1225171980

Names of 1225171980

• Cardinal: 1225171980 can be written as One billion, two hundred twenty-five million, one hundred seventy-one thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.22517198 × 10⁹

Factors of 1225171980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4970

Divisors of 1225171980

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 45 51 54 60 68 81 85 90 102 108 135 153 162 170 180 204 243 255 270 306 324 340 405 459 486 510 540 612 729 765 810 918 972 1020 1215 1377 1458 1530 1620 1836 2295 2430 2754 2916 3060 3645 4131 4590 4860 4943 5508 6885 7290 8262 9180 9886 12393 13770 14580 14829 16524 19772 20655 24715 24786 27540 29658 41310 44487 49430 49572 59316 61965 74145 82620 84031 88974 98860 123930 133461 148290 168062 177948 222435 247860 252093 266922 296580 336124 400383 420155 444870 504186 533844 667305 756279 800766 840310 889740 1008372 1201149 1260465 1334610 1512558 1601532 1680620 2001915 2268837 2402298 2520930 2669220 3025116 3603447 3781395 4003830 4537674 4804596 5041860 6005745 6806511 7206894 7562790 8007660 9075348 11344185 12011490 13613022 14413788 15125580 18017235 20419533 22688370 24022980 27226044 34032555 36034470 40839066 45376740 61258599 68065110 72068940 81678132 102097665 122517198 136130220 204195330 245034396 306292995 408390660 612585990 1225171980
• Sum of all divisors σ(n): 4085266752
• Sum of proper divisors (its aliquot sum) s(n): 2860094772
• 1225171980 is an abundant number, because the sum of its proper divisors (2860094772) is greater than itself. Its abundance is 1634922792

Bases of 1225171980

• Binary: 1001001000001101010010000001100₂
• Hexadecimal: 0x4906A40C
• Base-36: K9FOR0

Squares and roots of 1225171980

• 1225171980 squared (1225171980²) is 1501046380577120400
• 1225171980 cubed (1225171980³) is 1839039966163504143166392000
• The square root of 1225171980 is 35002.4567709183
• The cube root of 1225171980 is 1070.0375507245

Scales and comparisons

• 1,225,171,980 seconds is equal to 38 years, 49 weeks, 5 days, 5 hours, 33 minutes.
• To count from 1 to 1,225,171,980 would take you about seventy-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 1225171980 cubic inches would be around 89.2 feet tall.

Recreational maths with 1225171980

• 1225171980 backwards is 0891715221
• 1225171980 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1225171980's digits is 36
• More coming soon!