398159345445018

Names of 398159345445018

• Cardinal: 398159345445018 can be written as Three hundred ninety-eight trillion, one hundred fifty-nine billion, three hundred forty-five million, four hundred forty-five thousand and eighteen.

Scientific notation

• Scientific notation: 3.98159345445018 × 10¹⁴

Factors of 398159345445018

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 188832

Divisors of 398159345445018

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 17 19 34 38 51 57 102 114 157 314 323 471 646 942 969 1938 2669 2983 5338 5966 7213 8007 8949 14426 16014 17898 21639 43278 50711 101422 122621 137047 152133 181421 245242 274094 304266 362842 367863 411141 544263 735726 822282 1088526 1132441 2264882 2329799 3084157 3397323 3446999 4659598 6168314 6794646 6893998 6989397 9252471 10340997 13978794 18504942 19251497 20681994 21516379 28483097 38502994 43032758 56966194 57754491 58598983 64549137 85449291 115508982 117197966 129098274 170898582 175796949 351593898 365778443 484212649 541178843 731556886 968425298 1082357686 1097335329 1308589673 1452637947 1623536529 2194670658 2617179346 2905275894 3247073058 3925769019 7851538038 9200040331 18400080662 22246024441 24863203787 27600120993 44492048882 49726407574 55200241986 66738073323 74589611361 133476146646 149179222722 205448578661 410897157322 422674464379 616345735983 845348928758 1232691471966 1268023393137 2536046786274 3492625837237 3903522994559 6985251674474 7807045989118 10477877511711 11710568983677 20955755023422 23421137967354 66359890907503 132719781815006 199079672722509 398159345445018
• Sum of all divisors σ(n): 893319721908480
• Sum of proper divisors (its aliquot sum) s(n): 495160376463462
• 398159345445018 is an abundant number, because the sum of its proper divisors (495160376463462) is greater than itself. Its abundance is 97001031018444

Bases of 398159345445018

• Binary: 1011010100001111110110010010110010110100010011010₂
• Hexadecimal: 0x16A1FB259689A
• Base-36: 3X4VVM3WD6

Squares and roots of 398159345445018

• 398159345445018 squared (398159345445018²) is 158530864365205175984461020324
• 398159345445018 cubed (398159345445018³) is 63120545188483021858657607036488402122545832
• The square root of 398159345445018 is 19953930.5763305191
• The cube root of 398159345445018 is 73567.4390176717

Scales and comparisons

• 398,159,345,445,018 seconds is equal to 12,660,235 years, 31 weeks, 11 hours, 10 minutes, 18 seconds.
• To count from 1 to 398,159,345,445,018 would take you about thirty-one million, six hundred fifty thousand, five hundred eighty-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 398159345445018 cubic inches would be around 6130.6 feet tall.

Recreational maths with 398159345445018

• 398159345445018 backwards is 810544543951893
• The number of decimal digits it has is: 15
• The sum of 398159345445018's digits is 69
• More coming soon!