142417920

Names of 142417920

• Cardinal: 142417920 can be written as One hundred forty-two million, four hundred seventeen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.4241792 × 10⁸

Factors of 142417920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 90

Divisors of 142417920

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 61 64 76 80 95 96 114 120 122 128 152 160 183 190 192 228 240 244 256 285 304 305 320 366 380 384 456 480 488 512 570 608 610 640 732 760 768 912 915 960 976 1024 1140 1159 1216 1220 1280 1464 1520 1536 1824 1830 1920 1952 2048 2280 2318 2432 2440 2560 2928 3040 3072 3477 3648 3660 3840 3904 4096 4560 4636 4864 4880 5120 5795 5856 6080 6144 6954 7296 7320 7680 7808 8192 9120 9272 9728 9760 10240 11590 11712 12160 12288 13908 14592 14640 15360 15616 17385 18240 18544 19456 19520 20480 23180 23424 24320 24576 27816 29184 29280 30720 31232 34770 36480 37088 38912 39040 40960 46360 46848 48640 55632 58368 58560 61440 62464 69540 72960 74176 77824 78080 92720 93696 97280 111264 116736 117120 122880 124928 139080 145920 148352 155648 156160 185440 187392 194560 222528 233472 234240 249856 278160 291840 296704 312320 370880 374784 389120 445056 466944 468480 499712 556320 583680 593408 624640 741760 749568 778240 890112 936960 1112640 1167360 1186816 1249280 1483520 1499136 1780224 1873920 2225280 2334720 2373632 2498560 2967040 3560448 3747840 4450560 4747264 5934080 7120896 7495680 8901120 9494528 11868160 14241792 17802240 23736320 28483584 35604480 47472640 71208960 142417920
• Sum of all divisors σ(n): 487558080
• Sum of proper divisors (its aliquot sum) s(n): 345140160
• 142417920 is an abundant number, because the sum of its proper divisors (345140160) is greater than itself. Its abundance is 202722240

Bases of 142417920

• Binary: 1000011111010010000000000000₂
• Hexadecimal: 0x87D2000
• Base-36: 2CSIDC

Squares and roots of 142417920

• 142417920 squared (142417920²) is 20282863937126400
• 142417920 cubed (142417920³) is 2888643293568552665088000
• The square root of 142417920 is 11933.8979382263
• The cube root of 142417920 is 522.2216583331

Scales and comparisons

• 142,417,920 seconds is equal to 4 years, 27 weeks, 3 days, 8 hours, 32 minutes.
• To count from 1 to 142,417,920 would take you about six 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 142417920 cubic inches would be around 43.5 feet tall.

Recreational maths with 142417920

• 142417920 backwards is 029714241
• 142417920 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142417920's digits is 30
• More coming soon!