1142979840

Names of 1142979840

• Cardinal: 1142979840 can be written as One billion, one hundred forty-two million, nine hundred seventy-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.14297984 × 10⁹

Factors of 1142979840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2168

Divisors of 1142979840

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 47 48 60 64 72 80 90 94 96 120 128 141 144 160 180 188 192 235 240 256 282 288 320 360 376 384 423 470 480 564 576 640 705 720 752 768 846 940 960 1128 1152 1280 1410 1440 1504 1692 1880 1920 2111 2115 2256 2304 2820 2880 3008 3384 3760 3840 4222 4230 4512 5640 5760 6016 6333 6768 7520 8444 8460 9024 10555 11280 11520 12032 12666 13536 15040 16888 16920 18048 18999 21110 22560 25332 27072 30080 31665 33776 33840 36096 37998 42220 45120 50664 54144 60160 63330 67552 67680 75996 84440 90240 94995 99217 101328 108288 126660 135104 135360 151992 168880 180480 189990 198434 202656 253320 270208 270720 297651 303984 337760 379980 396868 405312 496085 506640 540416 541440 595302 607968 675520 759960 793736 810624 892953 992170 1013280 1190604 1215936 1351040 1488255 1519920 1587472 1621248 1785906 1984340 2026560 2381208 2431872 2702080 2976510 3039840 3174944 3571812 3968680 4053120 4464765 4762416 4863744 5953020 6079680 6349888 7143624 7937360 8106240 8929530 9524832 11906040 12159360 12699776 14287248 15874720 17859060 19049664 23812080 24318720 25399552 28574496 31749440 35718120 38099328 47624160 57148992 63498880 71436240 76198656 95248320 114297984 126997760 142872480 190496640 228595968 285744960 380993280 571489920 1142979840
• Sum of all divisors σ(n): 4040644608
• Sum of proper divisors (its aliquot sum) s(n): 2897664768
• 1142979840 is an abundant number, because the sum of its proper divisors (2897664768) is greater than itself. Its abundance is 1754684928

Bases of 1142979840

• Binary: 1000100001000000111110100000000₂
• Hexadecimal: 0x44207D00
• Base-36: IWI0W0

Squares and roots of 1142979840

• 1142979840 squared (1142979840²) is 1306402914646425600
• 1142979840 cubed (1142979840³) is 1493192194358105188859904000
• The square root of 1142979840 is 33807.9848556521
• The cube root of 1142979840 is 1045.5533313401

Scales and comparisons

• 1,142,979,840 seconds is equal to 36 years, 17 weeks, 5 days, 22 hours, 24 minutes.
• To count from 1 to 1,142,979,840 would take you about seventy-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 1142979840 cubic inches would be around 87.1 feet tall.

Recreational maths with 1142979840

• 1142979840 backwards is 0489792411
• 1142979840 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1142979840's digits is 45
• More coming soon!