3129085140

Names of 3129085140

• Cardinal: 3129085140 can be written as Three billion, one hundred twenty-nine million, eighty-five thousand, one hundred forty.

Scientific notation

• Scientific notation: 3.12908514 × 10⁹

Factors of 3129085140

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 544

Divisors of 3129085140

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 73 89 92 115 138 146 178 219 230 267 276 292 345 349 356 365 438 445 460 534 690 698 730 876 890 1047 1068 1095 1335 1380 1396 1460 1679 1745 1780 2047 2094 2190 2670 3358 3490 4094 4188 4380 5037 5235 5340 6141 6497 6716 6980 8027 8188 8395 10074 10235 10470 12282 12994 16054 16790 19491 20148 20470 20940 24081 24564 25185 25477 25988 30705 31061 32108 32485 33580 38982 40135 40940 48162 50370 50954 61410 62122 64970 76431 77964 80270 93183 96324 97455 100740 101908 120405 122820 124244 127385 129940 149431 152862 155305 160540 186366 194910 240810 254770 298862 305724 310610 372732 382155 389820 448293 465915 481620 509540 585971 597724 621220 714403 747155 764310 896586 931830 1171942 1428806 1494310 1528620 1757913 1793172 1863660 2143209 2241465 2267453 2343884 2857612 2929855 2988620 3515826 3572015 4286418 4482930 4534906 5859710 6802359 7031652 7144030 8572836 8789565 8965860 9069812 10716045 11337265 11719420 13604718 14288060 17579130 21432090 22674530 27209436 34011795 35158260 42864180 45349060 52151419 68023590 104302838 136047180 156454257 208605676 260757095 312908514 521514190 625817028 782271285 1043028380 1564542570 3129085140
• Sum of all divisors σ(n): 9398592000
• Sum of proper divisors (its aliquot sum) s(n): 6269506860
• 3129085140 is an abundant number, because the sum of its proper divisors (6269506860) is greater than itself. Its abundance is 3140421720

Bases of 3129085140

• Binary: 10111010100000100000110011010100₂
• Hexadecimal: 0xBA820CD4
• Base-36: 1FQZ5JO

Squares and roots of 3129085140

• 3129085140 squared (3129085140²) is 9791173813368819600
• 3129085140 cubed (3129085140³) is 30637416482569506749700744000
• The square root of 3129085140 is 55938.2261070191
• The cube root of 3129085140 is 1462.6456595373

Scales and comparisons

• 3,129,085,140 seconds is equal to 99 years, 25 weeks, 5 days, 6 hours, 19 minutes.
• To count from 1 to 3,129,085,140 would take you about one hundred ninety-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 3129085140 cubic inches would be around 121.9 feet tall.

Recreational maths with 3129085140

• 3129085140 backwards is 0415809213
• The number of decimal digits it has is: 10
• The sum of 3129085140's digits is 33
• More coming soon!