20813307372

Names of 20813307372

• Cardinal: 20813307372 can be written as Twenty billion, eight hundred thirteen million, three hundred seven thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 2.0813307372 × 10¹⁰

Factors of 20813307372

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 440

Divisors of 20813307372

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 9 11 12 13 18 22 26 27 31 33 36 39 43 44 52 54 62 66 78 81 86 93 99 108 117 124 129 132 143 156 162 172 186 198 234 258 279 286 297 324 337 341 351 372 387 396 403 429 468 473 516 558 559 572 594 674 682 702 774 806 837 858 891 946 1011 1023 1053 1116 1118 1161 1188 1209 1287 1333 1348 1364 1404 1419 1548 1612 1674 1677 1716 1782 1892 2022 2046 2106 2236 2322 2418 2511 2574 2666 2838 3033 3069 3348 3354 3483 3564 3627 3707 3861 3999 4044 4092 4212 4257 4381 4433 4644 4836 5022 5031 5148 5332 5676 6066 6138 6149 6708 6966 7254 7414 7722 7998 8514 8762 8866 9099 9207 10044 10062 10447 10881 11121 11583 11997 12132 12276 12298 12771 13143 13299 13932 14491 14508 14663 14828 15093 15444 15996 17028 17329 17524 17732 18198 18414 18447 20124 20894 21762 22242 23166 23994 24596 25542 26286 26598 27297 27621 28982 29326 30186 31341 32643 33363 34658 35991 36396 36828 36894 38313 39429 39897 41788 43473 43524 43989 44484 45279 46332 47988 48191 51084 51987 52572 53196 54594 55242 55341 57964 58652 60372 62682 65286 66726 69316 71982 73788 76626 78858 79794 86946 87978 90558 94023 96382 100089 103974 107973 109188 110484 110682 114917 118287 119691 125364 130419 130572 131967 133452 135811 143964 144573 153252 155961 157716 159401 159588 166023 173892 175956 181116 188046 188383 190619 192764 200178 207948 215946 221364 229834 236574 239382 260838 263934 271622 282069 289146 300267 311922 318802 332046 344751 354861 359073 376092 376766 381238 391257 395901 400356 407433 431892 433719 449221 459668 467883 473148 478203 478764 498069 521676 527868 543244 564138 565149 571857 578292 600534 623844 637604 664092 689502 709722 718146 753532 762476 782514 791802 814866 846207 867438 898442 935766 956406 996138 1034253 1128276 1130298 1143714 1173771 1187703 1201068 1222299 1301157 1347663 1379004 1403649 1419444 1434609 1436292 1493921 1565028 1583604 1629732 1692414 1695447 1715571 1734876 1796884 1871532 1912812 1992276 2068506 2072213 2260596 2287428 2347542 2375406 2444598 2602314 2695326 2807298 2869218 2987842 3102759 3384828 3390894 3431142 3666897 3903471 4042989 4137012 4144426 4303827 4481763 4695084 4750812 4889196 4941431 5086341 5146713 5204628 5390652 5614596 5738436 5839873 5975684 6205518 6216639 6781788 6862284 7333794 7806942 8085978 8288852 8607654 8963526 9308277 9882862 10172682 10293426 11000691 11679746 12128967 12411036 12433278 12911481 13445289 14667588 14824293 15259023 15440139 15613884 16171956 17215308 17519619 17927052 18616554 18649917 19765724 20345364 20586852 22001382 23359492 24257934 24866556 25822962 26890578 29648586 30518046 30880278 35039238 36386901 37233108 37299834 40335867 44002764 44472879 48515868 51645924 52558857 53781156 55949751 59297172 61036092 61760556 64238603 70078476 72773802 74599668 80671734 88945758 105117714 111899502 121007601 128477206 133418637 145547604 157676571 161343468 167849253 177891516 192715809 210235428 223799004 242015202 256954412 266837274 315353142 335698506 385431618 400255911 473029713 484030404 533674548 578147427 630706284 671397012 770863236 800511822 946059426 1156294854 1601023644 1734442281 1892118852 2312589708 3468884562 5203326843 6937769124 10406653686 20813307372
• Sum of all divisors σ(n): 67719235584
• Sum of proper divisors (its aliquot sum) s(n): 46905928212
• 20813307372 is an abundant number, because the sum of its proper divisors (46905928212) is greater than itself. Its abundance is 26092620840

Bases of 20813307372

• Binary: 10011011000100100011101110111101100₂
• Hexadecimal: 0x4D891DDEC
• Base-36: 9K7PER0

Squares and roots of 20813307372

• 20813307372 squared (20813307372²) is 433193763761349546384
• 20813307372 cubed (20813307372³) is 9016194956798522962422963142848
• The square root of 20813307372 is 144268.1786535063
• The cube root of 20813307372 is 2750.7241011993

Scales and comparisons

• 20,813,307,372 seconds is equal to 661 years, 41 weeks, 3 days, 18 hours, 16 minutes, 12 seconds.
• To count from 1 to 20,813,307,372 would take you about one thousand, three hundred twenty-three 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 20813307372 cubic inches would be around 229.2 feet tall.

Recreational maths with 20813307372

• 20813307372 backwards is 27370331802
• 20813307372 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20813307372's digits is 36
• More coming soon!