842129136

Names of 842129136

• Cardinal: 842129136 can be written as Eight hundred forty-two million, one hundred twenty-nine thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 8.42129136 × 10⁸

Factors of 842129136

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 190

Divisors of 842129136

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 31 34 36 48 51 54 62 68 72 81 93 102 108 124 136 137 144 153 162 186 204 216 243 248 272 274 279 306 324 372 408 411 432 459 486 496 527 548 558 612 648 729 744 816 822 837 918 972 1054 1096 1116 1224 1233 1296 1377 1458 1488 1581 1644 1674 1836 1944 2108 2192 2232 2329 2448 2466 2511 2754 2916 3162 3288 3348 3672 3699 3888 4131 4216 4247 4464 4658 4743 4932 5022 5508 5832 6324 6576 6696 6987 7344 7398 7533 8262 8432 8494 9316 9486 9864 10044 11016 11097 11664 12393 12648 12741 13392 13974 14229 14796 15066 16524 16988 18632 18972 19728 20088 20961 22032 22194 22599 24786 25296 25482 27948 28458 29592 30132 33048 33291 33976 37264 37944 38223 40176 41922 42687 44388 45198 49572 50964 55896 56916 59184 60264 62883 66096 66582 67952 72199 75888 76446 83844 85374 88776 90396 99144 99873 101928 111792 113832 114669 120528 125766 128061 133164 144398 152892 167688 170748 177552 180792 188649 198288 199746 203856 216597 227664 229338 251532 256122 266328 288796 305784 335376 341496 344007 361584 377298 384183 399492 433194 458676 503064 512244 532656 565947 577592 611568 649791 682992 688014 754596 768366 798984 866388 917352 1006128 1024488 1032021 1131894 1155184 1299582 1376028 1509192 1536732 1597968 1697841 1732776 1834704 1949373 2048976 2064042 2263788 2599164 2752056 3018384 3073464 3096063 3395682 3465552 3898746 4128084 4527576 5198328 5504112 5848119 6146928 6192126 6791364 7797492 8256168 9055152 10396656 11696238 12384252 13582728 15594984 16512336 17544357 23392476 24768504 27165456 31189968 35088714 46784952 49537008 52633071 70177428 93569904 105266142 140354856 210532284 280709712 421064568 842129136
• Sum of all divisors σ(n): 2693291904
• Sum of proper divisors (its aliquot sum) s(n): 1851162768
• 842129136 is an abundant number, because the sum of its proper divisors (1851162768) is greater than itself. Its abundance is 1009033632

Bases of 842129136

• Binary: 110010001100011101111011110000₂
• Hexadecimal: 0x3231DEF0
• Base-36: DXDR00

Squares and roots of 842129136

• 842129136 squared (842129136²) is 709181481700106496
• 842129136 cubed (842129136³) is 597222388451310494584467456
• The square root of 842129136 is 29019.4613320095
• The cube root of 842129136 is 944.3353149027

Scales and comparisons

• 842,129,136 seconds is equal to 26 years, 40 weeks, 2 days, 20 hours, 45 minutes, 36 seconds.
• To count from 1 to 842,129,136 would take you about forty 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 842129136 cubic inches would be around 78.7 feet tall.

Recreational maths with 842129136

• 842129136 backwards is 631921248
• 842129136 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 842129136's digits is 36
• More coming soon!