18821332992

Names of 18821332992

• Cardinal: 18821332992 can be written as Eighteen billion, eight hundred twenty-one million, three hundred thirty-two thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.8821332992 × 10¹⁰

Factors of 18821332992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 4996

Divisors of 18821332992

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 64 66 77 84 88 96 112 128 132 154 168 176 192 224 231 256 264 308 336 352 384 448 462 512 528 616 672 704 768 896 924 1024 1056 1232 1344 1408 1536 1792 1848 2048 2112 2464 2688 2816 3072 3584 3696 4096 4224 4928 4973 5376 5632 6144 7168 7392 8192 8448 9856 9946 10752 11264 12288 14336 14784 14919 16384 16896 19712 19892 21504 22528 24576 28672 29568 29838 33792 34811 39424 39784 43008 45056 49152 54703 57344 59136 59676 67584 69622 78848 79568 86016 90112 104433 109406 114688 118272 119352 135168 139244 157696 159136 164109 172032 180224 208866 218812 236544 238704 270336 278488 315392 318272 328218 344064 382921 417732 437624 473088 477408 540672 556976 630784 636544 656436 765842 835464 875248 946176 954816 1113952 1148763 1261568 1273088 1312872 1531684 1670928 1750496 1892352 1909632 2227904 2297526 2546176 2625744 3063368 3341856 3500992 3784704 3819264 4455808 4595052 5092352 5251488 6126736 6683712 7001984 7638528 8911616 9190104 10184704 10502976 12253472 13367424 14003968 15277056 17823232 18380208 20369408 21005952 24506944 26734848 28007936 30554112 35646464 36760416 40738816 42011904 49013888 53469696 56015872 61108224 71292928 73520832 81477632 84023808 98027776 106939392 112031744 122216448 142585856 147041664 168047616 196055552 213878784 224063488 244432896 285171712 294083328 336095232 392111104 427757568 448126976 570343424 588166656 672190464 784222208 855515136 896253952 1176333312 1344380928 1568444416 1711030272 2352666624 2688761856 3136888832 4705333248 6273777664 9410666496 18821332992
• Sum of all divisors σ(n): 62585494272
• Sum of proper divisors (its aliquot sum) s(n): 43764161280
• 18821332992 is an abundant number, because the sum of its proper divisors (43764161280) is greater than itself. Its abundance is 24942828288

Bases of 18821332992

• Binary: 10001100001110101101100000000000000₂
• Hexadecimal: 0x461D6C000
• Base-36: 8N9QHHC

Squares and roots of 18821332992

• 18821332992 squared (18821332992²) is 354242575595747672064
• 18821332992 cubed (18821332992³) is 6667317475231299715125359935488
• The square root of 18821332992 is 137190.8633692491
• The cube root of 18821332992 is 2660.0111647071

Scales and comparisons

• 18,821,332,992 seconds is equal to 598 years, 23 weeks, 6 days, 12 hours, 3 minutes, 12 seconds.
• To count from 1 to 18,821,332,992 would take you about one thousand, one hundred ninety-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 18821332992 cubic inches would be around 221.7 feet tall.

Recreational maths with 18821332992

• 18821332992 backwards is 29923312881
• 18821332992 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18821332992's digits is 48
• More coming soon!