1390102155

Names of 1390102155

• Cardinal: 1390102155 can be written as One billion, three hundred ninety million, one hundred two thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 1.390102155 × 10⁹

Factors of 1390102155

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 236

Divisors of 1390102155

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 9 13 15 17 27 31 39 45 51 65 81 85 93 117 135 153 155 167 195 221 243 255 279 351 403 405 459 465 501 527 585 663 765 835 837 1053 1105 1209 1215 1377 1395 1503 1581 1755 1989 2015 2171 2295 2505 2511 2635 2839 3159 3315 3627 4131 4185 4509 4743 5177 5265 5967 6045 6513 6851 6885 7515 7533 7905 8517 9945 10855 10881 12555 13527 14195 14229 15531 15795 17901 18135 19539 20553 20655 22545 23715 25551 25885 29835 32565 32643 34255 36907 37665 40581 42585 42687 46593 53703 54405 58617 61659 67301 67635 71145 76653 77655 88009 89505 97695 97929 102765 110721 127755 128061 139779 163215 175851 184535 184977 201903 202905 213435 229959 232965 264027 268515 293085 308295 332163 336505 383265 419337 440045 489645 527553 553605 554931 605709 640305 689877 698895 792081 879255 924885 996489 1009515 1144117 1149795 1258011 1320135 1660815 1664793 1817127 2096685 2376243 2637765 2774655 2989467 3028545 3432351 3449385 3960405 4982445 5451381 5720585 6290055 7128729 8323965 8968401 9085635 10297053 11881215 14947335 16354143 17161755 21386187 27256905 30891159 35643645 44842005 51485265 81770715 92673477 106930935 154455795 278020431 463367385 1390102155
• Sum of all divisors σ(n): 2958778368
• Sum of proper divisors (its aliquot sum) s(n): 1568676213
• 1390102155 is an abundant number, because the sum of its proper divisors (1568676213) is greater than itself. Its abundance is 178574058

Bases of 1390102155

• Binary: 1010010110110110100011010001011₂
• Hexadecimal: 0x52DB468B
• Base-36: MZMPOR

Squares and roots of 1390102155

• 1390102155 squared (1390102155²) is 1932384001335644025
• 1390102155 cubed (1390102155³) is 2686211164544201637465373875
• The square root of 1390102155 is 37284.0737446969
• The cube root of 1390102155 is 1116.0463690411

Scales and comparisons

• 1,390,102,155 seconds is equal to 44 years, 10 weeks, 3 days, 3 hours, 29 minutes, 15 seconds.
• To count from 1 to 1,390,102,155 would take you about 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 1390102155 cubic inches would be around 93 feet tall.

Recreational maths with 1390102155

• 1390102155 backwards is 5512010931
• 1390102155 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1390102155's digits is 27
• More coming soon!