21941738648173440

Names of 21941738648173440

• Cardinal: 21941738648173440 can be written as Twenty-one quadrillion, nine hundred forty-one trillion, seven hundred thirty-eight billion, six hundred forty-eight million, one hundred seventy-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.194173864817344 × 10¹⁶

Factors of 21941738648173440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 10977895534

Divisors of 21941738648173440

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 288 320 347 360 384 480 576 640 694 720 960 1041 1152 1388 1440 1735 1920 2082 2776 2880 3123 3470 4164 5205 5552 5760 6246 6940 8328 10410 11104 12492 13880 15615 16656 20820 22208 24984 27760 31230 33312 41640 44416 49968 55520 62460 66624 83280 99936 111040 124920 133248 166560 199872 222080 249840 333120 399744 499680 666240 999360 1998720 10977895177 21955790354 32933685531 43911580708 54889475885 65867371062 87823161416 98801056593 109778951770 131734742124 164668427655 175646322832 197602113186 219557903540 263469484248 329336855310 351292645664 395204226372 439115807080 494005282965 526938968496 658673710620 702585291328 790408452744 878231614160 988010565930 1053877936992 1317347421240 1405170582656 1580816905488 1756463228320 1976021131860 2107755873984 2634694842480 3161633810976 3512926456640 3809329626419 3952042263720 4215511747968 5269389684960 6323267621952 7025852913280 7618659252838 7904084527440 10538779369920 11427988879257 12646535243904 15237318505676 15808169054880 19046648132095 21077558739840 22855977758514 30474637011352 31616338109760 34283966637771 38093296264190 45711955517028 57139944396285 60949274022704 63232676219520 68567933275542 76186592528380 91423911034056 114279888792570 121898548045408 137135866551084 152373185056760 171419833188855 182847822068112 228559777585140 243797096090816 274271733102168 304746370113520 342839666377710 365695644136224 457119555170280 487594192181632 548543466204336 609492740227040 685679332755420 731391288272448 914239110340560 1097086932408672 1218985480454080 1371358665510840 1462782576544896 1828478220681120 2194173864817344 2437970960908160 2742717331021680 3656956441362240 4388347729634688 5485434662043360 7313912882724480 10970869324086720 21941738648173440
• Sum of all divisors σ(n): 75985916611466160
• Sum of proper divisors (its aliquot sum) s(n): 54044177963292720
• 21941738648173440 is an abundant number, because the sum of its proper divisors (54044177963292720) is greater than itself. Its abundance is 32102439315119280

Bases of 21941738648173440

• Binary: 1001101111100111110010100100001111000001111101110000000₂
• Hexadecimal: 0x4DF3E521E0FB80
• Base-36: 601P3KW7VK0

Squares and roots of 21941738648173440

• 21941738648173440 squared (21941738648173440²) is 481439894904748018206248321433600
• 21941738648173440 cubed (21941738648173440³) is 10563628348804068805149725925762439594642243584000
• The square root of 21941738648173440 is 148127440.5644458571
• The cube root of 21941738648173440 is 279956.3650037657

Scales and comparisons

• 21,941,738,648,173,440 seconds is equal to 697,679,418 years, 39 weeks, 2 days, 22 hours, 24 minutes.
• To count from 1 to 21,941,738,648,173,440 would take you about two billion, ninety-three million, thirty-eight thousand, two hundred fifty-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 21941738648173440 cubic inches would be around 23329.7 feet tall.

Recreational maths with 21941738648173440

• 21941738648173440 backwards is 04437184683714912
• 21941738648173440 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21941738648173440's digits is 72
• More coming soon!