121382215920

Names of 121382215920

• Cardinal: 121382215920 can be written as One hundred twenty-one billion, three hundred eighty-two million, two hundred fifteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.2138221592 × 10¹¹

Factors of 121382215920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 181117

Divisors of 121382215920

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 24 28 30 35 36 38 40 42 45 48 49 56 57 60 63 70 72 76 80 84 90 95 98 105 112 114 120 126 133 140 144 147 152 168 171 180 190 196 210 228 240 245 252 266 280 285 294 304 315 336 342 360 380 392 399 420 441 456 490 504 532 560 570 588 630 665 684 720 735 760 784 798 840 855 882 912 931 980 1008 1064 1140 1176 1197 1260 1330 1368 1470 1520 1596 1680 1710 1764 1862 1960 1995 2128 2205 2280 2352 2394 2520 2660 2736 2793 2940 3192 3420 3528 3724 3920 3990 4410 4560 4655 4788 5040 5320 5586 5880 5985 6384 6840 7056 7448 7980 8379 8820 9310 9576 10640 11172 11760 11970 13680 13965 14896 15960 16758 17640 18620 19152 22344 23940 27930 31920 33516 35280 37240 41895 44688 47880 55860 67032 74480 83790 95760 111720 134064 167580 181081 223440 335160 362162 543243 670320 724324 905405 1086486 1267567 1448648 1629729 1810810 2172972 2535134 2716215 2897296 3259458 3440539 3621620 3802701 4345944 5070268 5432430 6337835 6518916 6881078 7243240 7605402 8148645 8691888 8872969 10140536 10321617 10864860 11408103 12675670 13037832 13762156 14486480 15210804 16297290 17202695 17745938 19013505 20281072 20643234 21729720 22816206 24083773 25351340 26075664 26618907 27524312 30421608 30964851 32594580 34405390 35491876 38027010 41286468 43459440 44364845 45632412 48167546 50702680 51608085 53237814 55048624 57040515 60843216 61929702 65189160 68810780 70983752 72251319 76054020 79856721 82572936 88729690 91264824 96335092 101405360 103216170 106475628 114081030 120418865 123859404 130378320 133094535 137621560 141967504 144502638 152108040 154824255 159713442 165145872 168586411 177459380 182529648 192670184 206432340 212951256 216753957 228162060 240837730 247718808 266189070 275243120 289005276 304216080 309648510 319426884 337172822 354918760 361256595 385340368 399283605 412864680 425902512 433507914 456324120 481675460 495437616 505759233 532378140 578010552 619297020 638853768 674345644 709837520 722513190 798567210 825729360 842932055 867015828 912648240 963350920 1011518466 1064756280 1083769785 1156021104 1238594040 1277707536 1348691288 1445026380 1517277699 1597134420 1685864110 1734031656 1926701840 2023036932 2129512560 2167539570 2477188080 2528796165 2697382576 2890052760 3034555398 3194268840 3371728220 3468063312 4046073864 4335079140 5057592330 5780105520 6069110796 6388537680 6743456440 7586388495 8092147728 8670158280 10115184660 12138221592 13486912880 15172776990 17340316560 20230369320 24276443184 30345553980 40460738640 60691107960 121382215920
• Sum of all divisors σ(n): 499156154640
• Sum of proper divisors (its aliquot sum) s(n): 377773938720
• 121382215920 is an abundant number, because the sum of its proper divisors (377773938720) is greater than itself. Its abundance is 256391722800

Bases of 121382215920

• Binary: 1110001000010111100011010000011110000₂
• Hexadecimal: 0x1C42F1A0F0
• Base-36: 1JRFU580

Squares and roots of 121382215920

• 121382215920 squared (121382215920²) is 14733642341649501446400
• 121382215920 cubed (121382215920³) is 1788402156002154193527277106688000
• The square root of 121382215920 is 348399.5061994205
• The cube root of 121382215920 is 4951.2898848469

Scales and comparisons

• 121,382,215,920 seconds is equal to 3,859 years, 30 weeks, 18 hours, 12 minutes.
• To count from 1 to 121,382,215,920 would take you about seven thousand, seven hundred nineteen 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 121382215920 cubic inches would be around 412.6 feet tall.

Recreational maths with 121382215920

• 121382215920 backwards is 029512283121
• 121382215920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121382215920's digits is 36
• More coming soon!