1531312380

Names of 1531312380

• Cardinal: 1531312380 can be written as One billion, five hundred thirty-one million, three hundred twelve thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.53131238 × 10⁹

Factors of 1531312380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 803

Divisors of 1531312380

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 71 78 90 117 130 142 156 169 180 195 213 234 260 284 338 355 390 426 468 507 585 639 676 709 710 780 845 852 923 1014 1065 1170 1278 1418 1420 1521 1690 1846 2028 2127 2130 2340 2535 2556 2769 2836 3042 3195 3380 3545 3692 4254 4260 4615 5070 5538 6084 6381 6390 7090 7605 8307 8508 9217 9230 10140 10635 11076 11999 12762 12780 13845 14180 15210 16614 18434 18460 21270 23998 25524 27651 27690 30420 31905 33228 35997 36868 41535 42540 46085 47996 50339 55302 55380 59995 63810 71994 82953 83070 92170 100678 107991 110604 119821 119990 127620 138255 143988 151017 165906 166140 179985 184340 201356 215982 239642 239980 251695 276510 302034 331812 359463 359970 414765 431964 453051 479284 503390 539955 553020 599105 604068 654407 718926 719940 755085 829530 906102 1006780 1078389 1079910 1198210 1308814 1437852 1510170 1659060 1797315 1812204 1963221 2156778 2159820 2265255 2396420 2617628 3020340 3272035 3594630 3926442 4313556 4530510 5391945 5889663 6544070 7189260 7852884 8507291 9061020 9816105 10783890 11779326 13088140 17014582 19632210 21567780 23558652 25521873 29448315 34029164 39264420 42536455 51043746 58896630 76565619 85072910 102087492 117793260 127609365 153131238 170145820 255218730 306262476 382828095 510437460 765656190 1531312380
• Sum of all divisors σ(n): 5107808160
• Sum of proper divisors (its aliquot sum) s(n): 3576495780
• 1531312380 is an abundant number, because the sum of its proper divisors (3576495780) is greater than itself. Its abundance is 2045183400

Bases of 1531312380

• Binary: 1011011010001011111100011111100₂
• Hexadecimal: 0x5B45F8FC
• Base-36: PBPC70

Squares and roots of 1531312380

• 1531312380 squared (1531312380²) is 2344917605141264400
• 1531312380 cubed (1531312380³) is 3590801358832769824573272000
• The square root of 1531312380 is 39131.9866605313
• The cube root of 1531312380 is 1152.6247244491

Scales and comparisons

• 1,531,312,380 seconds is equal to 48 years, 35 weeks, 6 days, 12 hours, 33 minutes.
• To count from 1 to 1,531,312,380 would take you about ninety-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 1531312380 cubic inches would be around 96.1 feet tall.

Recreational maths with 1531312380

• 1531312380 backwards is 0832131351
• The number of decimal digits it has is: 10
• The sum of 1531312380's digits is 27
• More coming soon!