors (its aliquot sum) s(n): 280612756112
• 121205642688 is an abundant number, because the sum of its proper divisors (280612756112) is greater than itself. Its abundance is 159407113424

Bases of 121205642688

• Binary: 1110000111000011010110101010111000000₂
• Hexadecimal: 0x1C386B55C0
• Base-36: 1JOIPKG0

Squares and roots of 121205642688

• 121205642688 squared (121205642688²) is 14690807819411127865344
• 121205642688 cubed (121205642688³) is 1780608803357621594617965042204672
• The square root of 121205642688 is 348146.0077151539
• The cube root of 121205642688 is 4948.8878593619

Scales and comparisons

• 121,205,642,688 seconds is equal to 3,853 years, 50 weeks, 1 day, 2 hours, 4 minutes, 48 seconds.
• To count from 1 to 121,205,642,688 would take you about seven thousand, seven hundred 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 121205642688 cubic inches would be around 412.4 feet tall.

Recreational maths with 121205642688

• 121205642688 backwards is 886246502121
• The number of decimal digits it has is: 12
• The sum of 121205642688's digits is 45
• More coming soon!