121420074720

Names of 121420074720

• Cardinal: 121420074720 can be written as One hundred twenty-one billion, four hundred twenty million, seventy-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2142007472 × 10¹¹

Factors of 121420074720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1054

Divisors of 121420074720

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 223 224 240 280 336 347 420 446 467 480 560 669 672 694 840 892 934 1041 1115 1120 1338 1388 1401 1561 1680 1735 1784 1868 2082 2230 2335 2429 2676 2776 2802 3122 3269 3345 3360 3470 3568 3736 4164 4460 4670 4683 4858 5205 5352 5552 5604 6244 6538 6690 6940 7005 7136 7287 7472 7805 8328 8920 9340 9366 9716 9807 10410 10704 11104 11208 12145 12488 13076 13380 13880 14010 14574 14944 15610 16345 16656 17840 18680 18732 19432 19614 20820 21408 22416 23415 24290 24976 26152 26760 27760 28020 29148 31220 32690 33312 35680 36435 37360 37464 38864 39228 41640 44832 46830 48580 49035 49952 52304 53520 55520 56040 58296 62440 65380 72870 74720 74928 77381 77728 78456 83280 93660 97160 98070 104141 104608 107040 112080 116592 124880 130760 145740 149856 154762 156912 162049 166560 187320 194320 196140 208282 224160 232143 233184 249760 261520 291480 309524 312423 313824 324098 374640 386905 388640 392280 416564 464286 486147 520705 523040 541667 582960 619048 624846 648196 728987 749280 773810 784560 810245 833128 928572 972294 1041410 1083334 1134343 1160715 1165920 1238096 1249692 1296392 1457974 1547620 1562115 1569120 1620490 1625001 1666256 1857144 1944588 2082820 2166668 2186961 2268686 2321430 2430735 2476192 2499384 2592784 2708335 2915948 3095240 3124230 3240980 3250002 3332512 3403029 3644935 3714288 3889176 4165640 4333336 4373922 4537372 4642860 4861470 4998768 5185568 5416670 5671715 5831896 6190480 6248460 6481960 6500004 6806058 7289870 7428576 7778352 8125005 8331280 8666672 8747844 9074744 9285720 9722940 9997536 10833340 10934805 11343430 11663792 12380960 12496920 12963920 13000008 13612116 14579740 15556704 16250010 16662560 17015145 17333344 17495688 18149488 18571440 19445880 21666680 21869610 22686860 23327584 24993840 25927840 26000016 27224232 29159480 32500020 34030290 34991376 36136927 36298976 37142880 38891760 43333360 43739220 45373720 49987680 52000032 54448464 58318960 65000040 68060580 69982752 72273854 77783520 86666720 87478440 90747440 108410781 108896928 116637920 130000080 136121160 144547708 174956880 180684635 181494880 216821562 252958489 260000160 272242320 289095416 349913760 361369270 433643124 505916978 542053905 544484640 578190832 722738540 758875467 867286248 1011833956 1084107810 1156381664 1264792445 1445477080 1517750934 1734572496 2023667912 2168215620 2529584890 2890954160 3035501868 3469144992 3794377335 4047335824 4336431240 5059169780 5781908320 6071003736 7588754670 8094671648 8672862480 10118339560 12142007472 15177509340 17345724960 20236679120 24284014944 30355018680 40473358240 60710037360 121420074720
• Sum of all divisors σ(n): 441280659456
• Sum of proper divisors (its aliquot sum) s(n): 319860584736
• 121420074720 is an abundant number, because the sum of its proper divisors (319860584736) is greater than itself. Its abundance is 198440510016

Bases of 121420074720

• Binary: 1110001000101001100110100111011100000₂
• Hexadecimal: 0x1C45334EE0
• Base-36: 1JS2DL9C

Squares and roots of 121420074720

• 121420074720 squared (121420074720²) is 14742834545010383078400
• 121420074720 cubed (121420074720³) is 1790076072039757916555151618048000
• The square root of 121420074720 is 348453.8344171289
• The cube root of 121420074720 is 4951.8045961853

Scales and comparisons

• 121,420,074,720 seconds is equal to 3,860 years, 40 weeks, 4 days, 22 hours, 32 minutes.
• To count from 1 to 121,420,074,720 would take you about seven thousand, seven hundred twenty-one 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 121420074720 cubic inches would be around 412.7 feet tall.

Recreational maths with 121420074720

• 121420074720 backwards is 027470024121
• 121420074720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121420074720's digits is 30
• More coming soon!