128406701120

Names of 128406701120

• Cardinal: 128406701120 can be written as One hundred twenty-eight billion, four hundred six million, seven hundred one thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.2840670112 × 10¹¹

Factors of 128406701120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 10435

Divisors of 128406701120

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 29 32 34 40 58 64 68 79 80 85 116 136 145 158 160 170 232 272 290 316 320 340 395 464 493 544 580 632 680 790 928 986 1088 1160 1264 1343 1360 1580 1856 1972 2291 2320 2465 2528 2686 2720 3160 3944 4582 4640 4930 5056 5372 5440 6320 6715 7888 9164 9280 9860 10303 10744 11455 12640 13430 15776 18328 19720 20606 21488 22910 25280 26860 31552 36656 38947 39440 41212 42976 45820 51515 53720 73312 77894 78880 82424 85952 91640 103030 107440 146624 155788 157760 164848 175151 183280 194735 206060 214880 298787 311576 329696 350302 366560 389470 412120 429760 597574 623152 659392 700604 733120 778940 813937 824240 875755 1195148 1246304 1401208 1493935 1557880 1627874 1648480 1751510 2390296 2492608 2802416 2987870 3115760 3255748 3296960 3503020 4069685 4780592 5079379 5604832 5975740 6231520 6511496 7006040 8139370 9561184 10158758 11209664 11951480 12463040 13022992 13836929 14012080 16278740 19122368 20317516 23604173 23902960 25396895 26045984 27673858 28024160 32557480 40635032 47208346 47805920 50793790 52091968 55347716 56048320 65114960 69184645 81270064 94416692 95611840 101587580 110695432 118020865 130229920 138369290 162540128 188833384 203175160 221390864 236041730 260459840 276738580 325080256 377666768 401270941 406350320 442781728 472083460 553477160 755333536 802541882 812700640 885563456 944166920 1106954320 1510667072 1605083764 1625401280 1888333840 2006354705 2213908640 3210167528 3776667680 4012709410 4427817280 6420335056 7553335360 8025418820 12840670112 16050837640 25681340224 32101675280 64203350560 128406701120
• Sum of all divisors σ(n): 339191193600
• Sum of proper divisors (its aliquot sum) s(n): 210784492480
• 128406701120 is an abundant number, because the sum of its proper divisors (210784492480) is greater than itself. Its abundance is 82377791360

Bases of 128406701120

• Binary: 1110111100101101000101100010001000000₂
• Hexadecimal: 0x1DE5A2C440
• Base-36: 1MZM18OW

Squares and roots of 128406701120

• 128406701120 squared (128406701120²) is 16488280892521009254400
• 128406701120 cubed (128406701120³) is 2117205756548552078650494844928000
• The square root of 128406701120 is 358338.8077225239
• The cube root of 128406701120 is 5045.0161741033

Scales and comparisons

• 128,406,701,120 seconds is equal to 4,082 years, 48 weeks, 4 days, 16 hours, 5 minutes, 20 seconds.
• To count from 1 to 128,406,701,120 would take you about eight thousand, one hundred sixty-five 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 128406701120 cubic inches would be around 420.4 feet tall.

Recreational maths with 128406701120

• 128406701120 backwards is 021107604821
• 128406701120 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128406701120's digits is 32
• More coming soon!