16387970440

Names of 16387970440

• Cardinal: 16387970440 can be written as Sixteen billion, three hundred eighty-seven million, nine hundred seventy thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.638797044 × 10¹⁰

Factors of 16387970440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 892

Divisors of 16387970440

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 19 20 37 38 40 74 76 95 148 152 185 190 296 361 370 380 703 722 740 760 829 1369 1406 1444 1480 1658 1805 2738 2812 2888 3316 3515 3610 4145 5476 5624 6632 6845 7030 7220 8290 10952 13357 13690 14060 14440 15751 16580 26011 26714 27380 28120 30673 31502 33160 52022 53428 54760 61346 63004 66785 78755 104044 106856 122692 126008 130055 133570 153365 157510 208088 245384 260110 267140 299269 306730 315020 494209 520220 534280 582787 598538 613460 630040 988418 1040440 1134901 1165574 1197076 1226920 1496345 1976836 2269802 2331148 2394152 2471045 2913935 2992690 3953672 4539604 4662296 4942090 5674505 5827870 5985380 9079208 9884180 11072953 11349010 11655740 11970760 19768360 21563119 22145906 22698020 23311480 43126238 44291812 45396040 55364765 86252476 88583624 107815595 110729530 172504952 215631190 221459060 409699261 431262380 442918120 819398522 862524760 1638797044 2048496305 3277594088 4096992610 8193985220 16387970440
• Sum of all divisors σ(n): 40044204900
• Sum of proper divisors (its aliquot sum) s(n): 23656234460
• 16387970440 is an abundant number, because the sum of its proper divisors (23656234460) is greater than itself. Its abundance is 7268264020

Bases of 16387970440

• Binary: 1111010000110011001001010110001000₂
• Hexadecimal: 0x3D0CC9588
• Base-36: 7J0Z2X4

Squares and roots of 16387970440

• 16387970440 squared (16387970440²) is 268565575142313793600
• 16387970440 cubed (16387970440³) is 4401244706633837242721061184000
• The square root of 16387970440 is 128015.5085917327
• The cube root of 16387970440 is 2540.0468319635

Scales and comparisons

• 16,387,970,440 seconds is equal to 521 years, 4 weeks, 3 days, 14 hours, 40 seconds.
• To count from 1 to 16,387,970,440 would take you about one thousand and forty-two 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 16387970440 cubic inches would be around 211.7 feet tall.

Recreational maths with 16387970440

• 16387970440 backwards is 04407978361
• The number of decimal digits it has is: 11
• The sum of 16387970440's digits is 49
• More coming soon!