1378189890

Names of 1378189890

• Cardinal: 1378189890 can be written as One billion, three hundred seventy-eight million, one hundred eighty-nine thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.37818989 × 10⁹

Factors of 1378189890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1210

Divisors of 1378189890

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 19 21 22 27 30 33 35 38 42 45 54 55 57 63 66 70 77 81 90 95 99 105 110 114 126 133 135 154 162 165 171 189 190 198 209 210 231 266 270 285 297 315 330 342 378 385 399 405 418 462 495 513 567 570 594 627 630 665 693 770 798 810 855 891 945 990 1026 1045 1134 1155 1163 1197 1254 1330 1386 1463 1485 1539 1710 1782 1881 1890 1995 2079 2090 2310 2326 2394 2565 2835 2926 2970 3078 3135 3465 3489 3591 3762 3990 4158 4389 4455 5130 5643 5670 5815 5985 6237 6270 6930 6978 7182 7315 7695 8141 8778 8910 9405 10395 10467 10773 11286 11630 11970 12474 12793 13167 14630 15390 16282 16929 17445 17955 18810 20790 20934 21546 21945 22097 24423 25586 26334 28215 31185 31401 33858 34890 35910 38379 39501 40705 43890 44194 48846 52335 53865 56430 62370 62802 63965 65835 66291 73269 76758 79002 81410 84645 89551 94203 104670 107730 110485 115137 118503 122115 127930 131670 132582 146538 154679 157005 169290 179102 188406 191895 197505 198873 219807 220970 230274 237006 243067 244230 268653 309358 314010 331455 345411 366345 383790 395010 397746 439614 447755 464037 471015 486134 537306 575685 592515 596619 659421 662910 690822 729201 732690 773395 805959 895510 928074 942030 994365 1036233 1099035 1151370 1185030 1193238 1215335 1318842 1343265 1392111 1458402 1546790 1611918 1701469 1727055 1789857 1988730 2072466 2187603 2198070 2320185 2417877 2430670 2686530 2784222 2983095 3297105 3402938 3454110 3579714 3646005 4029795 4176333 4375206 4640370 4835754 5104407 5181165 5966190 6562809 6594210 6960555 7253631 7292010 8059590 8352666 8507345 8949285 10208814 10362330 10938015 12089385 12528999 13125618 13921110 14507262 15313221 17014690 17898570 19688427 20881665 21876030 24178770 25057998 25522035 30626442 32814045 36268155 39376854 41763330 45939663 51044070 62644995 65628090 72536310 76566105 91879326 98442135 125289990 137818989 153132210 196884270 229698315 275637978 459396630 689094945 1378189890
• Sum of all divisors σ(n): 4867568640
• Sum of proper divisors (its aliquot sum) s(n): 3489378750
• 1378189890 is an abundant number, because the sum of its proper divisors (3489378750) is greater than itself. Its abundance is 2111188860

Bases of 1378189890

• Binary: 1010010001001011000001001000010₂
• Hexadecimal: 0x52258242
• Base-36: MSJE4I

Squares and roots of 1378189890

• 1378189890 squared (1378189890²) is 1899407372898212100
• 1378189890 cubed (1378189890³) is 2617744038319775915295669000
• The square root of 1378189890 is 37123.9799859875
• The cube root of 1378189890 is 1112.8492904821

Scales and comparisons

• 1,378,189,890 seconds is equal to 43 years, 42 weeks, 5 days, 6 hours, 31 minutes, 30 seconds.
• To count from 1 to 1,378,189,890 would take you about eighty-seven 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 1378189890 cubic inches would be around 92.7 feet tall.

Recreational maths with 1378189890

• 1378189890 backwards is 0989818731
• 1378189890 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1378189890's digits is 54
• More coming soon!