121939145216

Names of 121939145216

• Cardinal: 121939145216 can be written as One hundred twenty-one billion, nine hundred thirty-nine million, one hundred forty-five thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.21939145216 × 10¹¹

Factors of 121939145216

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 643

Divisors of 121939145216

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 281 343 353 392 448 512 562 686 706 784 896 1124 1372 1412 1568 1792 1967 2248 2401 2471 2744 2824 3136 3584 3934 4496 4802 4942 5488 5648 6272 7868 8992 9604 9884 10976 11296 12544 13769 15736 17297 17984 19208 19768 21952 22592 25088 27538 31472 34594 35968 38416 39536 43904 45184 55076 62944 69188 71936 76832 79072 87808 90368 96383 99193 110152 121079 125888 138376 143872 153664 158144 175616 180736 192766 198386 220304 242158 251776 276752 307328 316288 385532 396772 440608 484316 503552 553504 614656 632576 674681 694351 771064 793544 847553 881216 968632 1007104 1107008 1229312 1265152 1349362 1388702 1542128 1587088 1695106 1762432 1937264 2214016 2698724 2777404 3084256 3174176 3390212 3524864 3874528 4428032 4860457 5397448 5554808 6168512 6348352 6780424 7049728 7749056 8856064 9720914 10794896 11109616 12337024 12696704 13560848 15498112 19441828 21589792 22219232 24674048 25393408 27121696 30996224 34023199 38883656 43179584 44438464 49348096 50786816 54243392 61992448 68046398 77767312 86359168 88876928 108486784 136092796 155534624 172718336 177753856 216973568 238162393 272185592 311069248 345436672 355507712 433947136 476324786 544371184 622138496 952649572 1088742368 1244276992 1905299144 2177484736 2488553984 3810598288 4354969472 7621196576 8709938944 15242393152 17419877888 30484786304 60969572608 121939145216
• Sum of all divisors σ(n): 286049447244
• Sum of proper divisors (its aliquot sum) s(n): 164110302028
• 121939145216 is an abundant number, because the sum of its proper divisors (164110302028) is greater than itself. Its abundance is 42171156812

Bases of 121939145216

• Binary: 1110001100100001000111011001000000000₂
• Hexadecimal: 0x1C6423B200
• Base-36: 1K0NF2M8

Squares and roots of 121939145216

• 121939145216 squared (121939145216²) is 14869155136008735686656
• 121939145216 cubed (121939145216³) is 1813132067369001451539707457437696
• The square root of 121939145216 is 349197.8596956173
• The cube root of 121939145216 is 4958.8508819059

Scales and comparisons

• 121,939,145,216 seconds is equal to 3,877 years, 14 weeks, 6 days, 16 hours, 46 minutes, 56 seconds.
• To count from 1 to 121,939,145,216 would take you about seven thousand, seven hundred fifty-four 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 121939145216 cubic inches would be around 413.2 feet tall.

Recreational maths with 121939145216

• 121939145216 backwards is 612541939121
• The number of decimal digits it has is: 12
• The sum of 121939145216's digits is 44
• More coming soon!