18572490972

Names of 18572490972

• Cardinal: 18572490972 can be written as Eighteen billion, five hundred seventy-two million, four hundred ninety thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.8572490972 × 10¹⁰

Factors of 18572490972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 642

Divisors of 18572490972

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 31 36 42 49 54 62 63 81 84 93 98 108 124 126 147 162 186 189 196 217 243 252 279 294 324 343 372 378 434 441 486 558 567 588 599 651 686 729 756 837 868 882 972 1029 1116 1134 1198 1302 1323 1372 1458 1519 1674 1701 1764 1797 1953 2058 2268 2396 2511 2604 2646 2916 3038 3087 3348 3402 3594 3906 3969 4116 4193 4557 5022 5103 5292 5391 5859 6076 6174 6804 7188 7533 7812 7938 8386 9114 9261 10044 10206 10633 10782 11718 11907 12348 12579 13671 15066 15876 16173 16772 17577 18228 18522 18569 20412 21266 21564 22599 23436 23814 25158 27342 27783 29351 30132 31899 32346 35154 35721 37044 37138 37737 41013 42532 45198 47628 48519 50316 52731 54684 55566 55707 58702 63798 64692 70308 71442 74276 75474 82026 83349 88053 90396 95697 97038 105462 111132 111414 113211 117404 123039 127596 129983 142884 145557 150948 158193 164052 166698 167121 176106 191394 194076 205457 210924 222828 226422 246078 250047 259966 264159 287091 291114 316386 333396 334242 339633 352212 369117 382788 389949 410914 436671 452844 492156 500094 501363 519932 528318 574182 582228 616371 632772 668484 679266 738234 779898 792477 821828 861273 873342 909881 1000188 1002726 1018899 1056636 1107351 1148364 1169847 1232742 1358532 1476468 1504089 1559796 1584954 1722546 1746684 1819762 1849113 2005452 2037798 2214702 2339694 2377431 2465484 2583819 2729643 3008178 3056697 3169908 3445092 3509541 3639524 3698226 4075596 4429404 4512267 4679388 4754862 5167638 5459286 5547339 6016356 6113394 6369167 7019082 7132293 7396452 7751457 8188929 9024534 9509724 10335276 10528623 10918572 11094678 12226788 12738334 13536801 14038164 14264586 15502914 16377858 16642017 18049068 19107501 21057246 21396879 22189356 24566787 25476668 27073602 28529172 31005828 31585869 32755716 33284034 38215002 42114492 42793758 49133574 49926051 54147204 57322503 63171738 66568068 73700361 76430004 85587516 94757607 98267148 99852102 114645006 126343476 147400722 149778153 171967509 189515214 199704204 221101083 229290012 294801444 299556306 343935018 379030428 442202166 515902527 599112612 663303249 687870036 884404332 1031805054 1326606498 1547707581 2063610108 2653212996 3095415162 4643122743 6190830324 9286245486 18572490972
• Sum of all divisors σ(n): 58759680000
• Sum of proper divisors (its aliquot sum) s(n): 40187189028
• 18572490972 is an abundant number, because the sum of its proper divisors (40187189028) is greater than itself. Its abundance is 21614698056

Bases of 18572490972

• Binary: 10001010011000000011011100011011100₂
• Hexadecimal: 0x45301B8DC
• Base-36: 8J5KXR0

Squares and roots of 18572490972

• 18572490972 squared (18572490972²) is 344937420905021504784
• 18572490972 cubed (18572490972³) is 6406347135663475967066694810048
• The square root of 18572490972 is 136280.9266625377
• The cube root of 18572490972 is 2648.2362048297

Scales and comparisons

• 18,572,490,972 seconds is equal to 590 years, 28 weeks, 3 days, 9 hours, 16 minutes, 12 seconds.
• To count from 1 to 18,572,490,972 would take you about one thousand, one hundred eighty-one 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 18572490972 cubic inches would be around 220.7 feet tall.

Recreational maths with 18572490972

• 18572490972 backwards is 27909427581
• 18572490972 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18572490972's digits is 54
• More coming soon!