121081355820

Names of 121081355820

• Cardinal: 121081355820 can be written as One hundred twenty-one billion, eighty-one million, three hundred fifty-five thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.2108135582 × 10¹¹

Factors of 121081355820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 11557

Divisors of 121081355820

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 47 54 60 90 94 108 135 141 180 188 235 270 282 423 431 470 540 564 705 846 862 940 1269 1293 1410 1692 1724 2115 2155 2538 2586 2820 3879 4230 4310 5076 5172 6345 6465 7758 8460 8620 11069 11637 12690 12930 15516 19395 20257 22138 23274 25380 25860 33207 38790 40514 44276 46548 55345 58185 60771 66414 77580 81028 99621 101285 110690 116370 121542 132828 166035 182313 199242 202570 221380 232740 243084 298863 303855 332070 364626 398484 405140 498105 520243 546939 597726 607710 664140 729252 911565 996210 1040486 1093878 1195452 1215420 1494315 1560729 1823130 1992420 2080972 2187756 2601215 2734695 2988630 3121458 3646260 4682187 4770739 5202430 5469390 5977260 6242916 7803645 9364374 9541478 10404860 10938780 14046561 14312217 15607290 18728748 19082956 23410935 23853695 28093122 28624434 31214580 42936651 46821870 47707390 56186244 57248868 70232805 71561085 85873302 93643740 95414780 128809953 140465610 143122170 171746604 214683255 224224733 257619906 280931220 286244340 429366510 448449466 515239812 644049765 672674199 858733020 896898932 1121123665 1288099530 1345348398 2018022597 2242247330 2576199060 2690696796 3363370995 4036045194 4484494660 6054067791 6726741990 8072090388 10090112985 12108135582 13453483980 20180225970 24216271164 30270338955 40360451940 60540677910 121081355820
• Sum of all divisors σ(n): 385639833600
• Sum of proper divisors (its aliquot sum) s(n): 264558477780
• 121081355820 is an abundant number, because the sum of its proper divisors (264558477780) is greater than itself. Its abundance is 143477121960

Bases of 121081355820

• Binary: 1110000110001000000101101111000101100₂
• Hexadecimal: 0x1C3102DE2C
• Base-36: 1JMGPO30

Squares and roots of 121081355820

• 121081355820 squared (121081355820²) is 14660694727209447872400
• 121081355820 cubed (121081355820³) is 1775136794833644993503806357368000
• The square root of 121081355820 is 347967.4637376317
• The cube root of 121081355820 is 4947.1957155595

Scales and comparisons

• 121,081,355,820 seconds is equal to 3,850 years, 4 days, 13 hours, 57 minutes.
• To count from 1 to 121,081,355,820 would take you about seven thousand, seven hundred 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 121081355820 cubic inches would be around 412.3 feet tall.

Recreational maths with 121081355820

• 121081355820 backwards is 028553180121
• 121081355820 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121081355820's digits is 36
• More coming soon!