121531799840

Names of 121531799840

• Cardinal: 121531799840 can be written as One hundred twenty-one billion, five hundred thirty-one million, seven hundred ninety-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.2153179984 × 10¹¹

Factors of 121531799840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 539

Divisors of 121531799840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 31 32 40 41 44 55 62 80 82 88 110 121 124 155 160 164 176 205 220 242 248 310 328 341 352 410 440 449 451 484 496 605 620 656 682 820 880 898 902 968 992 1210 1240 1271 1312 1331 1364 1640 1705 1760 1796 1804 1936 2245 2255 2420 2480 2542 2662 2728 3280 3410 3592 3608 3751 3872 4490 4510 4840 4939 4960 4961 5084 5324 5456 6355 6560 6655 6820 7184 7216 7502 8980 9020 9680 9878 9922 10168 10648 10912 12710 13310 13640 13919 13981 14368 14432 15004 17960 18040 18409 18755 19360 19756 19844 20336 21296 24695 24805 25420 26620 27280 27838 27962 30008 35920 36080 36818 37510 39512 39688 40672 41261 42592 49390 49610 50840 53240 54329 54560 54571 55676 55924 60016 69595 69905 71840 72160 73636 75020 79024 79376 82522 92045 98780 99220 101680 106480 108658 109142 111352 111848 120032 139190 139810 147272 150040 153109 153791 158048 158752 165044 184090 197560 198440 202499 203360 206305 212960 217316 218284 222704 223696 271645 272855 278380 279620 294544 300080 306218 307582 330088 368180 395120 396880 404998 412610 434632 436568 445408 447392 543290 545710 556760 559240 570679 589088 597619 600160 612436 615164 660176 736360 765545 768955 790240 793760 809996 825220 869264 873136 1012495 1086580 1091420 1113520 1118480 1141358 1195238 1224872 1230328 1320352 1472720 1531090 1537910 1619992 1650440 1684199 1691701 1738528 1746272 2024990 2173160 2182840 2227040 2227489 2236960 2282716 2390476 2449744 2460656 2853395 2945440 2988095 3062180 3075820 3239984 3300880 3368398 3383402 4049980 4346320 4365680 4454978 4565432 4780952 4899488 4921312 5706790 5976190 6124360 6151640 6277469 6479968 6601760 6736796 6766804 8099960 8420995 8458505 8692640 8731360 8909956 9130864 9561904 11137445 11413580 11952380 12248720 12303280 12554938 13473592 13533608 16199920 16841990 16917010 17819912 18261728 18526189 19123808 22274890 22827160 23904760 24497440 24502379 24606560 25109876 26947184 27067216 31387345 32399840 33683980 33834020 35639824 37052378 44549780 45654320 47809520 49004758 50219752 53894368 54134432 62774690 67367960 67668040 69052159 71279648 74104756 89099560 91308640 92630945 95619040 98009516 100439504 122511895 125549380 134735920 135336080 138104318 148209512 178199120 185261890 196019032 200879008 245023790 251098760 269471840 270672160 276208636 296419024 345260795 356398240 370523780 392038064 490047580 502197520 552417272 592838048 690521590 741047560 759573749 784076128 980095160 1004395040 1104834544 1381043180 1482095120 1519147498 1960190320 2209669088 2762086360 2964190240 3038294996 3797868745 3920380640 5524172720 6076589992 7595737490 11048345440 12153179984 15191474980 24306359968 30382949960 60765899920 121531799840
• Sum of all divisors σ(n): 334691481600
• Sum of proper divisors (its aliquot sum) s(n): 213159681760
• 121531799840 is an abundant number, because the sum of its proper divisors (213159681760) is greater than itself. Its abundance is 91627881920

Bases of 121531799840

• Binary: 1110001001011110111000001100100100000₂
• Hexadecimal: 0x1C4BDC1920
• Base-36: 1JTWW8WW

Squares and roots of 121531799840

• 121531799840 squared (121531799840²) is 14769978372349824025600
• 121531799840 cubed (121531799840³) is 1795022055189547803938442235904000
• The square root of 121531799840 is 348614.1130820725
• The cube root of 121531799840 is 4953.3229375353

Scales and comparisons

• 121,531,799,840 seconds is equal to 3,864 years, 17 weeks, 3 days, 1 hour, 17 minutes, 20 seconds.
• To count from 1 to 121,531,799,840 would take you about seven thousand, seven hundred twenty-eight 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 121531799840 cubic inches would be around 412.8 feet tall.

Recreational maths with 121531799840

• 121531799840 backwards is 048997135121
• The number of decimal digits it has is: 12
• The sum of 121531799840's digits is 50
• More coming soon!