121142851992

Names of 121142851992

• Cardinal: 121142851992 can be written as One hundred twenty-one billion, one hundred forty-two million, eight hundred fifty-one thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.21142851992 × 10¹¹

Factors of 121142851992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1643

Divisors of 121142851992

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 71 72 108 142 213 216 284 426 568 639 852 1278 1567 1704 1917 2556 3134 3834 4701 5041 5112 6268 7668 9402 10082 12536 14103 15123 15336 18804 20164 28206 30246 37608 40328 42309 45369 56412 60492 84618 90738 111257 112824 120984 136107 169236 181476 222514 272214 333771 338472 357911 362952 445028 544428 667542 715822 890056 1001313 1073733 1088856 1335084 1431644 2002626 2147466 2670168 2863288 3003939 3221199 4005252 4294932 6007878 6442398 7899247 8010504 8589864 9663597 12015756 12884796 15798494 19327194 23697741 24031512 25769592 31596988 38654388 47395482 63193976 71093223 77308776 94790964 142186446 189581928 213279669 284372892 426559338 560846537 568745784 853118676 1121693074 1682539611 1706237352 2243386148 3365079222 4486772296 5047618833 6730158444 10095237666 13460316888 15142856499 20190475332 30285712998 40380950664 60571425996 121142851992
• Sum of all divisors σ(n): 341532979200
• Sum of proper divisors (its aliquot sum) s(n): 220390127208
• 121142851992 is an abundant number, because the sum of its proper divisors (220390127208) is greater than itself. Its abundance is 99247275216

Bases of 121142851992

• Binary: 1110000110100101011010011100110011000₂
• Hexadecimal: 0x1C34AD3998
• Base-36: 1JNHBQU0

Squares and roots of 121142851992

• 121142851992 squared (121142851992²) is 14675590588755618368064
• 121142851992 cubed (121142851992³) is 1777842898588810015420813731583488
• The square root of 121142851992 is 348055.8173511829
• The cube root of 121142851992 is 4948.0331197583

Scales and comparisons

• 121,142,851,992 seconds is equal to 3,851 years, 50 weeks, 2 days, 8 hours, 13 minutes, 12 seconds.
• To count from 1 to 121,142,851,992 would take you about seven thousand, seven hundred three 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 121142851992 cubic inches would be around 412.3 feet tall.

Recreational maths with 121142851992

• 121142851992 backwards is 299158241121
• The number of decimal digits it has is: 12
• The sum of 121142851992's digits is 45
• More coming soon!