138472828640

Names of 138472828640

• Cardinal: 138472828640 can be written as One hundred thirty-eight billion, four hundred seventy-two million, eight hundred twenty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3847282864 × 10¹¹

Factors of 138472828640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2937

Divisors of 138472828640

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 53 62 80 106 124 155 160 199 212 248 265 310 398 424 496 530 620 796 848 992 995 1060 1240 1592 1643 1696 1990 2120 2480 2647 3184 3286 3980 4240 4960 5294 6169 6368 6572 7960 8215 8480 10547 10588 12338 13144 13235 15920 16430 21094 21176 24676 26288 26470 30845 31840 32860 42188 42352 49352 52576 52735 52940 61690 65720 82057 84376 84704 98704 105470 105880 123380 131440 140291 164114 168752 197408 210940 211760 246760 262880 280582 326957 328228 337504 410285 421880 423520 493520 526753 561164 653914 656456 701455 820570 843760 987040 1053506 1122328 1307828 1312912 1402910 1634785 1641140 1687520 2107012 2244656 2615656 2625824 2633765 2805820 3269570 3282280 4214024 4349021 4489312 5231312 5267530 5611640 6539140 6564560 8428048 8698042 10462624 10535060 11223280 13078280 13129120 16329343 16856096 17396084 21070120 21745105 22446560 26156560 27917909 32658686 34792168 42140240 43490210 52313120 55835818 65317372 69584336 81646715 84280480 86980420 111671636 130634744 139168672 139589545 163293430 173960840 223343272 261269488 279179090 326586860 347921680 446686544 522538976 558358180 653173720 695843360 865455179 893373088 1116716360 1306347440 1730910358 2233432720 2612694880 3461820716 4327275895 4466865440 6923641432 8654551790 13847282864 17309103580 27694565728 34618207160 69236414320 138472828640
• Sum of all divisors σ(n): 345926246400
• Sum of proper divisors (its aliquot sum) s(n): 207453417760
• 138472828640 is an abundant number, because the sum of its proper divisors (207453417760) is greater than itself. Its abundance is 68980589120

Bases of 138472828640

• Binary: 10000000111101100111111010111011100000₂
• Hexadecimal: 0x203D9FAEE0
• Base-36: 1RM35AE8

Squares and roots of 138472828640

• 138472828640 squared (138472828640²) is 19174724271562804249600
• 138472828640 cubed (138472828640³) is 2655178308275365017852724588544000
• The square root of 138472828640 is 372119.3741798457
• The cube root of 138472828640 is 5173.5444872689

Scales and comparisons

• 138,472,828,640 seconds is equal to 4,403 years, 2 days, 18 hours, 37 minutes, 20 seconds.
• To count from 1 to 138,472,828,640 would take you about eight thousand, eight hundred six 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 138472828640 cubic inches would be around 431.1 feet tall.

Recreational maths with 138472828640

• 138472828640 backwards is 046828274831
• 138472828640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138472828640's digits is 53
• More coming soon!