128405002752

Names of 128405002752

• Cardinal: 128405002752 can be written as One hundred twenty-eight billion, four hundred five million, two thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 1.28405002752 × 10¹¹

Factors of 128405002752

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 7452

Divisors of 128405002752

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 24 26 32 34 36 39 48 51 52 64 68 72 78 96 102 104 117 128 136 144 153 156 192 204 208 221 234 256 272 288 289 306 312 384 408 416 442 468 512 544 576 578 612 624 663 768 816 832 867 884 936 1088 1152 1156 1224 1248 1326 1536 1632 1664 1734 1768 1872 1989 2176 2304 2312 2448 2496 2601 2652 3264 3328 3468 3536 3744 3757 3978 4352 4608 4624 4896 4992 5202 5304 6528 6656 6936 7072 7417 7488 7514 7956 8704 9248 9792 9984 10404 10608 11271 13056 13872 14144 14834 14976 15028 15912 18496 19584 19968 20808 21216 22251 22542 26112 27744 28288 29668 29952 30056 31824 33813 36992 39168 41616 42432 44502 45084 55488 56576 59336 59904 60112 63648 66753 67626 73984 78336 83232 84864 89004 90168 96421 110976 113152 118672 120224 126089 127296 133506 135252 147968 166464 169728 178008 180336 192842 221952 237344 240448 252178 254592 267012 270504 289263 332928 339456 356016 360672 378267 385684 443904 474688 480896 504356 509184 534024 541008 578526 665856 712032 721344 756534 771368 867789 949376 961792 1008712 1018368 1068048 1082016 1134801 1157052 1331712 1424064 1442688 1513068 1542736 1639157 1735578 1898752 1923584 2017424 2136096 2143513 2164032 2269602 2314104 2848128 2885376 3026136 3085472 3278314 3471156 3797504 4034848 4272192 4287026 4328064 4539204 4628208 4917471 5696256 5770752 6052272 6170944 6430539 6556628 6942312 8069696 8544384 8574052 8656128 9078408 9256416 9834942 11392512 12104544 12341888 12861078 13113256 13884624 14752413 16139392 17088768 17148104 17312256 18156816 18512832 19291617 19669884 24209088 24683776 25722156 26226512 27769248 27865669 29504826 32278784 34177536 34296208 36313632 37025664 38583234 39339768 48418176 49367552 51444312 52453024 55538496 55731338 59009652 64557568 68592416 72627264 74051328 77166468 78679536 83597007 96836352 102888624 104906048 111076992 111462676 118019304 137184832 145254528 148102656 154332936 157359072 167194014 193672704 205777248 209812096 222153984 222925352 236038608 250791021 274369664 290509056 308665872 314718144 334388028 411554496 419624192 444307968 445850704 472077216 501582042 548739328 581018112 617331744 629436288 668776056 823108992 839248384 891701408 944154432 1003164084 1097478656 1234663488 1258872576 1337552112 1646217984 1783402816 1888308864 2006328168 2469326976 2517745152 2675104224 3292435968 3566805632 3776617728 4012656336 4938653952 5350208448 7133611264 7553235456 8025312672 9877307904 10700416896 14267222528 16050625344 21400833792 32101250688 42801667584 64202501376 128405002752
• Sum of all divisors σ(n): 424006218636
• Sum of proper divisors (its aliquot sum) s(n): 295601215884
• 128405002752 is an abundant number, because the sum of its proper divisors (295601215884) is greater than itself. Its abundance is 167196213132

Bases of 128405002752

• Binary: 1110111100101100010001101101000000000₂
• Hexadecimal: 0x1DE588DA00
• Base-36: 1MZL0U80

Squares and roots of 128405002752

• 128405002752 squared (128405002752²) is 16487844731741127573504
• 128405002752 cubed (128405002752³) is 2117121748153768187827364202283008
• The square root of 128405002752 is 358336.4379350779
• The cube root of 128405002752 is 5044.9939314121

Scales and comparisons

• 128,405,002,752 seconds is equal to 4,082 years, 45 weeks, 6 days, 19 minutes, 12 seconds.
• To count from 1 to 128,405,002,752 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 128405002752 cubic inches would be around 420.4 feet tall.

Recreational maths with 128405002752

• 128405002752 backwards is 257200504821
• 128405002752 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128405002752's digits is 36
• More coming soon!