121720930344

Names of 121720930344

• Cardinal: 121720930344 can be written as One hundred twenty-one billion, seven hundred twenty million, nine hundred thirty thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 1.21720930344 × 10¹¹

Factors of 121720930344

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 938

Divisors of 121720930344

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 31 36 39 52 59 62 72 78 93 97 104 117 118 124 156 177 186 194 234 236 248 279 291 312 354 372 388 403 468 472 531 558 582 708 733 744 767 776 806 873 936 1062 1116 1164 1209 1261 1416 1466 1534 1612 1746 1829 2124 2199 2232 2301 2328 2418 2522 2932 3007 3068 3224 3492 3627 3658 3783 4248 4398 4602 4836 5044 5487 5723 5864 6014 6136 6597 6903 6984 7254 7316 7566 8796 9021 9204 9529 9672 10088 10974 11349 11446 12028 13194 13806 14508 14632 15132 16461 17169 17592 18042 18408 19058 21948 22698 22723 22892 23777 24056 26388 27063 27612 28587 29016 30264 32922 34338 36084 38116 39091 43247 43896 45396 45446 45784 47554 51507 52776 54126 55224 57174 65844 68169 68676 71101 71331 72168 74399 76232 78182 85761 86494 90792 90892 95108 103014 108252 114348 117273 129741 131688 136338 137352 142202 142662 148798 156364 171522 172988 177413 181784 190216 204507 206028 213303 213993 216504 223197 228696 234546 259482 272676 284404 285324 295399 297596 312728 343044 345976 351819 354826 389223 409014 412056 426606 427986 446394 469092 518964 532239 545352 562211 568808 570648 590798 595192 639909 669591 686088 703638 709652 778446 818028 853212 855972 886197 892788 924313 938184 1037928 1064478 1124422 1181596 1279818 1339182 1340657 1407276 1419304 1556892 1596717 1636056 1686633 1706424 1711944 1772394 1785576 1848626 2128956 2204131 2248844 2306369 2363192 2559636 2658591 2678364 2681314 2772939 2814552 3113784 3193434 3373266 3544788 3697252 4021971 4194959 4257912 4408262 4497688 4612738 5059899 5119272 5317182 5356728 5362628 5545878 6386868 6612393 6746532 6919107 7089576 7394504 8043942 8318817 8389918 8816524 9225476 10119798 10634364 10725256 11091756 12065913 12584877 12773736 13224786 13493064 13838214 16087884 16637634 16779836 17428541 17633048 18450952 19837179 20239596 20757321 21268728 22183512 24131826 25169754 26449572 27676428 28653703 32175768 33275268 33559672 34857082 37754631 39674358 40479192 41514642 48263652 50339508 52285623 52899144 54534467 55352856 57307406 66550536 69714164 75509262 79348716 83029284 85961109 96527304 100679016 104571246 109068934 114614812 130043729 139428328 151018524 156856869 158697432 163603401 166058568 171922218 209142492 218137868 229229624 257883327 260087458 302037048 313713738 327206802 343844436 390131187 418284984 436275736 490810203 515766654 520174916 627427476 654413604 687688872 780262374 981620406 1031533308 1040349832 1170393561 1254854952 1308827208 1560524748 1690568477 1963240812 2063066616 2340787122 3121049496 3381136954 3926481624 4681574244 5071705431 6762273908 9363148488 10143410862 13524547816 15215116293 20286821724 30430232586 40573643448 60860465172 121720930344
• Sum of all divisors σ(n): 377038771200
• Sum of proper divisors (its aliquot sum) s(n): 255317840856
• 121720930344 is an abundant number, because the sum of its proper divisors (255317840856) is greater than itself. Its abundance is 133596910512

Bases of 121720930344

• Binary: 1110001010111001000100000000000101000₂
• Hexadecimal: 0x1C57220028
• Base-36: 1JX1HYY0

Squares and roots of 121720930344

• 121720930344 squared (121720930344²) is 14815984883808899958336
• 121720930344 cubed (121720930344³) is 1803415464019860045235880758147584
• The square root of 121720930344 is 348885.2681670579
• The cube root of 121720930344 is 4955.8910964193

Scales and comparisons

• 121,720,930,344 seconds is equal to 3,870 years, 18 weeks, 1 day, 1 hour, 32 minutes, 24 seconds.
• To count from 1 to 121,720,930,344 would take you about seven thousand, seven hundred forty 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 121720930344 cubic inches would be around 413 feet tall.

Recreational maths with 121720930344

• 121720930344 backwards is 443039027121
• 121720930344 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121720930344's digits is 36
• More coming soon!