19940649984

Names of 19940649984

• Cardinal: 19940649984 can be written as Nineteen billion, nine hundred forty million, six hundred forty-nine thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.9940649984 × 10¹⁰

Factors of 19940649984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 763

Divisors of 19940649984

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 127 128 144 162 192 216 243 254 256 288 324 381 384 432 486 508 512 576 631 648 762 768 864 972 1016 1024 1143 1152 1262 1296 1524 1536 1728 1893 1944 2032 2286 2304 2524 2592 3048 3072 3429 3456 3786 3888 4064 4572 4608 5048 5184 5679 6096 6858 6912 7572 7776 8128 9144 9216 10096 10287 10368 11358 12192 13716 13824 15144 15552 16256 17037 18288 20192 20574 20736 22716 24384 27432 27648 30288 30861 31104 32512 34074 36576 40384 41148 41472 45432 48768 51111 54864 60576 61722 62208 65024 68148 73152 80137 80768 82296 82944 90864 97536 102222 109728 121152 123444 124416 130048 136296 146304 153333 160274 161536 164592 181728 195072 204444 219456 240411 242304 246888 248832 272592 292608 306666 320548 323072 329184 363456 390144 408888 438912 480822 484608 493776 545184 585216 613332 641096 646144 658368 721233 726912 817776 877824 961644 969216 987552 1090368 1170432 1226664 1282192 1316736 1442466 1453824 1635552 1755648 1923288 1938432 1975104 2163699 2180736 2453328 2564384 2633472 2884932 2907648 3271104 3511296 3846576 3950208 4327398 4361472 4906656 5128768 5266944 5769864 5815296 6491097 6542208 7693152 7900416 8654796 8722944 9813312 10257536 10533888 11539728 12982194 13084416 15386304 15800832 17309592 17445888 19473291 19626624 20515072 23079456 25964388 26168832 30772608 31601664 34619184 38946582 39253248 41030144 46158912 51928776 52337664 61545216 69238368 77893164 78506496 82060288 92317824 103857552 123090432 138476736 155786328 157012992 184635648 207715104 246180864 276953472 311572656 369271296 415430208 553906944 623145312 738542592 830860416 1107813888 1246290624 1661720832 2215627776 2492581248 3323441664 4985162496 6646883328 9970324992 19940649984
• Sum of all divisors σ(n): 60276256768
• Sum of proper divisors (its aliquot sum) s(n): 40335606784
• 19940649984 is an abundant number, because the sum of its proper divisors (40335606784) is greater than itself. Its abundance is 20394956800

Bases of 19940649984

• Binary: 10010100100100011100010110000000000₂
• Hexadecimal: 0x4A48E2C00
• Base-36: 95S5C00

Squares and roots of 19940649984

• 19940649984 squared (19940649984²) is 397629521784399200256
• 19940649984 cubed (19940649984³) is 7928991117208007564034419195904
• The square root of 19940649984 is 141211.3663413821
• The cube root of 19940649984 is 2711.7299441329

Scales and comparisons

• 19,940,649,984 seconds is equal to 634 years, 2 weeks, 4 days, 13 hours, 26 minutes, 24 seconds.
• To count from 1 to 19,940,649,984 would take you about one thousand, two hundred sixty-eight 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 19940649984 cubic inches would be around 226 feet tall.

Recreational maths with 19940649984

• 19940649984 backwards is 48994604991
• The number of decimal digits it has is: 11
• The sum of 19940649984's digits is 63
• More coming soon!