138615717888

Names of 138615717888

• Cardinal: 138615717888 can be written as One hundred thirty-eight billion, six hundred fifteen million, seven hundred seventeen thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38615717888 × 10¹¹

Factors of 138615717888

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 1479

Divisors of 138615717888

• Number of divisors d(n): 228
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 41 48 64 72 82 96 123 128 144 164 192 246 256 288 328 369 384 492 512 576 656 738 768 984 1024 1152 1312 1433 1476 1536 1968 2048 2304 2624 2866 2952 3072 3936 4096 4299 4608 5248 5732 5904 6144 7872 8192 8598 9216 10496 11464 11808 12288 12897 15744 16384 17196 18432 20992 22928 23616 24576 25794 31488 32768 34392 36864 41984 45856 47232 49152 51588 58753 62976 65536 68784 73728 83968 91712 94464 98304 103176 117506 125952 131072 137568 147456 167936 176259 183424 188928 196608 206352 235012 251904 262144 275136 294912 335872 352518 366848 377856 393216 412704 470024 503808 528777 550272 589824 671744 705036 733696 755712 786432 825408 940048 1007616 1057554 1100544 1179648 1343488 1410072 1467392 1511424 1650816 1880096 2015232 2115108 2201088 2359296 2686976 2820144 2934784 3022848 3301632 3760192 4030464 4230216 4402176 5373952 5640288 5869568 6045696 6603264 7520384 8060928 8460432 8804352 10747904 11280576 11739136 12091392 13206528 15040768 16121856 16920864 17608704 22561152 23478272 24182784 26413056 30081536 32243712 33841728 35217408 45122304 46956544 48365568 52826112 60163072 67683456 70434816 90244608 93913088 96731136 105652224 120326144 135366912 140869632 180489216 187826176 211304448 240652288 270733824 281739264 360978432 375652352 422608896 481304576 541467648 563478528 721956864 845217792 962609152 1082935296 1126957056 1443913728 1690435584 1925218304 2165870592 2887827456 3380871168 3850436608 4331741184 5775654912 7700873216 8663482368 11551309824 15401746432 17326964736 23102619648 34653929472 46205239296 69307858944 138615717888
• Sum of all divisors σ(n): 410497846668
• Sum of proper divisors (its aliquot sum) s(n): 271882128780
• 138615717888 is an abundant number, because the sum of its proper divisors (271882128780) is greater than itself. Its abundance is 133266410892

Bases of 138615717888

• Binary: 10000001000110001001000000000000000000₂
• Hexadecimal: 0x2046240000
• Base-36: 1ROG7WG0

Squares and roots of 138615717888

• 138615717888 squared (138615717888²) is 19214317245605603180544
• 138615717888 cubed (138615717888³) is 2663406378727399498186362634371072
• The square root of 138615717888 is 372311.3185064349
• The cube root of 138615717888 is 5175.3233916227

Scales and comparisons

• 138,615,717,888 seconds is equal to 4,407 years, 28 weeks, 4 days, 14 hours, 4 minutes, 48 seconds.
• To count from 1 to 138,615,717,888 would take you about eight thousand, eight hundred fifteen 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 138615717888 cubic inches would be around 431.3 feet tall.

Recreational maths with 138615717888

• 138615717888 backwards is 888717516831
• The number of decimal digits it has is: 12
• The sum of 138615717888's digits is 63
• More coming soon!