120991128320
120,991,128,320 is an even composite number composed of six prime numbers multiplied together.
120991128320 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 120991128320:
28 × 5 × 23 × 61 × 89 × 757
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 23 × 61 × 89 × 757)See below for interesting mathematical facts about the number 120991128320 from the Numbermatics database.
Names of 120991128320
- Cardinal: 120991128320 can be written as One hundred twenty billion, nine hundred ninety-one million, one hundred twenty-eight thousand, three hundred twenty.
Scientific notation
- Scientific notation: 1.2099112832 × 1011
Factors of 120991128320
Divisors of 120991128320
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 8 10 16 20 23 32 40 46 61 64 80 89 92 115 122 128 160 178 184 230 244 256 305 320 356 368 445 460 488 610 640 712 736 757 890 920 976 1220 1280 1403 1424 1472 1514 1780 1840 1952 2047 2440 2806 2848 2944 3028 3560 3680 3785 3904 4094 4880 5429 5612 5696 5888 6056 7015 7120 7360 7570 7808 8188 9760 10235 10858 11224 11392 12112 14030 14240 14720 15140 15616 16376 17411 19520 20470 21716 22448 22784 24224 27145 28060 28480 29440 30280 32752 34822 39040 40940 43432 44896 46177 48448 54290 56120 56960 60560 65504 67373 69644 78080 81880 86864 87055 89792 92354 96896 108580 112240 113920 121120 124867 131008 134746 139288 163760 173728 174110 179584 184708 193792 217160 224480 230885 242240 249734 262016 269492 278576 327520 336865 347456 348220 359168 369416 434320 448960 461770 484480 499468 524032 538984 557152 624335 655040 673730 694912 696440 738832 868640 897920 923540 968960 998936 1062071 1077968 1114304 1248670 1310080 1347460 1389824 1392880 1477664 1549579 1737280 1795840 1847080 1997872 2124142 2155936 2228608 2497340 2620160 2694920 2785760 2955328 3099158 3474560 3694160 3995744 4109753 4248284 4311872 4457216 4994680 5310355 5389840 5571520 5910656 6198316 6949120 7388320 7747895 7991488 8219506 8496568 8623744 9989360 10620710 10779680 11143040 11821312 12396632 14776640 15495790 15982976 16439012 16993136 17247488 19978720 20548765 21241420 21559360 22286080 24793264 29553280 30991580 31965952 32878024 33986272 39957440 41097530 42482840 43118720 49586528 59106560 61983160 65756048 67972544 79914880 82195060 84965680 86237440 94524319 99173056 123966320 131512096 135945088 159829760 164390120 169931360 189048638 198346112 247932640 263024192 271890176 328780240 339862720 378097276 396692224 472621595 495865280 526048384 657560480 679725440 756194552 945243190 991730560 1052096768 1315120960 1359450880 1512389104 1890486380 1983461120 2630241920 3024778208 3780972760 5260483840 6049556416 7561945520 12099112832 15123891040 24198225664 30247782080 60495564160 120991128320
- Sum of all divisors σ(n): 311233829760
- Sum of proper divisors (its aliquot sum) s(n): 190242701440
- 120991128320 is an abundant number, because the sum of its proper divisors (190242701440) is greater than itself. Its abundance is 69251573120
Bases of 120991128320
- Binary: 11100001010111010001000011011000000002
- Hexadecimal: 0x1C2BA21B00
- Base-36: 1JKYZS3K
Squares and roots of 120991128320
- 120991128320 squared (1209911283202) is 14638853132146706022400
- 120991128320 cubed (1209911283203) is 1771171357769196025421515194368000
-
The
square root of 120991128320 is 347837.7902413709 -
The
cube root of 120991128320 is 4945.9665584621
Scales and comparisons
How big is 120991128320?- 120,991,128,320 seconds is equal to 3,847 years, 7 weeks, 3 days, 6 hours, 45 minutes, 20 seconds.
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To count from 1 to 120,991,128,320 would take you about seven thousand, six hundred ninety-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 120991128320 cubic inches would be around 412.2 feet tall.
Recreational maths with 120991128320
- 120991128320 backwards is 023821199021
- The number of decimal digits it has is: 12
- The sum of 120991128320's digits is 38
- More coming soon!
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