18438680106

Names of 18438680106

• Cardinal: 18438680106 can be written as Eighteen billion, four hundred thirty-eight million, six hundred eighty thousand, one hundred six.

Scientific notation

• Scientific notation: 1.8438680106 × 10¹⁰

Factors of 18438680106

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 102

Divisors of 18438680106

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 27 33 42 49 54 63 66 77 79 81 98 99 121 126 147 154 158 162 189 198 231 237 242 243 294 297 363 378 441 462 474 486 539 553 567 594 693 711 726 729 847 869 882 891 1078 1089 1106 1134 1323 1386 1422 1458 1617 1659 1694 1701 1738 1782 2079 2133 2178 2187 2541 2607 2646 2673 3234 3267 3318 3402 3871 3969 4158 4266 4374 4851 4977 5082 5103 5214 5346 5929 6083 6237 6399 6534 6561 7623 7742 7821 7938 8019 9559 9702 9801 9954 10206 11613 11858 11907 12166 12474 12798 13122 14553 14931 15246 15309 15642 16038 17787 18249 18711 19118 19197 19602 19683 22869 23226 23463 23814 24057 28677 29106 29403 29862 30618 34839 35574 35721 36498 37422 38394 39366 42581 43659 44793 45738 45927 46926 48114 53361 54747 56133 57354 57591 58806 66913 68607 69678 70389 71442 72171 85162 86031 87318 88209 89586 91854 104517 106722 107163 109494 112266 115182 127743 130977 133826 134379 137214 137781 140778 144342 160083 164241 168399 172062 172773 176418 200739 205821 209034 211167 214326 216513 255486 258093 261954 264627 268758 275562 313551 320166 321489 328482 336798 345546 383229 392931 401478 403137 411642 422334 433026 468391 480249 492723 505197 516186 518319 529254 602217 617463 627102 633501 642978 766458 774279 785862 793881 806274 936782 940653 960498 964467 985446 1010394 1036638 1149687 1178793 1204434 1209411 1234926 1267002 1405173 1440747 1478169 1515591 1548558 1554957 1587762 1806651 1852389 1881306 1900503 1928934 2299374 2322837 2357586 2381643 2418822 2810346 2821959 2881494 2956338 3031182 3109914 3449061 3536379 3613302 3628233 3704778 3801006 4215519 4322241 4434507 4645674 4763286 5419953 5557167 5643918 5701509 6898122 6968511 7072758 7256466 8431038 8465877 8644482 8869014 10347183 10609137 10839906 10884699 11114334 11403018 12646557 12966723 13303521 13937022 16259859 16671501 16931754 17104527 20694366 20905533 21218274 21769398 25293114 25397631 25933446 26607042 31041549 32519718 33343002 34209054 37939671 38900169 39910563 41811066 48779577 50795262 62083098 62716599 75879342 76192893 77800338 79821126 93124647 97559154 113819013 116700507 119731689 125433198 146338731 152385786 186249294 188149797 227638026 233401014 239463378 279373941 292677462 341457039 376299594 439016193 558747882 682914078 838121823 878032386 1024371117 1317048579 1676243646 2048742234 2634097158 3073113351 6146226702 9219340053 18438680106
• Sum of all divisors σ(n): 53717146560
• Sum of proper divisors (its aliquot sum) s(n): 35278466454
• 18438680106 is an abundant number, because the sum of its proper divisors (35278466454) is greater than itself. Its abundance is 16839786348

Bases of 18438680106

• Binary: 10001001011000001111110111000101010₂
• Hexadecimal: 0x44B07EE2A
• Base-36: 8GXWWMI

Squares and roots of 18438680106

• 18438680106 squared (18438680106²) is 339984924051400171236
• 18438680106 cubed (18438680106³) is 6268873255446473258814226631016
• The square root of 18438680106 is 135789.1015729911
• The cube root of 18438680106 is 2641.8608755033

Scales and comparisons

• 18,438,680,106 seconds is equal to 586 years, 15 weeks, 1 day, 15 hours, 35 minutes, 6 seconds.
• To count from 1 to 18,438,680,106 would take you about one thousand, one hundred seventy-two 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 18438680106 cubic inches would be around 220.2 feet tall.

Recreational maths with 18438680106

• 18438680106 backwards is 60108683481
• The number of decimal digits it has is: 11
• The sum of 18438680106's digits is 45
• More coming soon!